[Q] Roms for T999L T-Mobile - T-Mobile, Samsung Galaxy SIII

Im new to this part of XDA, I just recently purchased a Galaxy S3 T999L.
Purchasing this phone, I had no idea there was a non LTE Model which leads me in a bit of confusion when looking for a custom Rom
Im no rookie when it comes to flashing. If you look Below in my sig you can see the devices I currently have and have flashed different roms many times in the past. My question is what ROMs will work with my T999L? Ive looked and to my confusion have seen more for the T999 than anything since its been around much longer.. I've been looking and the forum here is a bit fragmented and its hard to see which ROM will go to which device. Please forgive me for my ignorance, Im just trying to play catch up, and perhaps contribute in the future in some way.
Edit: Im more familiar with flashing Tablets than phones, I dont have much experience with flashing radios and other phone related stuff...Is there a Difference with T999 and T999L other than the Radio?
edit 2: No comments? I guess either i said the wrong thing, or I posted in the wrong forum..
Thank you in advance

The t-999 ROMs will work with your t-999l, except the 4.3 touchwiz ROMs for the moment. 4.3 aosp/cm/aokp is fine.. There's really not much difference between the two, except the t-999l was updated to support lte.. Do not flash a t-999 modem to your t-999l, it won't brick but it won't pick up service at all. I suggest looking at the t-999l and t-999n q&a thread for further info
Sent from my SGH-T999 using Tapatalk

Zaphodspeaks said:
edit 2: No comments? I guess either i said the wrong thing, or I posted in the wrong forum..
Thank you in advance
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Click to collapse
Probably because there is a thread just for this. ... use the search function Thank you.
Sent from my SGH-T999L using xda app-developers app

chjema said:
Probably because there is a thread just for this. ... use the search function Thank you.
Sent from my SGH-T999L using xda app-developers app
Click to expand...
Click to collapse
I did just that.... And u didn't have to be rude about it..
Thanks for your input

Don't mean to hi-jack this thread but it kind of pertains the the question. I have the T999L as well. I've read Doc's informational thread about the T999L and T999N.
In terms of this part:
"ONLY flash T999L firmware to a T999L and T999N firmware to a T999N!!!!
If it does not match your model EXACTLY, it will almost certainly brick your device!!!"
I keep reading I can safely flash T999 roms, kernels, etc. But it's the firmware process that confuses me. Should I only stick to 4.1.2 roms (can I even flash Jamison's 4.1.1 rom for example), or can I flash a 4.3 TW rom in the future, assuming the leaked builds get LTE support when the official update comes out?
Thanks in advance.

serio22 said:
The t-999 ROMs will work with your t-999l, except the 4.3 touchwiz ROMs for the moment. 4.3 aosp/cm/aokp is fine.. There's really not much difference between the two, except the t-999l was updated to support lte.. Do not flash a t-999 modem to your t-999l, it won't brick but it won't pick up service at all. I suggest looking at the t-999l and t-999n q&a thread for further info
Sent from my SGH-T999 using Tapatalk
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Click to collapse
If that's true then how come the T999L wasn't updated to 4.3 alongside the T999? The 4.1.2 software wasn't even the same. No multi-window, no Note 2 photo gallery, still rockin the old "My Files" app on the T999L 4.1.2 software.....At first I thought it was just the "LTE Radio" difference but I guess there's more to it seeing the differences in software.

MyanRagahis said:
Don't mean to hi-jack this thread but it kind of pertains the the question. I have the T999L as well. I've read Doc's informational thread about the T999L and T999N.
In terms of this part:
"ONLY flash T999L firmware to a T999L and T999N firmware to a T999N!!!!
If it does not match your model EXACTLY, it will almost certainly brick your device!!!"
I keep reading I can safely flash T999 roms, kernels, etc. But it's the firmware process that confuses me. Should I only stick to 4.1.2 roms (can I even flash Jamison's 4.1.1 rom for example), or can I flash a 4.3 TW rom in the future, assuming the leaked builds get LTE support when the official update comes out?
Thanks in advance.
Click to expand...
Click to collapse
Firmware refers to the files used in Odin, so for those, make sure you use the ones for your device only. You can flash any ROM, even 4.1.1 I believe.. And yes once there's a leaked 4.3 firmware for the t999l you should be able to just flash the modem and then flash a 4.3 tw ROM, based on what we experienced with the t999
Sent from my SGH-T999 using Tapatalk

