Porting stock L-01F (Japanese G2) ROM to d800 (AT&T G2) - G2 Q&A, Help & Troubleshooting

I would like to know if it's possible to port the stock ROM of Japanese variant of the LG G2 (L-01F) to an AT&T LG G2?
I travel a LOT to Tokyo and using my phone on AT&T will just cost me an arm and 50 legs when I'm half across the world.
I'm thinking if I just flash the stock ROM of the Docomo version that it'll work, swap out my AT&T SIM card for a Docomo SIM card - flash the ROM and be good on the go. And when I go back to the states I'll just restore the nandroid of my AT&T stock ROM and slip in my AT&T card.
What exactly does it take to port the ROM over? I'm hearing that just flashing the ROM and flashing the AT&T kernel would work just fine.
Thanks for the help!

Bump, I really hope I've posted this in the right section.

I'm not a developer or anything, but wouldn't you need to unlock your phone for this?

FiendFyre said:
I'm not a developer or anything, but wouldn't you need to unlock your phone for this?
Click to expand...
Click to collapse
Yes my phone is unlocked but some off the apps that are exclusive to Docomo handsets are locked and some are tied to their ROM framework and such. I tried downloading certain apps to see if I can get them to work on the AT&T ROM but it's a no go :\

Related

[Q] n900v - Tmobile Sim - Cant get service

Hi guys, really hoping you can help me out here.
I have a n900v and i have a tmobile sim in it (metroPCS, but same thing now). I've seen several threads here saying guys put in their metro or tmobile sim and voice/text worked right off the bat. The same is not true for me. I have put in my sim and tried several different tmobile APN settings (ones specifically for the Note 3 on tmobile, and then the one my S3 currently uses) and nothing works. I looked for a tmobile note 3 radio to flash thinking that would work but i dont even see a radios thread in the n900t forums. I even flashed the hyperdrive rom hoping that would open me up.
Can anyone tell me how to get this phone on the tmobile network?
JenovaImproved said:
Hi guys, really hoping you can help me out here.
I have a n900v and i have a tmobile sim in it (metroPCS, but same thing now). I've seen several threads here saying guys put in their metro or tmobile sim and voice/text worked right off the bat. The same is not true for me. I have put in my sim and tried several different tmobile APN settings (ones specifically for the Note 3 on tmobile, and then the one my S3 currently uses) and nothing works. I looked for a tmobile note 3 radio to flash thinking that would work but i dont even see a radios thread in the n900t forums. I even flashed the hyperdrive rom hoping that would open me up.
Can anyone tell me how to get this phone on the tmobile network?
Click to expand...
Click to collapse
pretty sure u would have to get metro to first add the IMEI to their database before the sim could work
s3xda said:
pretty sure u would have to get metro to first add the IMEI to their database before the sim could work
Click to expand...
Click to collapse
I just called and gave them the IMEI to add to the DB, they said it wasnt listed in their inventory and may need to be unlocked. But i dont get a sim unlock prompt on the phone and every post says these come unlocked.. I have a feeling it's the radio that i need. Does anyone have a recovery or odin flashable tmobile modem?
Tmobile rom didnt fix either
Just safestrapped a stock tmobile rom and it didnt help. Guess it didnt include the modem. I need to find some firmware to extract it from.
JenovaImproved said:
Just safestrapped a stock tmobile rom and it didnt help. Guess it didnt include the modem. I need to find some firmware to extract it from.
Click to expand...
Click to collapse
There are some threads in dev i believe that are flashable modems

Questions about buying Tmobile variant

I'm going to purchase the lg g2 tmobile variant for $398.40 just have a couple of questions. What would be the cheapest place for me to unlock the phone to work on ATT either online or in the Nyc area, Also when it comes to rooting and rom development are all the phones the same or would I be held back by not having the unlocked international version?
Manbot27 said:
I'm going to purchase the lg g2 tmobile variant for $398.40 just have a couple of questions. What would be the cheapest place for me to unlock the phone to work on ATT either online or in the Nyc area, Also when it comes to rooting and rom development are all the phones the same or would I be held back by not having the unlocked international version?
Click to expand...
Click to collapse
SIM unlock $1.70: http://forum.xda-developers.com/showthread.php?t=2455956
The current root tool (ioroot25) doesn't work for the T-Moblie G2 and the only way to root is to flash back to JB, root, install recovery, then user recovery to upgrade to KK.
It seems there is less activity on the T-Mobile specific forum http://forum.xda-developers.com/tmobile-g2

