[Q] Custom Rom Help - AT&T Samsung Galaxy S 4 Q&A, Help & Troubleshootin

Hello all, long time lurker here with a couple if questions. Not new to rooting: I've rooted an HTC Inspire, HTC One X, and finally this bad boy. This is definitely a different experience and there seems to be a lot of info that developers assume you know but even after reading everything recommended I still feel very confused. I am on the MDL baseband, rooted and flashed with the 4.3 GPE version which I think was pulled from a nexus variant. Here are my questions:
1) Are there any stock, rooted, Touch Wiz ROMs with the AT and T bloat removed?
2) What does Loki do, and if not explicitly stated that it's used in a ROM, do I install it before flashing the ROM or after?
Sent from my SGH-1337 using xda app-developers app

There's plenty, and you can flash ROMs from any S4 variant though you might need to flash an at&t kernel. Loki is our method to bypass the locked bootloader, and if you flash a ROM without it then it won't boot.
Sent from my SGH-I337 running Blackbox 3.0

Thanks for the reply! I can't seem to find any ROMs in the Android Development forum that are described as such.
Sent from my SPH-L720 using xda app-developers app

1.) Check out Shostock. It's built from stock source and works very well. It is pretty close to what you are looking for.
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I like iB's GoldenEye rom. Has zip to delete bloat. You can open zip and delete lines you don't want deleted. IE I delete S-Memo from script so it doesn't delete it from rom. Perfect rom for me, good battery life also. Very smooth.

Related

Running rooted MF3, want to flash 4.3 GE

I have done a lot of reading about a lot of roms here at xda... I've flashed several roms on my s4 so far in the few months ive owned it.
Currently running scroslers mf3 from 7/15, rooted, with ktoonsez kernel, mdl baseband.
Trying to be sure I dont brick my phone, cuz I like it.
If I want to flash one of the 4.3GE roms in this forum, do I need to flash back to mdl rom before flashing 4.3? For example, kangabean 4.3 rom says to flash from mdl rom with mdl baseband... if not mdl, odin back to mdl, then flash 4.3GE. But other 4.3 roms don't say this.... since I read and re read kangabean about 10 times, im wondering why they say to start from mdl and other roms dont seem to say that?
Any wisdom you have on this would be appreciated...
For the record, running twrp 2.6 and I have loki-doki available and ready to flash as needed.
Thanks for your help.
Sent from my SAMSUNG-SGH-I337 using xda premium
Any ROM you want to flash should have full instructions on how to flash it on the OP. I'd it does not, message the OP of the ROM to ask that they update their thread. Each ROM can and will have a different process.
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Thanks for the reply... I have flashed lots of roms on various devices, but for some reason I thought I recently read something about bricking your device if you try and flash a rom after mf3.
I do appreciate your response and agree I will only flash a rom after clearly understanding each specific roms install instructions.
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dandroid7 said:
Thanks for the reply... I have flashed lots of roms on various devices, but for some reason I thought I recently read something about bricking your device if you try and flash a rom after mf3.
I do appreciate your response and agree I will only flash a rom after clearly understanding each specific roms install instructions.
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Click to expand...
Click to collapse
That is only with the official MF3 OTA update.
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I suspected that might be the case, but thought I'd ask just to be sure. Rather not brick my phone, this thing is amazing.
Thanks for the help.
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does this work with our att ?

http://androidhosting.org/Devs/Faux/ROM/jflte/tmp/
https://plus.google.com/u/0/109078966818501160423/posts/4RhTmHJSacq
Ask Faux.
He made it, so he would be best answer that question.
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I would also add not to flash any rom not on xda. And only after reading OP and a fair number of beginning and ending thread pages. And have a nandroid and sdcard backup. Both bu's on pc also.
I trust anything Faux releases.
Just get clarification from him if you're unsure about a ROM or kernel he releases.
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You can flash just about any rom for the 9505 (NOT 9500) on the i337(AT&T) the hardware is the same. I've tried a half dozen of them at least. Just make sure that you have flashed a loki'd i337 kernel after you flash the rom. I don't think that he's released the jftatt kenels for 4.3 for mass consumption yet though (009m & u), but he posted a link to them in the 9505 thread a few days ago. You could use Ktoonsz 4.3TW if you wanted to try with a known working kernel for the GE 4.3 roms.
TL;DR yes but it won't boot without the proper 4.3 kernel.

Can a new S4 from ATT carrier be rooted?

