Custom ROM flashing on SM-T337V and SM-T537V (Odin) - Galaxy Tab 4 Q&A, Help & Troubleshooting

I've been working on a custom ROM for the Verizon Galaxy Tab 4 (SM-T537V and the SM-T337V) but haven't had much luck flashing them to my devices.
I've been trying to flash the 8" version using ODIN after making customizations to the ROM (removing apps, etc.). This worked fine on my Verizon Galaxy Tab 2 7", but it doesn't seem to be working well on the Tab 4.
My process: unpack the system.img.ext4 and mounting it, then modifying and repacking, using simg2img and make_ext4fs, respectively. Both of these are made as 2400M size partition.
I've tried ODIN 3.0.9 and 3.0.4 and flashing the system.img.ext4 alone vs batched with the rest of the stock ROM files, but always get the error: "secure check fail: system" when the system.img.ext4 starts to flash.
Yes, these are .tar.md5.
Any ideas how I can get this to work?

Bump bump. Anyone have an idea about how to do this?

More generic question -
Does anyone know why it would be difficult to flash a custom ROM from Odin? What is locked down by Samsung to prevent this?
I was able to do this easily with the Galaxy Tab 2, so I'm trying to isolate what may have changed.

evrkusd said:
More generic question -
Does anyone know why it would be difficult to flash a custom ROM from Odin? What is locked down by Samsung to prevent this?
I was able to do this easily with the Galaxy Tab 2, so I'm trying to isolate what may have changed.
Click to expand...
Click to collapse
Most custom roms now a days are usually zip flashed roms. Probably has to do something with Samsung not flashing unsigned firmwares in which you can do so. I never use odin but only for cfautoroot. Thats my guess. Maybe it has to do with how the rom is built in order to flash it.

DUHAsianSKILLZ said:
Most custom roms now a days are usually zip flashed roms. Probably has to do something with Samsung not flashing unsigned firmwares in which you can do so. I never use odin but only for cfautoroot. Thats my guess. Maybe it has to do with how the rom is built in order to flash it.
Click to expand...
Click to collapse
Thanks for the tips! That's basically the answer I've settled on as well, after lots of testing. I'm not sure why the Tab 2 would allow unsigned ROMs to flash, while the Tab 4 seems to dislike me repackaging the /system partition and flashing it.
I'm assuming there is no way to re-sign a ROM in the same way as the stock signed firmware, so I guess I'll have to explore flashing with a zip. In order to do this, I would need either Clockworkmod or TWRP on the device, right? I don't think it is available for the Galaxy Tab 4 yet. Is it possible to flash a custom recovery on the tab 4 that is meant for another system, or does that basically always brick it?

evrkusd said:
Thanks for the tips! That's basically the answer I've settled on as well, after lots of testing. I'm not sure why the Tab 2 would allow unsigned ROMs to flash, while the Tab 4 seems to dislike me repackaging the /system partition and flashing it.
I'm assuming there is no way to re-sign a ROM in the same way as the stock signed firmware, so I guess I'll have to explore flashing with a zip. In order to do this, I would need either Clockworkmod or TWRP on the device, right? I don't think it is available for the Galaxy Tab 4 yet. Is it possible to flash a custom recovery on the tab 4 that is meant for another system, or does that basically always brick it?
Click to expand...
Click to collapse
What size is the tab 4 your talking about? Sorry I only own the tab s 10.5 and both of our devices got ported to twrp. Not sure why there isnt a custom recovery for some tab 4 devices but there are developers in the tab s thread that ported cwm to the tab s. Maybe someone can build on for the tab 4? And what version of twrp are you talking about/ tab 4 varint? It probaly would boot into recovery is what I think. Sorry as I do not own the device or know any of the model numbers :/

DUHAsianSKILLZ said:
What size is the tab 4 your talking about? Sorry I only own the tab s 10.5 and both of our devices got ported to twrp. Not sure why there isnt a custom recovery for some tab 4 devices but there are developers in the tab s thread that ported cwm to the tab s. Maybe someone can build on for the tab 4? And what version of twrp are you talking about/ tab 4 varint? It probaly would boot into recovery is what I think. Sorry as I do not own the device or know any of the model numbers :/
Click to expand...
Click to collapse
It's the Verizon Tab 4 10.1" (SM-T537V) I've been thinking about porting CWM for my Tab 4 but I don't know if it's possible or if I'm up for the challenge technically. Maybe the S is similar enough to flash onto the Tab 4.
Would all the Tab 4 variants have the same recovery? Or would they likely be different?

evrkusd said:
It's the Verizon Tab 4 10.1" (SM-T537V) I've been thinking about porting CWM for my Tab 4 but I don't know if it's possible or if I'm up for the challenge technically. Maybe the S is similar enough to flash onto the Tab 4.
Would all the Tab 4 variants have the same recovery? Or would they likely be different?
Click to expand...
Click to collapse
I believe the recoverys should be the same as they are the same size and almost identical devices. If the recovery was built on the wifi tab 4 10.1 it most likely will work. Idk if it will though. People that on the tab s forums that recoverys for our wifi tab s work on the lte also. Idk. I think as long as they have the same chipset (exynos etc) and size it should he good. I cannot confirm this though and ill have a look at the tab s forums to see if it really does. Idk if it will.