serio22 said:
Firmware refers to the files used in Odin, so for those, make sure you use the ones for your device only. You can flash any ROM, even 4.1.1 I believe.. And yes once there's a leaked 4.3 firmware for the t999l you should be able to just flash the modem and then flash a 4.3 tw ROM, based on what we experienced with the t999
Sent from my SGH-T999 using Tapatalk
Click to expand...
Click to collapse
Thanks a lot for this. Been bugging me for a while now. I'll probably take the plunge soon and use "The Recovery Way." Rooted my first S3 using motochopper back in June or July when I first got it, but problems arose and exchanged it at Costco (just got it and WiFi wouldn't connect after a factory reset). Been scared since lol. Also scared me that I wouldn't receive official updates anymore as it said it was modified, but that doesn't bug me anymore reading all the complaints about the whole no turning back.
Thanks again!

I'm looking into flashing a custom ROM onto my T999L for the first time as well...have any of you guys taken the plunge yet, and have any feedback on specific ROMS? I think I will try with AOKP

Related

DONT WANT A BRICK? Check here

As of right now, the roms for your S3 are not meant to be used on other S3 variants. Bricks might happens or a soft one might happen. Before flashing a Rom make sure you are in the right development section an you read the entire op, twice. Until other devs or experienced users find a way to make them cross compatible, please refrain from using other carriers S3 roms.
Also wind mobile an Tmobile are interchangeable, just don't flash the modems.
ONLY FLASH THE ROMS IN THIS FORUM!
Mr.Highway said:
As of right now, the roms for your S3 are not meant to be used on other S3 variants. Bricks might happens or a soft one might happen. Before flashing a Rom make sure you are in the right development section an you read the entire op, twice. Until other devs or experienced users find a way to make them cross compatible, please refrain from using other carriers S3 roms.
Click to expand...
Click to collapse
I second this, guys PLEASE don't risk it. It is not worth it. Right now I think most devs are working on their own ROMs, but we should have a patch soon to allow cross-compatibility.
think some peeps are confused by whats before tmo development. (AT&T, T-Mobile, Sprint, Verizon Samsung Galaxy S III) just my opinion but good idea on thread.
Mr Highway:
Could you start another thread for Windmobile Android Development?
In the past all Windmobile phones are just T-mobile phone rebadge.
In this case, it does not in terms of kernels....(and may be baseband)
I am working on this so that all roms will work on all carriers
http://forum.xda-developers.com/showthread.php?t=1735482
Mr.Highway said:
As of right now, the roms for your S3 are not meant to be used on other S3 variants. Bricks might happens or a soft one might happen. Before flashing a Rom make sure you are in the right development section an you read the entire op, twice. Until other devs or experienced users find a way to make them cross compatible, please refrain from using other carriers S3 roms.
Click to expand...
Click to collapse
AMEN!! Some fool I know ALREADY called me with a bricked gs3! I'm gonna sit back and let the pros do their thing, and that's DEFINITELY the safest bet!
thanks for the reminder and jsut to make sure ....
i have rogers sgh-i747
i want to be in this AT&T, T-Mobile, Sprint, Verizon Samsung Galaxy S III - xda-developers thread for everything correct ?
and not in the Samsung Galaxy S III I9300 thread ?
I keep seeing posts about ROMs that can work on these variants of galaxy S3s. Now correct me if I'm wrong, but aren't the ROMs supposed to be specific to GSM or CDMA? When I flashed windows based roms on my touch pro II, that was one of the things to look out for. Is it possible to create a ROM for all carriers?
Alik4041 said:
I keep seeing posts about ROMs that can work on these variants of galaxy S3s. Now correct me if I'm wrong, but aren't the ROMs supposed to be specific to GSM or CDMA? When I flashed windows based roms on my touch pro II, that was one of the things to look out for. Is it possible to create a ROM for all carriers?