[Q] SIM Unlock on SPH-L720T

Hello!
I am about to travel to Europe and I was wondering if I could do this and use a SIM card purchased at the airport. Is that possible with this model? I'm on AOSP but willing to go back stock/rooted if needed.
Thank you.
As far as we know there is no domestic or international unlock for the triband version. You can call sprint if you've had the phone for over 90days and ask them to unlock it.
good advice. spoke to Sprint and stated they have unlocked my phone.
now, would I need to revert to stock in order to properly use SIM cards after unlock? im running Carbon ATM but would flash a TouchWiz ROM if needed.
No there is no chance of unlocking it. not for today anyway. u need to contact sprint with working sprint simcard in the phone and beg them to unlock it for u.(possible they will not)
ok guys, like I mentioned before, Sprint unlocked my phone. Do I need to revert to a stock-based ROM in order for it to work or will it work on my current ROM? I know this will be helpfull for a LOT of people.
Thanks.
Finaly we have unlocked device
Well i think now its good for you to be on stock based room wathever your version is ng5 or nc6 . And if you like to help other like me for unlocking our devices i think its good to be in contact with DaisFlague because he is working on unlocking our l720t version of s4
antibiotic1 said:
Well i think now its good for you to be on stock based room wathever your version is ng5 or nc6 . And if you like to help other like me for unlocking our devices i think its good to be in contact with DaisFlague because he is working on unlocking our l720t version of s4
Click to expand...
Click to collapse
Ok cool. Why is Sprint giving a hard time unlocking devices? Just took me one chat conversation with a rep and she didnt hesitate to unlock it for me. Only thing was that Im running Carbon ROM and I dont know if I needed to be on a stock-based ROM in order to make it work.
Sent from my SPH-L720 using XDA
Can you use this with note 2?

US Unlocked... VZW radio vs full VZW conversion for international use

I just picked up the standard Unlocked HTC 10 and I'm looking to use it as my Verizon daily driver. I'm also looking to use it overseas while I'm in Germany for a month (using whatever plan I find when I get there... recommendations would be appreciated, but I digress).
Are there any pros/cons to flashing the Verizon radios vs converting to the full Verizon version for when I make it overseas?
Rakinos said:
I just picked up the standard Unlocked HTC 10 and I'm looking to use it as my Verizon daily driver. I'm also looking to use it overseas while I'm in Germany for a month (using whatever plan I find when I get there... recommendations would be appreciated, but I digress).
Are there any pros/cons to flashing the Verizon radios vs converting to the full Verizon version for when I make it overseas?
Click to expand...
Click to collapse
From my experience it's a waste of time "converting" it to a Verizon phone...flash one of the ROMs that support multiple carriers.. for example leedroid ROM or viper. Keep the zip on your SD In case you gotta flash it in Germany to choose another carrier(international) support option.
Rakinos said:
I just picked up the standard Unlocked HTC 10 and I'm looking to use it as my Verizon daily driver. I'm also looking to use it overseas while I'm in Germany for a month (using whatever plan I find when I get there... recommendations would be appreciated, but I digress).
Are there any pros/cons to flashing the Verizon radios vs converting to the full Verizon version for when I make it overseas?
Click to expand...
Click to collapse
SInce the MID is already the same why not just S-off and supercid the device.. .allowing you to fully go either direction by simply flashing an RUU file from your ext SD ?
dottat said:
SInce the MID is already the same why not just S-off and supercid the device.. .allowing you to fully go either direction by simply flashing an RUU file from your ext SD ?
Click to expand...
Click to collapse
SuperCID wouldn't let me flash the ROMs...
Well, the ROMs flashed but wouldn't boot up. Just hangs up on green htc logo. Soon as I changed CID back to unlocked, everything worked fine again. Idk maybe it's just me
I'm hoping for something that allows a simple sim card swap as (truth be told) it's going to be used by my mother.
Idk if you can do that. I believe you still have to change some thing in the "mobile data" settings going from Verizon to using it in Germany. Not sure though. Maybe some of these ROMs will have all the goodness already baked in...

