[Q] Can I revert to StockROM? - Galaxy S III Q&A, Help & Troubleshooting

Hi everybody,
I want to know something.
I'm thinking about flashing Samsung's unofficial ROM with Android 4.2.1.
But, If I flash the 4.2.1-Firmware, can I revert to StockROM?
I heard many things about another Bootloader in this ROM, which is blocking a downgrade... Is it right??
Greeeetzz..
Sent from my GT-I9300 using xda app-developers app

Lots of people have flashed the leak, then gone back to a 4.1 because the leak has too many problems. Yes you can go back to stock if you wish, read the sticky thread in general for guides and video on how to do it.
As always, backup everything first - especially your efs partition.
Asking which ROM is better will just get your thread locked, go try a few ROMs for yourself - keep the results secret.

AW: [Q] Can I revert to StockROM?
boomboomer said:
Lots of people have flashed the leak, then gone back to a 4.1 because the leak has too many problems. Yes you can go back to stock if you wish, read the sticky thread in general for guides and video on how to do it.
As always, backup everything first - especially your efs partition.
Asking which ROM is better will just get your thread locked, go try a few ROMs for yourself - keep the results secret.
Click to expand...
Click to collapse
Wow, is it really buggy? Then I would stay at CyanogenMod..
Sent from my GT-I9300 using xda app-developers app

yeah its really buggy! alot of FC and battery life is not as good as the 4.1.2 official one!

Related

[Q] advantages of aftermarket rom over stock.

Before i try to install a new rom what are the advantages over stock?
Thanks chrisi
See the (rather extensive) features section in the OP of any of the fine ROMs available. I use CherryCrust with the ProDX theme (thanks, Noattach) as well as the Argos font pack ported by Whipon. I am very satisfied with the tweaks and mods that navalynt has ported and/or baked up (many thanks). It is well worth reading up and doing it right (read the directions, warnings and prerequisites 10x over before doing anything!). I hope I answered your question, as I don't really see any other way it can be interpreted. Don't forget the thanks button
-omni
Sent from my MB860 using XDA Premium App
Terradualcore_ftw said:
Before i try to install a new rom what are the advantages over stock?
Thanks chrisi
Click to expand...
Click to collapse
+1 to the person above, each ROM thread has a features list in the first post.
If you are move comfortable with stock rom, you can sort of "create your own rom" by installing stock deodexed 2.3.4 and applying the mods you want from there (themes, custom kernels, battery % mod, tethering mod, webtop mod, sd card fix, etc.....)
Installing all of this is really easy if you have an unlocked CWM recovery.
I installed a custom rom for the first time yesterday (Aura) And im very pleased with the difference! i think you would like it!. even if theres the posibility of bricking your device its worth it.
Terradualcore_ftw said:
Before i try to install a new rom what are the advantages over stock?
Thanks chrisi
Click to expand...
Click to collapse
It really comes down to how bored you are with stock? There are people that have gone down the custom route, and have gone back. It's all about personal preference.
If you are happy with stock, you may wanna stick it out and spend some time reading about the custom kernals. That way when you do eventually get bored, you'll have a much better chance of upgrading successfully.
Definitely try to "Baby steps" your phone as much as possible...
Sent from my MB860 using XDA Premium App
Thanks guys guess i will have to read up on each rom.. a custom rom is basicly the whole OS vs just doing a kernel upgrade? Id really love to go balls out and do the rom but we will see.. there is no way to bring back a bricked device is there? What could cause a brick besides not flashing right? I wish there was someone local that could do the rom for me lol. I guess im going to have to do some reading.
Also i rooted it using fastboot... now whats this i see with unlocking through fastboot? I need to unlock the phone before i can even think about flashing a rom?
Terradualcore_ftw said:
there is no way to bring back a bricked device is there? What could cause a brick besides not flashing right?
Click to expand...
Click to collapse
There are 2 types of bricks; soft and hard. A hard bricked phone turns it into a paperweight. A soft bricked phone can be recovered. There is a sticky post on the developer forum that describes how to avoid hard bricking your phone.
The stock vs custom ROM issue is a truly personal preference as described above. The only way to get more comfortable with it is by reading and doing. READ FIRST!
YES, unlock the bootloader first. i soft bricked mine when i was learning how to do it.

downgrading to 2.3 to be able to root and go to ICS?