DUHAsianSKILLZ said:
I believe the recoverys should be the same as they are the same size and almost identical devices. If the recovery was built on the wifi tab 4 10.1 it most likely will work. Idk if it will though. People that on the tab s forums that recoverys for our wifi tab s work on the lte also. Idk. I think as long as they have the same chipset (exynos etc) and size it should he good. I cannot confirm this though and ill have a look at the tab s forums to see if it really does. Idk if it will.
Click to expand...
Click to collapse
Ok, good to know. I couldn't find any places where people were referencing using the wifi Tab S recoveries on the LTE / Verizon versions, but I'm probably just missing it. Any idea why the Tab S bootloader is unlocked / able to have a custom recovery installed? It seems like a lot of newer samsung devices don't have this ability. Was it through some workaround like a Loki equivalent? Thanks again for all the great info!

evrkusd said:
Ok, good to know. I couldn't find any places where people were referencing using the wifi Tab S recoveries on the LTE / Verizon versions, but I'm probably just missing it. Any idea why the Tab S bootloader is unlocked / able to have a custom recovery installed? It seems like a lot of newer samsung devices don't have this ability. Was it through some workaround like a Loki equivalent? Thanks again for all the great info!
Click to expand...
Click to collapse
Only wifi and lte models such as sprint perhaps verizon and unlocked lte devices have unlocked bootloaders. I think we had custom recoveries because either from the firmware release or someone got their recovery. Img pulled for beanstown to port. We had root on both 8.4 and 10.5 inch the following week after launched and custom recoveries by ds troy (recovery builder for twrp) few weeks later. I dont know whats up with your guyes tab 4s not getting recoveries. Are your tab 4 chips exynos? Because the tab s have exynos chips. We have developers working on kernels and roms even though they dont own the tablet. Must be how much sources are availbe? Idk if verizon bootloaders are unlocked but sprint and wifi ones are.

DUHAsianSKILLZ said:
Only wifi and lte models such as sprint perhaps verizon and unlocked lte devices have unlocked bootloaders. I think we had custom recoveries because either from the firmware release or someone got their recovery. Img pulled for beanstown to port. We had root on both 8.4 and 10.5 inch the following week after launched and custom recoveries by ds troy (recovery builder for twrp) few weeks later. I dont know whats up with your guyes tab 4s not getting recoveries. Are your tab 4 chips exynos? Because the tab s have exynos chips. We have developers working on kernels and roms even though they dont own the tablet. Must be how much sources are availbe? Idk if verizon bootloaders are unlocked but sprint and wifi ones are.
Click to expand...
Click to collapse
So if I end up not being able to flash a custom ROM on this, is it possible I can just build a script to change everything on my ROM's system files using my root permissions? Not sure where to get started with this, since I've been so focused on the ROM until now. Maybe some sort of batch file run through adb?

evrkusd said:
So if I end up not being able to flash a custom ROM on this, is it possible I can just build a script to change everything on my ROM's system files using my root permissions? Not sure where to get started with this, since I've been so focused on the ROM until now. Maybe some sort of batch file run through adb?
Click to expand...
Click to collapse
Not sure.?! Sorry! But good luck with the ROM! I never built one either.

DUHAsianSKILLZ said:
Not sure.?! Sorry! But good luck with the ROM! I never built one either.
Click to expand...
Click to collapse
you can do it via ADB, just make sure to issue the "stop" command first. you can batch all this with the help of "su -c" which runs a su command without interactive shell

sins07 said:
you can do it via ADB, just make sure to issue the "stop" command first. you can batch all this with the help of "su -c" which runs a su command without interactive shell
Click to expand...
Click to collapse
Yeah, thanks! That's what I've been working on recently. Mostly just stripping out bloatware and changing a few things. I'll post the full command here once I'm further along.
I'd like to be able to change the SystemUI.apk but haven't been able to successfully deodex it yet (the deodexed version loses the notification panel!)

make sure you use apktool 1.5.2 and see what the results are
then try apktool 2.0.0 RC3 if no luck

evrkusd said:
Yeah, thanks! That's what I've been working on recently. Mostly just stripping out bloatware and changing a few things. I'll post the full command here once I'm further along.
I'd like to be able to change the SystemUI.apk but haven't been able to successfully deodex it yet (the deodexed version loses the notification panel!)
Click to expand...
Click to collapse
Also, try deodexing with QuickDeodex, it tends to create good results for me. experiment with different Smali, baksmali in the tool's resources folder. sometimes you need smali/baksmali 2.0.3 and sometimes you don't. it's a crapshoot.

sins07 said:
Also, try deodexing with QuickDeodex, it tends to create good results for me. experiment with different Smali, baksmali in the tool's resources folder. sometimes you need smali/baksmali 2.0.3 and sometimes you don't. it's a crapshoot.
Click to expand...
Click to collapse
This worked really well, thank you for the tip!

Did you ever solve the custom ROM challenge - or did someone else solve it elsewhere, please?
I can get one for $95. used but I only want it if it can be changed to a custom ROM with Google, MS, etc. bloat, spyware, etc. purged.
Thanks!

How can I get the file download

Related

Custom ROM and kernel with overclocking support required.

