Telus Root? Custom ROM? - AT&T, Rogers, Bell, Telus Samsung Galaxy S III

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

Related

Are US and International Note II ROMs compatible?

The US variants wont have the multitasking bar. Can we root then flash the cooked international ROMs which provide this instead?
I've been meaning to ask this as well.
just picked up my Note 2 for T-Mobile and would like to know as well. i'm assuming yes since internally the US variants and international are the same except for the modem. i'm itchin to flash a rom on this...
i read post one thread they try flash G7100 rom over G7105 and got stuck in boot loop. You can search in general thread and find out
i specifically want to know about using a TMOB variant on AT&T
Ditto on the OP question...waiting in front of TMO US tore now and hoping to get ARHD 3.0 on this bad boy ASAP!
I sure do hope it would work...
Sent from my HTC One X using xda premium
I am sure some dev will cook something up, since all the phones have the exact same hardware (for the first time!), Can't wait...
Me Too
recondo1202 said:
Ditto on the OP question...waiting in front of TMO US tore now and hoping to get ARHD 3.0 on this bad boy ASAP!
I sure do hope it would work...
Sent from my HTC One X using xda premium
Click to expand...
Click to collapse
SAME
:laugh:
I'm itching for root...and a port of paranoid.
Root is fine In my exp, but flashing international ROM gives you the wrong baseband and you loose cell services.
luser01 said:
Root is fine In my exp, but flashing international ROM gives you the wrong baseband and you loose cell services.
Click to expand...
Click to collapse
just don't flash the radio (modem). probably needs some RIL fixin' and what not. then i think these roms will work across most variants.
I believe it has something to do with isis. The rep told me that all SIMs are isis now.
To maintain security, I am guessing it has to be the TMO baseband.
I could be wrong.
na7q said:
just don't flash the radio (modem). probably needs some RIL fixin' and what not. then i think these roms will work across most variants.
Click to expand...
Click to collapse
luser01 said:
Root is fine In my exp, but flashing international ROM gives you the wrong baseband and you loose cell services.
Click to expand...
Click to collapse
that's easy. just flash the correct modem from the carrier. this is going to be fun.
Yeah, this should work just fine. Does anyone have the modem files?
I have a request into Samsung for a complete dump for recovery, but no word yet.
I flashed Omega 4.1 which had a modem in it. :/
JoJo2211 said:
that's easy. just flash the correct modem from the carrier. this is going to be fun.
Click to expand...
Click to collapse
luser01 said:
Yeah, this should work just fine. Does anyone have the modem files?
I have a request into Samsung for a complete dump for recovery, but no word yet.
I flashed Omega 4.1 which had a modem in it. :/
Click to expand...
Click to collapse
http://www.sammobile.com/firmware/?page=3&model=SGH-T889&pcode=0&os=1&type=1#firmware
you might be able to extract the radio out of one of those OTA updates. not sure if there is one or not.