Click to expand...
Click to collapse
Yes and no.
With the use of aroma-installer, we could set it up to detect your phone type (well, not we....I don't know that much about it but I saw the thread discussing this) and aroma would be able to install the necessary files based on your phone.
As of now, for instance, mine works across all GSM carriers. clark44 is current working to get everything switched up so it also works for Sprint (mostly appears to be the apk files and XML files) that are specific to the phone. As of now, he has it booting and working fine except there is a large rush of FCs on initial bootup but then everything runs fine.
I wasn't even aware you could make a patch to allow cross-compatibility! XDA never fails to surprise
Just a thought, but maybe they could do it like the SlimROM on multiple devices. He has a common base ROM and another flashable for each device supported. It works out perfectly and multiple ROMs for multiple carriers.
I figure it will be easier than doing it for different devices since I read that all the US variants are essentially the same. Not sure but worth a look.
link to the ROM: http://www.slimroms.com/
I use it for the Vibrant
Sent from my SGH-T959 using Tapatalk 2
Will there ever be any SGH-T999V development?
Does anyone think that someone with a SGH-T999V Wind Mobile variant will ever be able to root their phone so they can overclock the cpu, etc?
Why not? I am using a custom rom and overclocked to 1890 at the moment.
Just use the windows way to root. I knbow it works
I have not tried the toolkit.
If you are going to flash a custom rom just make sure it does not contain the boot, modem and amss file in the rom that you are flashing.
LXXIII said:
Does anyone think that someone with a SGH-T999V Wind Mobile variant will ever be able to root their phone so they can overclock the cpu, etc?
Click to expand...
Click to collapse
What about using i9300 themes and mods? Will this cause constant FCs or other issues?
LXXIII said:
Does anyone think that someone with a SGH-T999V Wind Mobile variant will ever be able to root their phone so they can overclock the cpu, etc?
Click to expand...
Click to collapse
I am curious of this too. I have the wind mobile galaxy s 3 and I was hoping to put cyanogenmod on it. Is this possible? Let me know, any help would be appreciated.
Sent from my SGH-T999V using Tapatalk 2
I'm more curious as to what exactly the differences are between the 2 variants (i.e. t999 vs t999v). What could possibly make them so different from each other that ROMs from tmobile wouldn't work on wind GS3?
What if you accidentally tried to flash i9300 rom and your phone is not turning on.
With the forums changed I accidentally flashed the wrong version rom on my phone. :crying:
TheLegace said:
What if you accidentally tried to flash i9300 rom and your phone is not turning on.
With the forums changed I accidentally flashed the wrong version rom on my phone. :crying:
Click to expand...
Click to collapse
Try to use odin to go back to stock, that's what I'm thinking, but I don't own the S3
Mr.Highway said:
Try to use odin to go back to stock, that's what I'm thinking, but I don't own the S3
Click to expand...
Click to collapse
correct and theres a thread about just that mistake.
http://forum.xda-developers.com/showthread.php?t=1727401
darren.wlsn1 said:
correct and theres a thread about just that mistake.
http://forum.xda-developers.com/showthread.php?t=1727401
Click to expand...
Click to collapse
Thanks for the link, unfortunately the phone will not go into download mode for odin, it won't even turn on.
After doing some research it looks like I have to fix it through jtag.
I think I could do it, but you need some expensive jtag box that connects to the computer(It's called the Riff Box), but it would be cheaper if I just sent my phone into here it costs $60. Not ideal, but not a complete disaster either. Unless there is some other way to JTAG I am out of options.
http://mobiletechvideos.mybigcommerce.com/samsung-galaxy-s-iii-jtag-brick-repair/
Thanks.