I have a samsung galaxy trend s7392. Since it lags when playing high end games or using heavy apps, I'd like to overclock it. I have already rooted it. It has JB 4.1.2 as stock firmware with samsung touchwiz 4.0. Since it's not a popular model, the developers might not have developed anything yet for it. But since this phone's look, feel, features and stock firmware are a lot similar to more popular models like grand quattro i8552, i9082, etc some of you could know what roms and kernels would work good with it. Please help. I've googled my hands off. Thank you so much.
todopertin said:
I have a samsung galaxy trend s7392. Since it lags when playing high end games or using heavy apps, I'd like to overclock it. I have already rooted it. It has JB 4.1.2 as stock firmware with samsung touchwiz 4.0. Since it's not a popular model, the developers might not have developed anything yet for it. But since this phone's look, feel, features and stock firmware are a lot similar to more popular models like grand quattro i8552, i9082, etc some of you could know what roms and kernels would work good with it. Please help. I've googled my hands off. Thank you so much.
Click to expand...
Click to collapse
You might have better luck by going into the i8552 forum and ask a developer there if he knows if it is compatible. They would know the best.
todopertin said:
I have a samsung galaxy trend s7392. Since it lags when playing high end games or using heavy apps, I'd like to overclock it. I have already rooted it. It has JB 4.1.2 as stock firmware with samsung touchwiz 4.0. Since it's not a popular model, the developers might not have developed anything yet for it. But since this phone's look, feel, features and stock firmware are a lot similar to more popular models like grand quattro i8552, i9082, etc some of you could know what roms and kernels would work good with it. Please help. I've googled my hands off. Thank you so much.
Click to expand...
Click to collapse
Hi, I also own a Galaxy Trend S7392 and looking for a custom rom. But I couldn't find one. To start developing a new rom, I tried building from AOSP sources. The build was successful, but while flashing it on phone, ODIN reports FAIL as soon as it starts writing system.img. I am unable to figure that out why is it so.
I am looking for some concrete steps so as to compile a ROM for our phone and flash it from AOSP sources specifically. If you have any idea about that, please help.
trivalent said:
Hi, I also own a Galaxy Trend S7392 and looking for a custom rom. But I couldn't find one. To start developing a new rom, I tried building from AOSP sources. The build was successful, but while flashing it on phone, ODIN reports FAIL as soon as it starts writing system.img. I am unable to figure that out why is it so.
I am looking for some concrete steps so as to compile a ROM for our phone and flash it from AOSP sources specifically. If you have any idea about that, please help.
Click to expand...
Click to collapse
After successfully building a rom you need to flash the rom from inside of recovery. I'm not sure of the specifics of your rom for flashing. You will need to go to your rom thread for that and read the guids on how to flash it correctly. You will also need a gapps package. goo.im has this. If you built for 4.3 aosp they have the gapps there. If you built for 4.4 you can try these gapps. http://forum.xda-developers.com/showthread.php?t=2397942
atrus5 said:
After successfully building a rom you need to flash the rom from inside of recovery. I'm not sure of the specifics of your rom for flashing. You will need to go to your rom thread for that and read the guids on how to flash it correctly. You will also need a gapps package. goo.im has this. If you built for 4.3 aosp they have the gapps there. If you built for 4.4 you can try these gapps. http://forum.xda-developers.com/showthread.php?t=2397942
Click to expand...
Click to collapse
Thanks for the reply atrus5.
My phone is currently using STOCK ROM for my Galaxy Trend. There is no thread dedicated for Galaxy Trend Duos S7392 so there is a little information available at the moment.
I am stuck on flashing the AOSP generated system.img to my phone. GAPPS will come a lot later .
trivalent said:
Thanks for the reply atrus5.
My phone is currently using STOCK ROM for my Galaxy Trend. There is no thread dedicated for Galaxy Trend Duos S7392 so there is a little information available at the moment.
I am stuck on flashing the AOSP generated system.img to my phone. GAPPS will come a lot later .
Click to expand...
Click to collapse
You have to flash the whole zip that gets built not just the system.img
atrus5 said:
You have to flash the whole zip that gets built not just the system.img
Click to expand...
Click to collapse
OK, but I don't know how to generate the whole ZIP. Moreover,
ODIN requires .tar.md5 package to flash it. This is what I did :
1. Extract STOCK tar.md5 package
2. Replaced system.img with the one I compiled.
3. Repacked tar.md5 package.
4. Used ODIN to flash the tar.md5 package.
5. ODIN reported failed as soon as it started flashing system.img
Further help will be highly appreciated.
trivalent said:
OK, but I don't know how to generate the whole ZIP. Moreover,
ODIN requires .tar.md5 package to flash it. This is what I did :
1. Extract STOCK tar.md5 package
2. Replaced system.img with the one I compiled.
3. Repacked tar.md5 package.
4. Used ODIN to flash the tar.md5 package.
5. ODIN reported failed as soon as it started flashing system.img
Further help will be highly appreciated.
Click to expand...
Click to collapse
You will need to flash the rom from recovery.
First you will need to be rooted. If you don't have that you can find it here at this link. http://forum.xda-developers.com/showthread.php?t=2494471