Flashing other device roms

So a friend of mine told me i could flash roms from other carriers is this true? He has the gs3 from t mobile but i don't want to flash a rom from t mobile if it could possibly brick or cause problems.
Sent from my SPH-L710 using xda premium
He's wrong. Unless a ROM is ported, it runs a risk of being incompatible and could potentially brick your phone. Even then, a ported ROM may come with certain bugs &/or stability issues.
This is especially true for ROMS intended for the International GS3.
ROM - OdexedBlue
Baseband - LJ7
Kernel - Stock LI3
XDA Premium - Support our developers, modders, themers, and other contributors!
DrgnRebrn said:
He's wrong. Unless a ROM is ported, it runs a risk of being incompatible and could potentially brick your phone. Even then, a ported ROM may come with certain bugs &/or stability issues.
This is especially true for ROMS intended for the International GS3
Click to expand...
Click to collapse
.Not true. May come with bugs but flashing roms for another US variant of the S3 is safe just make sure there are no modems in it. As long as its for a US Gs3 than its safe. Open the zip and if all you see is META-INF,system and boot.img you will be fine flashing it. Bugs can be expected tho and your screen orientation in landscape mode will probably be flipped. The part about the intl version is true tho. Dont flash those.
billard412 said:
.Not true. May come with bugs but flashing roms for another US variant of the S3 is safe just make sure there are no modems in it. As long as its for a US Gs3 than its safe. Open the zip and if all you see is META-INF,system and boot.img you will be fine flashing it. Bugs can be expected tho and your screen orientation in landscape mode will probably be flipped. The part about the intl version is true tho. Dont flash those.
Click to expand...
Click to collapse
So it will be ok to flash a ROM for a GSM phone in a CDMA phone?
Like Tmo or ATT on Sprint?
Sent from my O=O
csmasn said:
So it will be ok to flash a ROM for a GSM phone in a CDMA phone?
Like Tmo or ATT on Sprint?
Sent from my O=O
Click to expand...
Click to collapse
Here is a good example: there is a note 2 ROM that is said to be usable across all carriers posted in the dev section. However many users see a lot of bugs with flashing it (signal drops is a big one). Phone works, just not as expected or usefuly.
Sent from my SPH-L710 using xda app-developers app
dante32278 said:
Here is a good example: there is a note 2 ROM that is said to be usable across all carriers posted in the dev section. However many users see a lot of bugs with flashing it (signal drops is a big one). Phone works, just not as expected or usefuly.
Sent from my SPH-L710 using xda app-developers app
Click to expand...
Click to collapse
Not a good example as the note 2 has many differences and is alot harder to port(hence the instability). Theres alot to change like screen size, a different processor etc. This will at least run and data will probably work but its not guaranteed. It will not brick you though.
---------- Post added at 04:23 AM ---------- Previous post was at 04:22 AM ----------
I like alot of tmo roms we dont have. Im usually running one
billard412 said:
.Not true. May come with bugs but flashing roms for another US variant of the S3 is safe just make sure there are no modems in it. As long as its for a US Gs3 than its safe. Open the zip and if all you see is META-INF,system and boot.img you will be fine flashing it. Bugs can be expected tho and your screen orientation in landscape mode will probably be flipped. The part about the intl version is true tho. Dont flash those.
Click to expand...
Click to collapse
That's good to know. I knew about the baseband part already, but got the rest of my information from reading the sticky thread in Android Development about how not to brick your phone. I've flashed a tmo kernel (Morfic's Trinity) and experienced excellent results - right up until I tried taking ng a picture and discovered that the auto rotate was reversed and everything was upside down in landscape.
ROM - OdexedBlue
Baseband - LJ7
Kernel - Stock LI3
XDA Premium - Support our developers, modders, themers, and other contributors!
So if the auto rotation is backwards is there a way to fix that? Or is it something you would just have to deal with? I like some of the t mobile roms he uses but if its buggy i probably won't even bother. How can you tell if it is an international rom or us?
Sent from my SPH-L710 using xda premium
billard412 said:
.Not true. May come with bugs but flashing roms for another US variant of the S3 is safe just make sure there are no modems in it. As long as its for a US Gs3 than its safe. Open the zip and if all you see is META-INF,system and boot.img you will be fine flashing it. Bugs can be expected tho and your screen orientation in landscape mode will probably be flipped. The part about the intl version is true tho. Dont flash those.
Click to expand...
Click to collapse
If there is a modem in the zip woukd it be safe to just remove it and flash a sprint modem after the initial rom flash or transfer a sprint modem into the zip file prior to a flash? Where would the "META INF" file be located to verify the flash would work?
Sent from my SPH-L710 using xda premium
XBMC4LIFE said:
If there is a modem in the zip woukd it be safe to just remove it and flash a sprint modem after the initial rom flash or transfer a sprint modem into the zip file prior to a flash? Where would the "META INF" file be located to verify the flash would work?
Sent from my SPH-L710 using xda premium
Click to expand...
Click to collapse
META-INF is a folder at the base of the zip. If there is a modem you can remove it and replace with a sprint one to make it easier. You could also remove it but that might require a edit to the updater-script and that can be a pain in the ass if ur not real familiar with the process. If you choose to remove it then flashing another is not needed since itll be untouched. but as said probably easiest to just replace. I recommend 7zip if u need to do that