Telus Root? Custom ROM?

So Im looking into this rooting and custom firmware/ROM deal, and came across a couple questions id like answered if possible.
I'm on Telus, in Canada, and my baseband on my GS3 is I747MVLDLK4. Every thread i see about custom roms and rooting refers to a different baseband, and my question is, what baseband ROMs will work with mine? Or is it even safe to flash this phone with a custom ROM at all?
Ive seen different opinions in other threads and everything seems to conflict, so i need a definite answer as I'd love to get into this whole community and start doing awesome things with my S3, but i don't want to go through a period of not being able to use my phone because i flashed the wrong firmware.
THanks
Danc89 said:
So Im looking into this rooting and custom firmware/ROM deal, and came across a couple questions id like answered if possible.
I'm on Telus, in Canada, and my baseband on my GS3 is I747MVLDLK4. Every thread i see about custom roms and rooting refers to a different baseband, and my question is, what baseband ROMs will work with mine? Or is it even safe to flash this phone with a custom ROM at all?
Ive seen different opinions in other threads and everything seems to conflict, so i need a definite answer as I'd love to get into this whole community and start doing awesome things with my S3, but i don't want to go through a period of not being able to use my phone because i flashed the wrong firmware.
THanks
Click to expand...
Click to collapse
Baseband is the modem package with the phone. There is actually a newer version released. I'm on telus and have flashed almost everything on these boards. If you stay in these threads and it says AT&T you can flash it on our phones
Lots of helpful guides on here to get you started.
Sent from my SGH-I747 using xda app-developers app
KorGuy123 said:
Baseband is the modem package with the phone. There is actually a newer version released. I'm on telus and have flashed almost everything on these boards. If you stay in these threads and it says AT&T you can flash it on our phones
Lots of helpful guides on here to get you started.
Sent from my SGH-I747 using xda app-developers app
Click to expand...
Click to collapse
Thanks a ton, I've been reading up on it lots lol hopefully i can get it done tonight! Newer version of the baseband u say? How would i get ahold of that? When i try to update it tells me everything is already up to date
Don't confuse baseband with a operating system update. There isn't a need to update the baseband. It's just if you are having reception issues.
Sent from my SGH-I747 using xda app-developers app
KorGuy123 said:
Baseband is the modem package with the phone. There is actually a newer version released. I'm on telus and have flashed almost everything on these boards. If you stay in these threads and it says AT&T you can flash it on our phones
Lots of helpful guides on here to get you started.
Sent from my SGH-I747 using xda app-developers app
Click to expand...
Click to collapse
All good and helpful points but I will clarify further just so nothing gets misunderstood.
Baseband = modem. OP needs to flash only Telus modems and not ATT ones. Specifically only use the I747M modems. If you flash the wrong modem you may screw up your device. Tread carefully here.
When KorGuy talks about flashing anything on these boards he is referring to ROMs only. ROMs almost never include a modem in the package so there is no need to worry.
Check out the threads by Tony Stark for good answers.
^ I hope all that makes sense.
KorGuy123 said:
Don't confuse baseband with a operating system update. There isn't a need to update the baseband. It's just if you are having reception issues.
Sent from my SGH-I747 using xda app-developers app
Click to expand...
Click to collapse
haha awesome, thanks, i'll do my best to put the rookie away now
saj222 said:
All good and helpful points but I will clarify further just so nothing gets misunderstood.
Baseband = modem. OP needs to flash only Telus modems and not ATT ones. Specifically only use the I747M modems. If you flash the wrong modem you may screw up your device. Tread carefully here.
When KorGuy talks about flashing anything on these boards he is referring to ROMs only. ROMs almost never include a modem in the package so there is no need to worry.
Check out the threads by Tony Stark for good answers.
^ I hope all that makes sense.
Click to expand...
Click to collapse
Thanks for the clarification.
Sent from my SGH-I747 using xda app-developers app