You will need to have a cwm recovery. Here is the link to that. http://forum.xda-developers.com/showthread.php?t=2552935
Inside of cwm recovery you will need to factory reset/erase data, erase cache and dalvik.
Then flash the rom and gapps packages.
i don't know if your device is locked or not since I do not own this device. This is the best that I could find. I don't know if it works. This advice is for the i8552. Your best bet is to look through these threads to find what you are looking for. http://forum.xda-developers.com/grand-quattro
atrus5 said:
You will need to flash the rom from recovery.
First you will need to be rooted. If you don't have that you can find it here at this link. http://forum.xda-developers.com/showthread.php?t=2494471
You will need to have a cwm recovery. Here is the link to that. http://forum.xda-developers.com/showthread.php?t=2552935
Inside of cwm recovery you will need to factory reset/erase data, erase cache and dalvik.
Then flash the rom and gapps packages.
i don't know if your device is locked or not since I do not own this device. This is the best that I could find. I don't know if it works. This advice is for the i8552. Your best bet is to look through these threads to find what you are looking for. http://forum.xda-developers.com/grand-quattro
Click to expand...
Click to collapse
Lots of links to study.... Thanks
1) The phone is rooted. NO issues with that.
2) CWM recovery is not available for my phone. I tried the CWM recovery builder to build image, but the build failed. I tried to build the same manually, but on flashing, I get E:Failed to Verify Signature.
NO way ahead...
trivalent said:
Lots of links to study.... Thanks
1) The phone is rooted. NO issues with that.
2) CWM recovery is not available for my phone. I tried the CWM recovery builder to build image, but the build failed. I tried to build the same manually, but on flashing, I get E:Failed to Verify Signature.
NO way ahead...
Click to expand...
Click to collapse
Talk to the main developers on the links that I gave you and see what they say. I can't really help you since I don't have the device. You will get more help from them then here. They will be able to steer you in the right way. sorry
atrus5 said:
Talk to the main developers on the links that I gave you and see what they say. I can't really help you since I don't have the device. You will get more help from them then here. They will be able to steer you in the right way. sorry
Click to expand...
Click to collapse
No need to be sorry... You have done your best. I have posted few queries, waiting for the response.
Thanks a lot for your efforts and guidance.
Topic dead?
Guys, I'm also using Galaxy Trend Duos S7392. Need a custom firmware because of the excessive bloatware on the stock ROM.
todopertin said:
I have a samsung galaxy trend s7392. Since it lags when playing high end games or using heavy apps, I'd like to overclock it. I have already rooted it. It has JB 4.1.2 as stock firmware with samsung touchwiz 4.0. Since it's not a popular model, the developers might not have developed anything yet for it. But since this phone's look, feel, features and stock firmware are a lot similar to more popular models like grand quattro i8552, i9082, etc some of you could know what roms and kernels would work good with it. Please help. I've googled my hands off. Thank you so much.
Click to expand...
Click to collapse
Can you tell me how to root it??
Even I want the rooting guide. Hope you successfully make a rooting guide with some good ROM later on. We wil support you,
Akhileshvv said:
Guys, I'm also using Galaxy Trend Duos S7392. Need a custom firmware because of the excessive bloatware on the stock ROM.
Click to expand...
Click to collapse
you can remove those bloatwares by just rooting and using root app delete to locate and delete. it will not only free rom but will also make your phone faster since the bloatwares that used to run in the background consuming cpu, battery and ram will have been removed.
Samsung galaxy trend s7392 folks use kingoapp from kingoapp.com to root your phone. it will surely root it. I've upgraded to galaxy i8552 quattro and the two phones are just a copycat of each other. so there are chances a custom rom intended for quattro(more popular of the two) could work on trend.
Sent from my Q500 using XDA Premium 4 mobile app
Already rooted on the first day itself
todopertin said:
you can remove those bloatwares by just rooting and using root app delete to locate and delete. it will not only free rom but will also make your phone faster since the bloatwares that used to run in the background consuming cpu, battery and ram will have been removed.
Click to expand...
Click to collapse
It's already rooted bro. I have done it on the very first day I bought the device. Still, not all bloatware can be removed by just rooting. So, I think there is a need of optimised ROM like CyanogenMod or any other.
Akhileshvv said:
It's already rooted bro. I have done it on the very first day I bought the device. Still, not all bloatware can be removed by just rooting. So, I think there is a need of optimised ROM like CyanogenMod or any other.
Click to expand...
Click to collapse
Hey first of all, after rooting you will gain super user access and ofcourse after that you will be able to remove any system app(bloatware).
pls help i also have the same device
I have gt7392 pls help me to put any custom rom available if u get any solution pls share with me.
Thanks in advance
I am also an unhappy user of s7392. It is indeed a laggy phone and to be honest, root (vroot)+ removing any unused application, including play store, hangout and google+ didn't help it too much. Phone is still hanging, lagging and sometimes not showing who is calling or, worst, not ringing at all.
An optimised ROM it will be really grate.
BR