[Q] Any body can fix this kernel(boot.img) from i535 LK3 to our L710

When I flash this boot.img from SCH-i535 LK3 rom,G-Senor is opposite,for example,when browser shows Horizontal screen,address bar is on the top.Any body can fix this kernel? You can email me [email protected].
Re: [Q] Any body can fix this kenrel(boot.img) from i535 LK3 to our L710
meiyijun001 said:
When i flash this boot.img from SCH-i535 LK3 rom,G-Senor is opposite,for example,when browser shows Horizontal screen,address bar is on the top.Any body can fix this kenrel?
Click to expand...
Click to collapse
Using kernels from the other variants gives us this problem. Early T-Mo JB leaks that were ported over to our device had this bug present. From what I remember, it's due to a slight difference in sensors used or a difference in how the sensors were implemented within the kernel. Anywho, it should be possible to fix seeing as how kernel source has been released. May I inquire as to why you want to flash another variant's boot.img though?
Also, next time remember to post your questions within the question sub forum. This is the development sub forum and is intended for developers to post their work.
Sent from my SPH-L710 using xda premium
Re: [Q] Any body can fix this kenrel(boot.img) from i535 LK3 to our L710
Questions go in Q&A
Thread moved
Sent from my SPH-L710 using xda premium
Any body can fix it,thanks!
You shouldn't be flashing anything made for a different phone. I really doubt any dev will try and port a kernel, but I may be wrong. You're lucky you didn't brick your phone.
metalfan78 said:
You shouldn't be flashing anything made for a different phone. I really doubt any dev will try and port a kernel, but I may be wrong. You're lucky you didn't brick your phone.
Click to expand...
Click to collapse
sch-i535,sgh-i747,sgh-t999 and our device are the same,it dosn't matter.
Yes it does matter, different models, different carriers, different software. There may be little differences but there are still differences.
metalfan78 said:
Yes it does matter, different models, different carriers, different software. There may be little differences but there are still differences.
Click to expand...
Click to collapse
Yes,so I want to fix this kernel to our device,any body can guide me?
meiyijun001 said:
sch-i535,sgh-i747,sgh-t999 and our device are the same,it dosn't matter.
Click to expand...
Click to collapse
You keep thinking that and flashing crap from other devices, just don't come crying here when you're hard bricked. Not exactly sure why you want a stock kernel from another device anyways its not gonna be any different from the sprint s3 stock kernel except the different drivers needed for the different hardware.
I like to break stuff!
-EViL-KoNCEPTz- said:
You keep thinking that and flashing crap from other devices, just don't come crying here when you're hard bricked. Not exactly sure why you want a stock kernel from another device anyways its not gonna be any different from the sprint s3 stock kernel except the different drivers needed for the different hardware.
I like to break stuff!
Click to expand...
Click to collapse
I flash it to L710,it's OK.It just has some bugs.
meiyijun001 said:
I flash it to L710,it's OK.It just has some bugs.
Click to expand...
Click to collapse
Yea theres no point in porting a stock kernel when theres already a working version of the same damn thing available.
I like to break stuff!