SIM unlock Sprint V20 (LS997)

I am about to purchase this amazing phone, however I would like to use it in my country on GSM network. I want to know whether this particular model has factory GSM unlock like Verizon version or it needs to be SIM unlocked manually.
Also, if it needs to be unlocked separately, does any method available to do the same?
I looked around on XDA but could not find a clear answer.
Thanks..
honest1212 said:
I am about to purchase this amazing phone, however I would like to use it in my country on GSM network. I want to know whether this particular model has factory GSM unlock like Verizon version or it needs to be SIM unlocked manually.
Also, if it needs to be unlocked separately, does any method available to do the same?
I looked around on XDA but could not find a clear answer.
Thanks..
Click to expand...
Click to collapse
dirty santa unlocks the uicc, flash the us996 rom or a aosp rom and put in your sim.
otherwise using a cdma phone on a gsm network isnt the best ideal and you should by the unlocked international variant to avoid these issues in the first place. Why buy a carrier phone when you arent using on that carrier? Seems like your trying to go a shady route to me..
Team DevDigitel said:
dirty santa unlocks the uicc, flash the us996 rom or a aosp rom and put in your sim.
otherwise using a cdma phone on a gsm network isnt the best ideal and you should by the unlocked international variant to avoid these issues in the first place. Why buy a carrier phone when you arent using on that carrier? Seems like your trying to go a shady route to me..
Click to expand...
Click to collapse
Hello, i was using your magisk rom on sprint network but i decided to flash the deodexed stock version that i downloaded from the dirty santa root method since i also have verizon. The issues with that Rom is that it doesnt read the external sd card and it did not get 4g/LTE. It took me a long time and reading to finally 4g and internet working as well as the hot spot tether by replacing the apn.xml file with one i found online. But is there a way you can share a working kernel that fixes the sd card error issue on this deodexed stock rom? Thank you man you're awesome!
razzrmaxx said:
Hello, i was using your magisk rom on sprint network but i decided to flash the deodexed stock version that i downloaded from the dirty santa root method since i also have verizon. The issues with that Rom is that it doesnt read the external sd card and it did not get 4g/LTE. It took me a long time and reading to finally 4g and internet working as well as the hot spot tether by replacing the apn.xml file with one i found online. But is there a way you can share a working kernel that fixes the sd card error issue on this deodexed stock rom? Thank you man you're awesome!
Click to expand...
Click to collapse
If ur using both. Id suggest trying dualboot patcher to swtich between the 2. You should flash a vzw rom with its matching vzw kernel to get it 100%.
Id try the angry albatross aka warewolf kernel or the konverged kernel as they are the most universal.
The kernels i use are for sprint and wouldnt mesh with the us996 rom. Try a Vs995 rom and see how it acts. Thats where you should be pulling the parts you need.
But sd card shouldnt be a issue on any rom as far as i know. May be a sd card error.
Team DevDigitel said:
If ur using both. Id suggest trying dualboot patcher to swtich between the 2. You should flash a vzw rom with its matching vzw kernel to get it 100%.
Id try the angry albatross aka warewolf kernel or the konverged kernel as they are the most universal.
The kernels i use are for sprint and wouldnt mesh with the us996 rom. Try a Vs995 rom and see how it acts. Thats where you should be pulling the parts you need.
But sd card shouldnt be a issue on any rom as far as i know. May be a sd card error.
Click to expand...
Click to collapse
Dual boot patcher? ? i actually dont want it on sprint lol i have an lg g5 for my sprint account. I just wish i could get sd card reader working and thank you for the advice. I did try the warewolf kernel a few weeks ago before i got the 4g internet to work on this rom but performance sucked so i went back to magisk.
This is what im running on my ls997 currently working on verizon with hot spot enabled.
Put ur sd card into pc. And run the sd repair and put back in
Edit:
Try a Vzw rom fully. Us996 is unlocked rom and is gsm based.. Do VS995 rom.
Team DevDigitel said:
Put ur sd card into pc. And run the sd repair and put back in
Edit:
Try a Vzw rom fully. Us996 is unlocked rom and is gsm based.. Do VS995 rom.
Click to expand...
Click to collapse