Need Help Flashing Rom

I need a little help with this.
I'm looking to flash the X-Note rom, but it's a bit confusing.
First of, is this the right file to use: http://forum.xda-developers.com/showthread.php?t=2472301
I've been reading up on this, but it is entitle different flashing these ROMs than worth the S3 I'm use to. Would there happen to be a video tutorial for it anyplace?
Kamau54 said:
I need a little help with this.
I'm looking to flash the X-Note rom, but it's a bit confusing.
First of, is this the right file to use: http://forum.xda-developers.com/showthread.php?t=2472301
I've been reading up on this, but it is entitle different flashing these ROMs than worth the S3 I'm use to. Would there happen to be a video tutorial for it anyplace?
Click to expand...
Click to collapse
http://www.youtube.com/watch?v=oCFrKkjusD4
a bit old but this is fine
jaythenut said:
http://www.youtube.com/watch?v=oCFrKkjusD4
a bit old but this is fine
Click to expand...
Click to collapse
Ok, my next question do you use CWR as he does in the video? I always thought the recovery of choice was Safestrap for this phone.
You nee to supply some info...
What version of Note 3 you have, N900 or N9005?
What version of Android you running, JB or KK?
What recovery are you using, stock, TWRP or CWM?
Once you supply these things you might get a bit more help...
And if yo don't understand these questions you need to do some SERIOUS reading before you brick your device...
ultramag69 said:
You nee to supply some info...
What version of Note 3 you have, N900 or N9005?
What version of Android you running, JB or KK?
What recovery are you using, stock, TWRP or CWM?
Once you supply these things you might get a bit more help...
And if yo don't understand these questions you need to do some SERIOUS reading before you brick your device...
Click to expand...
Click to collapse
I've been reading and watching videos for the past 3 weeks now. But coming from the S3 method of flashing has been nothing less than different.
The problems I am encountering is from different methods to flash different roms on the same phone. I see some that can be flashed using SS, but others need a pc. It is also confusing that the video of the rom I wish to flash is using one recovery, but reading about it, another recovery is preferred. There are also inconsistencies between videos and written instructions, mainly because of the age of some of them.
In any case, I am on stock JB with my AT&T N900A. I have SS recovery.
Sent from my Xoom using a Starfleet secured channel
Kamau54 said:
I've been reading and watching videos for the past 3 weeks now. But coming from the S3 method of flashing has been nothing less than different.
The problems I am encountering is from different methods to flash different roms on the same phone. I see some that can be flashed using SS, but others need a pc. It is also confusing that the video of the rom I wish to flash is using one recovery, but reading about it, another recovery is preferred. There are also inconsistencies between videos and written instructions, mainly because of the age of some of them.
In any case, I am on stock JB with my AT&T N900A. I have SS recovery.
Sent from my Xoom using a Starfleet secured channel
Click to expand...
Click to collapse
As you have the AT&T Note 3, I'd go to that forum - http://forum.xda-developers.com/note-3-att
Using advice for a different device might not brick your phone but then again it costs a large amount to replace if you're wrong... You should find answers there...
I don't want to be responsible for potentially bricking your phone by giving advice meant for another device...
Cheers mate...
Generally though, to flash a custom rom your put the rom onto your external sd card, go to recovery and "flasah zip". Find the rom file and sit back for a few minutes and wait. The only real difference is the gui of the recovery...
Also, as a precaution, make a backup of your rom....
Kitkat needs KK bootloaders installed which is why you generally upgrade with ODIN to KK 1st, at least thats what you do with the International N9005....

Who wants root/custom recovery/custom roms for the core prime?