Updating Radio/Modem

Hello guys, sorry if this is a noob question for you Sammy guys (I'm more used to Nexus devices), but I was wondering if it is possible to update the baseband version on this device? More specifically, I was wondering if I could update to an international radio/modem? If not, does anyone know where to find the latest radios for each device. I tried searching but only could come up with an older thread for the version I already have (MDL). On my Nexus One and HTC One S we could flash any baseband we wanted, international or carrier release. Thanks!
Closed Source Project said:
Hello guys, sorry if this is a noob question for you Sammy guys (I'm more used to Nexus devices), but I was wondering if it is possible to update the baseband version on this device? More specifically, I was wondering if I could update to an international radio/modem? If not, does anyone know where to find the latest radios for each device. I tried searching but only could come up with an older thread for the version I already have (MDL). On my Nexus One and HTC One S we could flash any baseband we wanted, international or carrier release. Thanks!
Click to expand...
Click to collapse
No.
Do not flash any radio other than the ones made for your device. At best it won't boot. At worst it won't let you Odin back to the correct radio and it will never boot.
Skipjacks said:
No.
Do not flash any radio other than the ones made for your device. At best it won't boot. At worst it won't let you Odin back to the correct radio and it will never boot.
Click to expand...
Click to collapse
Sucks we have to wait for T-Mobile to finally release an update. I knew I should have just went for the i9505 international variant lol. Never again buy from a carrier! Thanks tho, saved me some fun time tooling around in Odin and losing my files.
Closed Source Project said:
Sucks we have to wait for T-Mobile to finally release an update. I knew I should have just went for the i9505 international variant lol. Never again buy from a carrier! Thanks tho, saved me some fun time tooling around in Odin and losing my files.
Click to expand...
Click to collapse
Yeah but a new modem update by itself will probably never be a super improvement. So you probably aren't missing out on much.
Its not like an updated modem will let you talk to the Moon or something.
Sent from your phone. You should be more careful where you leave that thing.
Skipjacks said:
Yeah but a new modem update by itself will probably never be a super improvement. So you probably aren't missing out on much.
Its not like an updated modem will let you talk to the Moon or something.
Sent from your phone. You should be more careful where you leave that thing.
Click to expand...
Click to collapse
Lol.
Sent from my SGH-M919 using xda app-developers app
Skipjacks said:
Yeah but a new modem update by itself will probably never be a super improvement. So you probably aren't missing out on much.
Its not like an updated modem will let you talk to the Moon or something.
Sent from your phone. You should be more careful where you leave that thing.
Click to expand...
Click to collapse
LOL. what he's trying to do (my guess) is to use the i9505 4.3 roms. Unfortunately you will LOSE data connection (with the screen off) without the newer radios.
No option unfortunately but wait.
dannyben said:
LOL. what he's trying to do (my guess) is to use the i9505 4.3 roms. Unfortunately you will LOSE data connection (with the screen off) without the newer radios.
No option unfortunately but wait.
Click to expand...
Click to collapse
yeap that is what we are all waiting for to be able to use touchwiz 4.3
dannyben said:
LOL. what he's trying to do (my guess) is to use the i9505 4.3 roms. Unfortunately you will LOSE data connection (with the screen off) without the newer radios.
No option unfortunately but wait.
Click to expand...
Click to collapse
Spot on. Apparently, T-Mo is supposed to release their 4.3 update early to mid November (consult General Section for source). Then and only then would we be able to use a 4.3 TW ROM without cell network wonking out like a drunk. Hopefully T-Mobile could be at least 1/3rd useful this time and actually push out an update for once.. (you can feel my hatred towards carriers...... =.=).
EDIT: SOURCE THREAD, towards the last few pages starts the talk of the rumored T-Mo Nov. release.
Closed Source Project said:
Spot on. Apparently, T-Mo is supposed to release their 4.3 update early to mid November (consult General Section for source). Then and only then would we be able to use a 4.3 TW ROM without cell network wonking out like a drunk. Hopefully T-Mobile could be at least 1/3rd useful this time and actually push out an update for once.. (you can feel my hatred towards carriers...... =.=).
EDIT: SOURCE THREAD, towards the last few pages starts the talk of the rumored T-Mo Nov. release.
Click to expand...
Click to collapse
Yes... Scheduled for 11/18. And it wouldn't be coming either if they weren't forced to by Samsung. They've got lots of watches to sell!!!
Sent from my SGH-M919 using Tapatalk
So OMG. ..no one can extract the modem on the tmobile dump?
Sent from my GT-I9505 using Tapatalk 2
re: 4.3 dump
epsix said:
So OMG. ..no one can extract the modem on the tmobile dump?
Sent from my GT-I9505 using Tapatalk 2
Click to expand...
Click to collapse
There is no M919 Tmobile 4.3 dump.
That's the problem, the only dump and the flashable zipfile rom
available as of yet is for the international versions of the S4's.
Flashing an international version of the 4.3 rom into our M919
phones even if it worked properly we would be losing wifi calling
and most like the LTE feature plus who knows what else.
You are wrong there is a t mobile4.3 dump for very long posted in general section : http://forum.xda-developers.com/showthread.php?t=2478553
Sent from my SGH-M919V using Tapatalk 4
We CAN run the TW 4.3 ROMs and have full LTE as normal (except for Wi-Fi calling b/c that's a T-Mo specific feature), the only issue is that data randomly cuts in and out. I don't understand how I could run AOSP 4.3 with no issues but 4.3 TW gives problems...
The thing is, only us T-Mo users have data issues, not the international or any other carrier. So it MUST be the radio version that is the cause of the problems, which is why we must wait for T-Mo to finally release an update...
Has anyone dare to flash international MJ5, JM6 modem? I mean our bootloader is unlock right? If it don't work can we just flash back our old modem? Just a thought.
Sent from my GT-I9505 using Tapatalk 2
Netuser said:
You are wrong there is a t mobile4.3 dump for very long posted in general section : http://forum.xda-developers.com/showthread.php?t=2478553
Sent from my SGH-M919V using Tapatalk 4
Click to expand...
Click to collapse
Not a full dump. Only partial dump as the OP of that thread didn't want to root for fear of triggering Knox, and he had to return the device to tmobile.
☞ Sent from here☜???

[Q] Roms for T999L T-Mobile

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
Click to expand...
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
Click to expand...
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

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