My sd card is not corrupted. It reads fine from the file manager on cwm and any other rom. Is that a software for repairing sd cards what you are suggesting? And i am afraid to try any other roms that are not ls997, i dont want to brick or be stock on a firmware that is going to give me more bugs then what i have.
razzrmaxx said:
My sd card is not corrupted. It reads fine from the file manager on cwm and any other rom. Is that a software for repairing sd cards what you are suggesting? And i am afraid to try any other roms that are not ls997, i dont want to brick or be stock on a firmware that is going to give me more bugs then what i have.
Click to expand...
Click to collapse
I would try it lol.. U have twrp backups and ur hust flashing a dif rom.Worst it won't boot but they are on us996 bootloader also. Shouldn't be any diff. May need to find somone with modem backup to get their radios.
Give me a min. Ill go find a vzw rom and flash it on my dualboot lol
You could also flash the rr aosp rom. Its nice. It would be better fit to run a dif carrier also.
Team DevDigitel said:
I would try it lol.. U have twrp backups and ur hust flashing a dif rom.Worst it won't boot but they are on us996 bootloader also. Shouldn't be any diff. May need to find somone with modem backup to get their radios.
Give me a min. Ill go find a vzw rom and flash it on my dualboot lol
You could also flash the rr aosp rom. Its nice. It would be better fit to run a dif carrier also.
Click to expand...
Click to collapse
As far as the picture messaging which is the second issue, Looking on google it sounds like it has to do with the apns-conf.xml file. Someone said they deleted the cbs parts of the file but if i do it and save it. The rest of the apns disappear from apn setting under settings. Here is the info i have on my .xml file
<?xml version="1.0" encoding="utf-8"?>
---------- Post added at 01:59 AM ---------- Previous post was at 01:52 AM ----------
<?xml version="1.0" encoding="utf-8"?>
How did you manage to get 4g on the US996 rom? I am having the same issue with that rom.
@Ablazelemon2 Just several posts below is my short guide - please try it - you should be able to use non Sprint SIM.
Oooo Boost...
Ok. I hope Im posting this in the correct area. Please forgive me if I am not.
I purchased a refurbished LG V20 LS997. It's a Sprint model obviously.
It has a clean esn. Verified through the Sprint portal.
I am trying to get it onto the Boost network.
I previously had my Sprint LG G3 LS990 running flawlessly on Boost.
The V20 should work just as well.
My issue that I keep running into is that the V20 I have still has a SIM number attached to it. However, the device did not come with a SIM card at all.
Sprint WILL NOT free the SIM number from the device in order for me to insert and use a Boost SIM.
When I attempt to swap the device myself I am prompted with an error message about the SIM.
When I call Boost to get this process taken care of, they run into the same error.
Now I am aware that the V20 is not present on the list of accepted sprint devices.
However, there is a Boost mobile variant of the V20 directly through LG.
So I am CERTAIN this will work on the Boost network.
Only thing holding the process back is the SIM that is locked to the device.
Does anyone have any idea what I should do here?
I am lost.
Thank you in advance!
Apple_Saucer said:
Ok. I hope Im posting this in the correct area. Please forgive me if I am not.
I purchased a refurbished LG V20 LS997. It's a Sprint model obviously.
It has a clean esn. Verified through the Sprint portal.
I am trying to get it onto the Boost network.
I previously had my Sprint LG G3 LS990 running flawlessly on Boost.
The V20 should work just as well.
My issue that I keep running into is that the V20 I have still has a SIM number attached to it. However, the device did not come with a SIM card at all.
Sprint WILL NOT free the SIM number from the device in order for me to insert and use a Boost SIM.
When I attempt to swap the device myself I am prompted with an error message about the SIM.
When I call Boost to get this process taken care of, they run into the same error.
Now I am aware that the V20 is not present on the list of accepted sprint devices.
However, there is a Boost mobile variant of the V20 directly through LG.
So I am CERTAIN this will work on the Boost network.
Only thing holding the process back is the SIM that is locked to the device.
Does anyone have any idea what I should do here?
I am lost.
Thank you in advance!
Click to expand...
Click to collapse