So far ive gained root, and made the first custom rom for the galaxy core prime, ill be compiling a custom recovery for this device when i get my linux PC buil environment set up again.
for ANYONE who wants to root use kingroot(not kingoroot)
exactly like superSU but seeing as CF autoroot/framaroot/towleroot dont support this device it will have to do until i release a root method for this device with superSU.
So here goes
ROOT - kingroot(not kingoroot)
RECOVERY - coming soon
CUSTOM ROM - revolutionary core prime(coming soon)
Thank you!!!
Have a core prime and always wanted to check out the Custom ROMs that came out. It's a SD410 so it shouldn't be as hard as if it were an Exynos (I know it is not easy anyways, but at least the Snapdragon makes it a bit easier).
Will read this thread and see what you make!
Thanks and good luck
Me
I would be glad to use custom recovery too ! Thanks
Ricky Divjakovski said:
So far ive gained root, and made the first custom rom for the galaxy core prime, ill be compiling a custom recovery for this device when i get my linux PC buil environment set up again.
for ANYONE who wants to root use kingroot(not kingoroot)
exactly like superSU but seeing as CF autoroot/framaroot/towleroot dont support this device it will have to do until i release a root method for this device with superSU.
So here goes
ROOT - kingroot(not kingoroot)
RECOVERY - coming soon
CUSTOM ROM - revolutionary core prime(coming soon)
Click to expand...
Click to collapse
hi for what model of core prime?
I would like a custom rom for the Prime Core also
I have been searching for a recovery and rom. I rooted a while ago with kingroot and now I have trouble with recognizing the charger input. (Same charging issue with nextbook nx7 on diff charger). rebooting usually remedies this. I fear kingroot corrupted my kernel. I would love to replace it with a prerooted kernel.
Btw I'm using the s820c variant galaxy core prime from straight talk. It has the Snapdragon 410 as well.
Sm-g361h??
Does it work for the sm-g361h model??
Minnella_essayons said:
I have been searching for a recovery and rom. I rooted a while ago with kingroot and now I have trouble with recognizing the charger input. (Same charging issue with nextbook nx7 on diff charger). rebooting usually remedies this. I fear kingroot corrupted my kernel. I would love to replace it with a prerooted kernel.
Btw I'm using the s820c variant galaxy core prime from straight talk. It has the Snapdragon 410 as well.
Click to expand...
Click to collapse
theres no pre-rooted kernel, i can release an insecure ADBD one if you like that will have to be applied by dd method but that defeats the purpose
ETheHedgehog said:
Does it work for the sm-g361h model??
Click to expand...
Click to collapse
yes the root works for all, once i get a working recovery ill make a few recovveries for other variants if i even need to then we will have the wiespread oftions of roms, only thing i lack ATM is a working 64bit linux PC
Thanks for the quick reply Ricky. still looking forward to your finished recovery as well as the rom. Is it cm based, aosp based? This is big news! there is very little support for this phone. good luck in your work.
appreciate your brave work son, for what variation of the phone you gonna make it?
Minnella_essayons said:
Thanks for the quick reply Ricky. still looking forward to your finished recovery as well as the rom. Is it cm based, aosp based? This is big news! there is very little support for this phone. good luck in your work.
Click to expand...
Click to collapse
im not a big fan of CM based roms, id rather build a rom from software built for that device and only for it then build from a source that is universal with reduced capabillities
Let me know if I can help. I got root with odin 3.10 but as we are all aware, there aren't many (if any) recoveries and custom roms.
Sent from my SM-G360T1 using XDA Free mobile app
Twrp works to boot into recovery, though I have no idea whether or not flashing a custom rom will brick it. If you want to send me the one you made I can try mounting and see what happens.
Sent from my SM-G360T1 using XDA Free mobile app
Hey....can you please mirror kingroot for me, as opening it with the link you gave is not working (it shows a blank page and written on the top "you don't have permission ti view this")
Can u view this site? http://androidxda.com/download-kingroot-application
Sent from my SM-G360T1
ETheHedgehog said:
Does it work for the sm-g361h model??
Click to expand...
Click to collapse
any 1 confirm work on G361h? or working cwm on this model?
Is that method works on G361H? (with SC8830 processor)
1nv4d3rr said:
Twrp works to boot into recovery, though I have no idea whether or not flashing a custom rom will brick it. If you want to send me the one you made I can try mounting and see what happens.
Sent from my SM-G360T1 using XDA Free mobile app
Click to expand...
Click to collapse
hey mate woul you be able to link me to the recovery you are using? and what device is it built for? the way we can check this is make a full backup in recovery then extract the backup andd see if it has backed up the right partitions, if it has we need to check if its the right format, im sure i read a while ago TWRP backs up with tar and just mounts all partitions and wipes the needed partitions recursively, if that is true we wont have to worry about the format but we will do our research an get this successfully up an running
I didnt actually get twrp installed just the app though I'm js u can still boot into recovery with it. Sorry for the mis lead. I am working on the kernel that shiny side posted up. I'll let u know when I get w it
Sent from my SM-G360T1

ROM Support for the SM-T337T?