Saw a good deal for a new Galaxy S4 for $79 + $70 trade in on my old HTC One. So only $10 for the New S4: )
But reading around people saying the New S4 firmware has a hard lock on it and not easy to root and only one or two roms working on it?
I was gonna root it and put the Google Play Edition ROM on it but some say that's not possible on new S4 from ATT carriers now?
Sent from my LG-D800 using xda app-developers app
You should do some searching but the s4 with mf3 can be rooted. I know they're not going to have the the new 4.3 update on it yet. But I'd say get the s4 and use the kingo root method.
Use this guide for rooting
http://forum.xda-developers.com/showthread.php?t=2473747
http://forum.xda-developers.com/showthread.php?t=2428254
Use this guide for your ROMs
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Root doesn't mean unlocked. You can be rooted and still have a locked bootloader.did you read before posting? I'm not trying to come off rude.
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re: AT&T Rooting
Zorachus said:
Saw a good deal for a new Galaxy S4 for $79 + $70 trade in on my old HTC One. So only $10 for the New S4: )
But reading around people saying the New S4 firmware has a hard lock on it and not easy to root and only one or two roms working on it?
I was gonna root it and put the Google Play Edition ROM on it but some say that's not possible on new S4 from ATT carriers now?
Sent from my LG-D800 using xda app-developers app
Click to expand...
Click to collapse
You will be able to root the AT&T Galaxy S4 easily, almost everyone here in this AT&T S4 forum
already has rooted their phones and have flashed custom roms without any issues.
Good luck!
MF3 can be rooted but you can't flash a custom recovery (TWRP, CWM) If you're asking if you can root the device and flash a custom rom, it all depends on your AT&T store. Try and go to your AT&T store and before they unbox the S4 and start activating everything, make sure you tell them you want a phone with the firmware MDL on it. If they don't have any with the firmware MDL, tough luck. If you get an S4 with MF3, you can only root.
Not only root.
Root it and install Safestrap to install most TW based ROMs that run 4.2.2
Most important is to lube your eyes and
READ/SEARCH all info to do with your build or you will be a victim of the I bricked my phone cause I can't read.you can Google anything to do with your phone and ad "xda" to the search and you will find what you are looking for.
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Last two phones I had, the Nexus 4, and Note 2 on ATT, were easy as pie to root and install recovery, and that was it, you were done forever, just flash a ROM + Kernel, reboot and bam you had a fresh new ROM to enjoy, and was so easy and fast to do get it installed, was a no brainer. What happened in the past year with phones being so locked down so hard, where you can't just do that anymore ?
Wish all Android phones were as simple as a Nexus to flash rom's on. But I don't want the Nexus 5 phone with tiny battery, I like bigger batteries or removable, and more storage options, etc...
Yes it can be rooted using the external sd card method. Its actually easy to do.
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aarond1004 said:
Yes it can be rooted using the external sd card method. Its actually easy to do.
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Click to expand...
Click to collapse
The is an even easier method called kingo root that was previously stated.
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graydiggy said:
The is an even easier method called kingo root that was previously stated.
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Click to expand...
Click to collapse
Thank you. So I can root it no problem, but then it's a matter of very select ROM's available due to my firmware ? And none of them can be 4.3 based ? Which the S4 doesn't even officially have yet, but not even the Google Play Edition ROM that is 4.3 can be installed on this firmware, only the older 4.2.2 version ?
Ok, so I root with using 'Kingo' method
Then install the safestrap .apk, and install that
And then install only a ROM on the provided list, which will all be 4.2.2 based only ? Still rather have any of those, than just stock TW out of the box unrooted
All correct
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Zorachus said:
Thank you. So I can root it no problem, but then it's a matter of very select ROM's available due to my firmware ? And none of them can be 4.3 based ? Which the S4 doesn't even officially have yet, but not even the Google Play Edition ROM that is 4.3 can be installed on this firmware, only the older 4.2.2 version ?
Ok, so I root with using 'Kingo' method
Then install the safestrap .apk, and install that
And then install only a ROM on the provided list, which will all be 4.2.2 based only ? Still rather have any of those, than just stock TW out of the box unrooted
Click to expand...
Click to collapse
You can put Google play edition ROMs on but not the 4.3 as stated in the guide. The only real problem for me is that it seems to use more battery than tw roms. And you don't have all the features as your tw based ROMs on the gpe ROMs. Some tw ROMs are just as fast if not faster. Fast speeds and great battery life can't go wrong with that.
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You guys recommend a new S4, or the LG G2 ?
Thing is the G2 development is very sparse, and cases and accessories few and little for the G2. And what about resale down the road in a year or 18 months ? Which will fetch better trade in money the S4 or G2 ?
Thanks.
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Questions about safestrap on MF3

Right now I am on MF3 (just got a replacement phone) and have it rooted with safestrap recovery installed. I'm on Graviton 1.6, root and all.
A couple of questions arise regarding the rom slots:
Can you install more than one rom at a time (and switch seamlessly if you're booting with a different rom slot)?
Can you install a different base (i.e. MDL) so I can install AOSP/CM 10.x?
Thanks in advance!
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Gfrt94yn said:
Right now I am on MF3 (just got a replacement phone) and have it rooted with safestrap recovery installed. I'm on Graviton 1.6, root and all.
A couple of questions arise regarding the rom slots:
Can you install more than one rom at a time (and switch seamlessly if you're booting with a different rom slot)?
Can you install a different base (i.e. MDL) so I can install AOSP/CM 10.x?
Thanks in advance!
Sent from my SGH-I337 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
There are a few places you can read about that answer your question, here is the Q&A and here is the development thread. I'm fairly certain that you can ONLY use MF3 TW based ROMS, however some report that a few 4.2.2 ROMS like GPE Roms work. Yes you can switch seamless to another slot, I would suggest taking a look at the tread(s) since the OP's explain it better
Awesome, thanks for the links!
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First flash in 2 years

Hey guys, I happen to be running an old shostock rom from shortly after I got the phone. I believe I have the mdl bootloader but am only 90% sure.
Since it has been so long and I see so many threads about having to use safestrap I just want to be cautious with my flash.
I would like to try out a newer, but very stable ROM. Which ones are compatible with my device? I assume I still need to flash lokidoki.zip?
I used to love miui on my old inspire/desire hd....is there a good port for the gs4?
Thanks for the help!
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If you go to Settings, "About Phone" and check there or extra information, it should tell you the what the current bootloader is for your device, yes?
Dirty Unicorns is a stable MDL based ROM available in Kit Kat and Lollipop.
If you have an old ROM, I wonder if you may need to update your modem as well.
Whatever do you, don't forget to backup. Good luck.
sent from xda app
Anyone else have anything to add? How stable are the aosp lollipop roms?
I do like touchwiz but I'm looking for a change of pace.
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