Check the software version.. If it is zv5 then you can unlock it from the hidden menu.. What you can do and what is available for you is dependant on the software version... If you are on an older software version do not upgrade to the newest since you will not have root options..
Sent from my [device_name] using XDA-Developers Legacy app
Confirmed Sprint LG V20 LS997 on Boost
ScottieRotten said:
Check the software version.. If it is zv5 then you can unlock it from the hidden menu.. What you can do and what is available for you is dependant on the software version... If you are on an older software version do not upgrade to the newest since you will not have root options..
Click to expand...
Click to collapse
Thank you for replying!
I have the ZVB Software Version on the device.
Aside form that, I got it activated this evening at a local Boost store. It seems as though all that needed to happen was to get a proper SIM card for it. The employee used a "Bring Your Own PHONE SIM Card Activation Kit". It has an orange package vs. the white packaging for the incompatible SIM I had purchased from the other Boost store I had gone to.
The process was rather painless and took only a few minutes to get the phone up and running on the network.
It cost me $30 and a small amount of patients.
This phone is phenomenal and I am very thankful for the employee that got it working for me.
Thank you again ScottieRotten.
If anyone has any questions about getting the Sprint LG V20 LS997 onto the Boost network, feel free to ask me anything and I will gladly help.
Apple_Saucer said:
Thank you for replying!
Aside form that, I got it activated this evening at a local Boost store. It seems as though all that needed to happen was to get a proper SIM card for it. The employee used a "Bring Your Own PHONE SIM Card Activation Kit". It has an orange package vs. the white packaging for the incompatible SIM I had purchased from the other Boost store I had gone to.
Click to expand...
Click to collapse
Interesting. My wife used to be a Boost customer. I bought her a LS997 about a year ago, and I intended to just swap her old phone and stay with Boost. However, Boost insisted that they could not activate the V20 on their network. We therefore ported her number to Twigby, and the V20 has been working great on Twigby ever since. Boost lost a long term customer due to their stupid BYOD restrictions.
Note that this discussion is unrelated to the OP though. Boost and Twigby both operate on the Sprint network, so no SIM unlock is needed for them.
spocko said:
Interesting. My wife used to be a Boost customer. I bought her a LS997 about a year ago, and I intended to just swap her old phone and stay with Boost. However, Boost insisted that they could not activate the V20 on their network. We therefore ported her number to Twigby, and the V20 has been working great on Twigby ever since. Boost lost a long term customer due to their stupid BYOD restrictions.
Note that this discussion is unrelated to the OP though. Boost and Twigby both operate on the Sprint network, so no SIM unlock is needed for them.
Click to expand...
Click to collapse
Yes it was a bit of hoop jump but as long as the proper SIM is used, you can use just about any Sprint phone on Boost. They swore up and down that "it wasn't a compatible device" but I just insisted they try until they did. And it worked!
Thanks!
Team DevDigitel said:
dirty santa unlocks the uicc, flash the us996 rom or a aosp rom and put in your sim.
otherwise using a cdma phone on a gsm network isnt the best ideal and you should by the unlocked international variant to avoid these issues in the first place. Why buy a carrier phone when you arent using on that carrier? Seems like your trying to go a shady route to me..
Click to expand...
Click to collapse
didnt work for me :crying:
did the dirty santa, flashed the rom but still my network isnt coming on
Team DevDigitel said:
If ur using both. Id suggest trying dualboot patcher to swtich between the 2. You should flash a vzw rom with its matching vzw kernel to get it 100%.
Id try the angry albatross aka warewolf kernel or the konverged kernel as they are the most universal.
The kernels i use are for sprint and wouldnt mesh with the us996 rom. Try a Vs995 rom and see how it acts. Thats where you should be pulling the parts you need.
But sd card shouldnt be a issue on any rom as far as i know. May be a sd card error.
Click to expand...
Click to collapse
I've read allot in here and it's been years since I've done any of this so I'm basically stating new again. You are the one user here that seems the most knowledgeable.Would you mind helping me out? I'd really appreciate it!

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