I have come across some very cheap Galaxy Tab 4's on eBay that I was wanting to try out. I'm a T-Mobile customer so I'm interested in the SM-T337T (band 12 support woo hoo!)
I see that there are recoveries for the tablet so it looks like I'm not the first to wonder.
Basically, my question is: which Lollipop/Marshmallow ROMs are currently supported and stable on the SM-T337T? And have we been able to reliably root/install recovery on them?
Thanks,
-coach
Bump
Another bump
Coachmark2 said:
I see that there are recoveries for the tablet so it looks like I'm not the first to wonder.
Basically, my question is: which Lollipop/Marshmallow ROMs are currently supported and stable on the SM-T337T? And have we been able to reliably root/install recovery on them?
Click to expand...
Click to collapse
Unfortunately there are no custom ROMs for the SM-T337T. There has been an official lollipop update, and since there are working recoveries, you should be able to use chainfire's systemless superSU root method (you most likely need the systemless root because the lollipop update is 5.1.1). The fact remains though that nobody has made a custom ROM for this tablet. Sorry
thisisapoorusernamechoice said:
Unfortunately there are no custom ROMs for the SM-T337T. There has been an official lollipop update, and since there are working recoveries, you should be able to use chainfire's systemless superSU root method (you most likely need the systemless root because the lollipop update is 5.1.1). The fact remains though that nobody has made a custom ROM for this tablet. Sorry
Click to expand...
Click to collapse
Thanks for the reply. What can I do to help the situation? What would be required on my end to port a different ROM to it? Either from a "stock" Cyanogenmod or from an existing Galaxy Tab 4 ROM?
Coachmark2 said:
Thanks for the reply. What can I do to help the situation? What would be required on my end to port a different ROM to it? Either from a "stock" Cyanogenmod or from an existing Galaxy Tab 4 ROM?
Click to expand...
Click to collapse
For cyanogenmod you'd need a computer running linux, whether in a virtual machine or dual booting windows and linux (I have that setup on my Windows laptop, Ubuntu works fine), you'd need to set up your build environment, sync the necessary repos from Cyanogenmod's github, you may or may not (but probably will) have to create a device tree, but I imagine you can probably use moonbutt74's github repos to get you started on that, and once all that preliminary work is done you'll have to figure out what proprietary files are needed from the Tab itself. And of course it would be a good idea to download and inspect Samsung's source code for your device. If you have no idea what I'm talking about, this would be a good place to start reading: https://wiki.cyanogenmod.org/w/Development#Learning_To_Build_CM
Thank you for the very thorough response. I just don't wanna be "that guy" who gets on here and says "Waaahhhh the devs aren't supporting my device!" I'd rather help
When I get home in a few days, I'll fire up the build environ and see what I can do with her. Here's hoping no bricking!
SM-T337T
Coachmark2 said:
Thank you for the very thorough response. I just don't wanna be "that guy" who gets on here and says "Waaahhhh the devs aren't supporting my device!" I'd rather help
When I get home in a few days, I'll fire up the build environ and see what I can do with her. Here's hoping no bricking!
Click to expand...
Click to collapse
I have that device on 5.1.1 and rooted it here(in case you haven't found this yet);
//autoroot.chainfire.eu/
Root available for both 4.4.4 & 5.1.1.
I would personally love to see marshmallow on this device! Currently settling for some Touch-Wiz debloating for now.
Does anyone have updates on this? I recently got an SM-T337T and would like to de-bloat it -- first on the chopping block would be TouchWiz. If there's a ROM that takes care of this, that would be nice, but I might be able to do it on my own?
Also, I'd really like 6.0.1, instead of 5.1.1 that's currently on it.
SnowWolf75 said:
Does anyone have updates on this? I recently got an SM-T337T and would like to de-bloat it -- first on the chopping block would be TouchWiz. If there's a ROM that takes care of this, that would be nice, but I might be able to do it on my own?
Also, I'd really like 6.0.1, instead of 5.1.1 that's currently on it.
Click to expand...
Click to collapse
Just picked one of these up for Mom and have rooted and flashed TWRP, but was wondering if anyone knows of a ROM or at least debloating scripts...?
Thanks!
Hey Coach,
I know this thread is quite dated but just hoping you might have succeeded in either creating or finding a custom ROM for this device? I'm still using mine but finding more and more apps no longer supported on 5.1.1.
Thanks!

EFIDroid for the Samsung Galaxy Note 4/Note Edge (Snapdragon Variants)