Port unofficial stock 4.2 rom

Is there any skilled developers that can port the pre-release 4.2 rom released by Samsung for the S3 I9300 so it can be flashed on to my Telus I747M S3.
Ali7000 said:
Is there any skilled developers that can port the pre-release 4.2 rom released by Samsung for the S3 I9300 so it can be flashed on to my Telus I747M S3.
Click to expand...
Click to collapse
You don't want to flash a international version of the firmware to your canadian S3.. That will brick it.
Also, if you searched a little, you'd know that we have 4.2.2 ROMs all over here. Please take a couple hours and go read the stickies.
BWolf56 said:
You don't want to flash a international version of the firmware to your canadian S3.. That will brick it.
Also, if you searched a little, you'd know that we have 4.2.2 ROMs all over here. Please take a couple hours and go read the stickies.
Click to expand...
Click to collapse
Ok and when I bought my phone I did try flashing the other i9300 rom, but it only soft bricked the phone. I easily unbricked it by flashing the stock rom. It's just that I noticed that some developers ported some roms from sprint to AT&T. What I really wanted was multi-window. But thanks anyways.
Ali7000 said:
Ok and when I bought my phone I did try flashing the other i9300 rom, but it only soft bricked the phone. I easily unbricked it by flashing the stock rom. It's just that I noticed that some developers ported some roms from sprint to AT&T. What I really wanted was multi-window. But thanks anyways.
Click to expand...
Click to collapse
Should've been clearer with your question. Either way, don't flash a I9300 ROM
As for multi-window, some ROMs offer that feature but you'll have to search for them as I don't use it myself. Sorry I can't be of more help.
Good luck!
BWolf56 said:
Should've been clearer with your question. Either way, don't flash a I9300 ROM
As for multi-window, some ROMs offer that feature but you'll have to search for them as I don't use it myself. Sorry I can't be of more help.
Good luck!
Click to expand...
Click to collapse
Yah thanks, I'm just waiting for Samsung to finish up with their slow, but awesome 4.1.2 official update.
Ali7000 said:
Yah thanks, I'm just waiting for Samsung to finish up with their slow, but awesome 4.1.2 official update.
Click to expand...
Click to collapse
Its easier to go to and from AT&T, Verizon, Sprint and T-Mobile because of the similar hardware. I'd you need a port its pretty simple.
Unfortunately the international ROM has different hardware (quad core CPU, 1gb ram) which makes it very difficult to port over to our ROMs. Most devs don't even bother.
Sent from my SGH-I747 using xda app-developers app
RPelham said:
Its easier to go to and from AT&T, Verizon, Sprint and T-Mobile because of the similar hardware. I'd you need a port its pretty simple.
Unfortunately the international ROM has different hardware (quad core CPU, 1gb ram) which makes it very difficult to port over to our ROMs. Most devs don't even bother.
Sent from my SGH-I747 using xda app-developers app
Click to expand...
Click to collapse
Oh I see now, thanks for the info.
I am trying to understand that porting process as well. Could you not flash a bootloader and a kernel to make the i9300 rom launch on the i747? Sorry I was just wanting a touchwiz rom that was later than 4.1.1 for the i747. Sorry I am sure this is a ridiculous question but I just want to understand the portion of this that makes it so difficult. Thank you.
lockdown643 said:
I am trying to understand that porting process as well. Could you not flash a bootloader and a kernel to make the i9300 rom launch on the i747? Sorry I was just wanting a touchwiz rom that was later than 4.1.1 for the i747. Sorry I am sure this is a ridiculous question but I just want to understand the portion of this that makes it so difficult. Thank you.
Click to expand...
Click to collapse
They've such different hardware that it would just be a pita to make it compatible.
4.1.2 stock works with i747m
lockdown643 said:
I am trying to understand that porting process as well. Could you not flash a bootloader and a kernel to make the i9300 rom launch on the i747? Sorry I was just wanting a touchwiz rom that was later than 4.1.1 for the i747. Sorry I am sure this is a ridiculous question but I just want to understand the portion of this that makes it so difficult. Thank you.
Click to expand...
Click to collapse
this rom is what your looking for then, works amazing im using it on my i747m and no issues at all... http://forum.xda-developers.com/showthread.php?t=2256033

Flashable 4.1 or 4.2 rom for Metropcs?

So, since the T-Mobile and metro merge I've noticed many t mobile threads and almost none for metro. Figured its safe to post here about my metro gsm s3
Im looking for STOCK 4.1 or 4.2 based roms, preferring pure stock or stock de-odex roms. Maybe even like official Sammy update files.
Anyone know where I can grab them?
Thanks in advance.
Sent from my SGH-T999N using Tapatalk
All T999 Stockmod or custom Roms will work fine with T999N. Just don't try any modems or Stock Firmwares. See this thread for modems specific to your phone.
Perseus71 said:
All T999 Stockmod or custom Roms will work fine with T999N. Just don't try any modems or Stock Firmwares. See this thread for modems specific to your phone.
Click to expand...
Click to collapse
thanks dude.

Looking for AT&T KK port

Sorry if this is addressed elsewhere but i could not find it.
I have a T999. I moved out of TMO coverage and changed to straight talk using AT&T. Everything (call data) works great.
I am looking for a AT&T Kit Kat TW stock port if there is one out there. I looked in the Dev pages and didn't find any.
I can build it if I need to. but need to know, can I just take the stock AT&T rom and change the modem and flash with ODIN or with a custom recovery?
Right now I'm newest stock rooted. I used to do a lot, but it's been a while.
Never flash firmware from another device. Currently there is only likewise. TMS3KK will be out very soon. I've got an NE4 port in the works but just haven't been home much so haven't finished it.
You can flash AT&T roms, but unless properly ported you may have some issues, primarily with the network.
Thanks ... I figured all the radios would be broke. Didn't know if there was any other difference.
I can wait a bit ...
In the at&t section there's a 442 system dump. Its what I've been running. Flashes, runs fine on latest t999 radio
Here ya go. Just flash Ktoonz kernel after ROM.
http://forum.xda-developers.com/showthread.php?t=2788357
Sent from my SAMSUNG-SGH-I747 using XDA Premium 4 mobile app
bobshute said:
Thanks ... I figured all the radios would be broke. Didn't know if there was any other difference.
I can wait a bit ...
Click to expand...
Click to collapse
There is a new ATT KK ROM Port by TalkingMonkeys in Android Development.

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