More details in the Verizon Note 4 forum here.
XDA:DevDB Information
EFIDroid, Kernel for the T-Mobile Samsung Galaxy Note 4
Contributors
abraha2d, m11kkaa
Source Code: https://github.com/efidroid
Kernel Special Features: UEFI, MultiBoot
Version Information
Status: Beta
Current Beta Version: 0.1
Beta Release Date: 2017-03-18
Created 2017-03-20
Last Updated 2017-03-31
THIS IS INCREDIBLE!! Greatest thing since sliced bread where is the donation link this an amazing piece of development 2nd lvl bootloader f yaaaa!!
vegoja said:
THIS IS INCREDIBLE!! Greatest thing since sliced bread where is the donation link this an amazing piece of development 2nd lvl bootloader f yaaaa!!
Click to expand...
Click to collapse
Believe me, I didn't do much work. You can donate to @m11kkaa, though. He's the developer of EFIDroid (if you didn't already know that...). I believe he has a donation link in his profile...
Sent from my Samsung Galaxy Note 4 using XDA Labs
This is great but is there a way to uninstall it (if necessary) and get back to the primary ROM (stock or Lineage OS) without losing data?
tried to do a bit of light research and couldn't find what's different between this and other preexisting multiboot solutions. I've been using Dual Boot Patcher for sometime without issues. Is this somehow better? and if so, how?
Mtotallywired said:
tried to do a bit of light research and couldn't find what's different between this and other preexisting multiboot solutions. I've been using Dual Boot Patcher for sometime without issues. Is this somehow better? and if so, how?
Click to expand...
Click to collapse
EFIDroid is what you would call a "second-stage bootloader". The main advantage over Dual Boot Patcher (at least for me) is that you no longer have to patch zip files before installing. Also, EFIDroid is more than just a multi-boot solution. Quoting @m11kkaa:
efidroid tries to focus on simplicity, and doesn't require any kernel modifications etc.
in general: well having such a powerful bootloader in your boot stage gives you lots of possibilities, like multiboot, replacements/additions for kernels/ramdisk/cmdline.
This project has a lot more potential than what's currently implemented. i.e. you can give samsung devices fastboot and sony devices a standalone recovery. Also you can natively boot GNU GRUB if you're into booting linux kernel's the desktop way.
Click to expand...
Click to collapse
The two solutions are similar enough that you can migrate your setup from Dual Boot Patcher to EFIDroid without losing any data. I'll try to post a guide later this week.
I was I under the impression dual boot required multiple ROMs running the same kernel... If that is the case a huge advantage efi has is each ROM having their own boot img. I'm currently running 3 ROMs a lollipop a marshmallow and of course a nougat. I really just wanted to see all 3 latest android os running flawlessly on 1 device. And I did just that hats off to the developer for this.
baharvey7817 said:
This is great but is there a way to uninstall it (if necessary) and get back to the primary ROM (stock or Lineage OS) without losing data?
Click to expand...
Click to collapse
There's an uninstall button in the app. Or, you could just flash the original boot.img via TWRP (basically what the uninstall button does).
I'm a noob...What is this? Where do I need to go to learn about why I would want this...Please explain lol
mlock420 said:
I'm a noob...What is this? Where do I need to go to learn about why I would want this...Please explain lol
Click to expand...
Click to collapse
you can look at their website, and then decide if you want this level of control over your phone.
http://efidroid.org/
Thanks for bringing us this tool. One thing I can't figure out...how do we Odin a different bootloader? I have DOK2 loaded now, and want to put Dr. Ketan's on the phone. The sub instructions say to Odin the BL and CP, as the ROM is generally generic. There us also a datafix and an essential fix that needs to be applied. Doing all of that is easy, but how do I keep two separate bootloaders (LP and MM) totally separate? If I flash a LP over a MM, my camera breaks, and if I flash a MM over LP, WiFi breaks. And I'm not talking about dirty flashes, a full system, data, and cache wipe 3x. Only Odin back to the base ROM keeps my phone happy.
1freedude said:
Thanks for bringing us this tool. One thing I can't figure out...how do we Odin a different bootloader? I have DOK2 loaded now, and want to put Dr. Ketan's on the phone. The sub instructions say to Odin the BL and CP, as the ROM is generally generic. There us also a datafix and an essential fix that needs to be applied. Doing all of that is easy, but how do I keep two separate bootloaders (LP and MM) totally separate? If I flash a LP over a MM, my camera breaks, and if I flash a MM over LP, WiFi breaks. And I'm not talking about dirty flashes, a full system, data, and cache wipe 3x. Only Odin back to the base ROM keeps my phone happy.
Click to expand...
Click to collapse
There's no way to have two different bootloaders. EFIDroid comes between the bootloader and the boot.img, so it has no control over the bootloader.
EDIT: EFIDroid may be able to emulate the behavior of another bootloader... you would have to ask @m11kkaa for details...
Where can I download this for T-mobile ??
Sent from my SM-N9300 using Tapatalk
CousinMikeyP said:
Where can I download this for T-mobile ??
Sent from my SM-N9300 using Tapatalk
Click to expand...
Click to collapse
Here is the LINK. You can see more info HERE
I downloaded and started up the EFIdroid unofficial apk but got the following message:
=====================================
Error
Can't load device info. Please check your connection.
/data/user/0/org.efidroid.efidroidmanager.debug/files/devices.json (No such file or directory)
override ota server try again
===============================================
Could you please explain what's going on? Seems that this version is different from the one i downloaded in March. Could it be that it's not getting root access? What can I do to get around this error?
baharvey7817 said:
I downloaded and started up the EFIdroid unofficial apk but got the following message:
=====================================
Error
Can't load device info. Please check your connection.
/data/user/0/org.efidroid.efidroidmanager.debug/files/devices.json (No such file or directory)
override ota server try again
===============================================
Could you please explain what's going on? Seems that this version is different from the one i downloaded in March. Could it be that it's not getting root access? What can I do to get around this error?
Click to expand...
Click to collapse
I will have to look into it... The EFIDroid app error messages are not exactly the most helpful kind. (Good thing the app is being phased out soon). That particular error message could mean many things, but most likely it's a connection issue. We will continue this in Slack.
Will this work on tw 7.0 if i was porting a rom. Also why wont aosp kernel work on tw.. i always thought tw was aosp with skin..
Go to back to the link posted above where you got the unofficial apk and go to post #83. The OP posted an apk there that works fine on our phone.
baharvey7817 said:
I downloaded and started up the EFIdroid unofficial apk but got the following message:
=====================================
Error
Can't load device info. Please check your connection.
/data/user/0/org.efidroid.efidroidmanager.debug/files/devices.json (No such file or directory)
override ota server try again
===============================================
Could you please explain what's going on? Seems that this version is different from the one i downloaded in March. Could it be that it's not getting root access? What can I do to get around this error?
Click to expand...
Click to collapse
RaySCLA said:
Go to back to the link posted above where you got the unofficial apk and go to post #83. The OP posted an apk there that works fine on our phone.
Click to expand...
Click to collapse
Tried what you suggested but it didn't work either. So, I chose the 'nuclear option': I wiped the phone completely then reinstalled the stock Marshmallow ROM. using Odin. After that i installed TWRP v3.0.2 (trltetmo) and Supersu v2.79 as well as Busybox v1.26. Only then was I able to install EFIDroid successfully. Now, I'm able to boot the stock rom as well as Resurrection Remix.
It seems that if your going to install EFIDroid you must have the phone rooted using SuperSU. Using Magisk to root your phone instead of SuperSu won't work (at least it didn't work in my case).
lowkeyst4tus said:
Will this work on tw 7.0 if i was porting a rom. Also why wont aosp kernel work on tw.. i always thought tw was aosp with skin..
Click to expand...
Click to collapse
This should work anywhere, regardless of ROM... But btw, it's a stretch to say TW is just a skin on top of AOSP. In fact, TW is probably the farthest you can get from AOSP... There's a lot of significant differences that make AOSP kernels incompatible with TW ROMs...

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