Hello,
Have done some searches and I just wanted to see if this is right as my Note was rooted with Gingerbread 2.3 and I stupidly upgraded with Kies to the official AT&T ICS software and lost my root. I have just a few questions.
Would the only way to get a rooted stock ICS rom on the phone (such as those available in the forum) be to downgrade to Gingerbread and root (which I have done before) then install one of the custom "stock" roms to have ICS but have root access? Or am I completely out of luck on rooting a stock ICS Note?
If so, could someone direct me to the thread with downgrading to gingerbread, as a search has not helped me to find instructions for doing so, and with all of the information on this site, I believe it has to be there and that I a just missing it?
Feel free to delete my post if I am completely lost and have posted erroneously in the wrong forum or anything to that effect.
myke nytemare said:
Hello,
Have done some searches and I just wanted to see if this is right as my Note was rooted with Gingerbread 2.3 and I stupidly upgraded with Kies to the official AT&T ICS software and lost my root. I have just a few questions.
Would the only way to get a rooted stock ICS rom on the phone (such as those available in the forum) be to downgrade to Gingerbread and root (which I have done before) then install one of the custom "stock" roms to have ICS but have root access? Or am I completely out of luck on rooting a stock ICS Note?
If so, could someone direct me to the thread with downgrading to gingerbread, as a search has not helped me to find instructions for doing so, and with all of the information on this site, I believe it has to be there and that I a just missing it?
Feel free to delete my post if I am completely lost and have posted erroneously in the wrong forum or anything to that effect.
Click to expand...
Click to collapse
Root with odin like you would on gb but on ICS. Just try the cm9 roms though, it will change your life
You do not need to downgrade to GB to root. What you need to do is boot the phone into download mode, and use Odin to flash a custom recovery (such as CWM). Once you have the custom recovery flashed, you can boot into recovery mode and flash the Superuser or Supersu zip file to give you root. Using this method is the most foolproof way.
Sent from my SAMSUNG-SGH-I717 using Tapatalk
and, you would get better answers if you would post a question in the Q&A thread, not in general...
Look in the custom rom section of this loser's thread...he is such a loser...make sure you flame the hell out of him, but here is his link....
go the custom rom section...you will the awesome ics offical already root...and debloated, and one thread has the pure virgin stock ics ....blah blah blah....
http://forum.xda-developers.com/showthread.php?t=1740367
myke nytemare said:
Hello,
Have done some searches and I just wanted to see if this is right as my Note was rooted with Gingerbread 2.3 and I stupidly upgraded with Kies to the official AT&T ICS software and lost my root. I have just a few questions.
Would the only way to get a rooted stock ICS rom on the phone (such as those available in the forum) be to downgrade to Gingerbread and root (which I have done before) then install one of the custom "stock" roms to have ICS but have root access? Or am I completely out of luck on rooting a stock ICS Note?
If so, could someone direct me to the thread with downgrading to gingerbread, as a search has not helped me to find instructions for doing so, and with all of the information on this site, I believe it has to be there and that I a just missing it?
Feel free to delete my post if I am completely lost and have posted erroneously in the wrong forum or anything to that effect.
Click to expand...
Click to collapse
i can't stand bigjoe. he is such a tool.
Sent from my SAMSUNG-SGH-I717 using xda premium
Why, because he shamelessly promotes his own rom with every chance he gets? Ya that sounds about right.
Sent from my SAMSUNG-SGH-I717 using xda premium
Me tooo...
xshaftx said:
i can't stand bigjoe. he is such a tool.
Sent from my SAMSUNG-SGH-I717 using xda premium
Click to expand...
Click to collapse
jpoirier587 said:
Why, because he shamelessly promotes his own rom with every chance he gets? Ya that sounds about right.
Sent from my SAMSUNG-SGH-I717 using xda premium
Click to expand...
Click to collapse
Think he was kidding...I think...LOL, and I try to promote all...hence the GNote Community thread, with all tools and ROMs and extras...(btw I dont have a ROM, but I do have DD...daily driver for a ROM)
[REF&Road Map]{G-NSET}: Galaxy Note Super Everything Thread (I717)
I will also be features Chef Ramsey dishes and the how to's....
of coarse i was kidding. stupid text and there lack of sounding sarcastic
Sent from my SAMSUNG-SGH-I717 using xda premium
xshaftx said:
of coarse i was kidding. stupid text and there lack of sounding sarcastic
Sent from my SAMSUNG-SGH-I717 using xda premium
Click to expand...
Click to collapse
good to go...no worries...
LOL

First steps

So hello there sgs3 community!
I just received my sgs3 yesterday and wanted to know what should i do first with it?
I mean root and etc, could anyone help me with that?
It depends, are you happy with stock firmware?? Only you can decide buddy, its your phone. I rooted mine because their are a lot of good ROMs out their, each with different assets etc, but mainly because I didn't want to be limited on what I can do with my device, but if you want my opinion, I'd root and flash Tamaseks kang of CM10 naked android is always the best p.s make sure you have the international S3 (quad core) before you flash anything in this section because inevitably you will brick your device if you dont. Good luck buddy
Sent from my GT-I9300 using xda premium
speedyjay said:
It depends, are you happy with stock firmware?? Only you can decide buddy, its your phone. I rooted mine because their are a lot of good ROMs out their, each with different assets etc, but mainly because I didn't want to be limited on what I can do with my device, but if you want my opinion, I'd root and flash Tamaseks kang of CM10 naked android is always the best p.s make sure you have the international S3 (quad core) before you flash anything in this section because inevitably you will brick your device if you dont. Good luck buddy
Sent from my GT-I9300 using xda premium
Click to expand...
Click to collapse
Well I live in Lithuania and on the box says that it's quad core
I'm thinking just rooting it...
Is there any bootloaders (like HTC) i have to unlock?
The S3 comes with an unlocked bootloader out of the box but if you know what you're doing, go ahead buddy but make a backup after rooting
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speedyjay said:
The S3 comes with an unlocked bootloader out of the box but if you know what you're doing, go ahead buddy but make a backup after rooting
Sent from my GT-I9300 using xda premium
Click to expand...
Click to collapse
I have a question, when I root my s3 (CF-Root v6.4) do I need to install any other recoveries or some other programs (like triangleaway) to flash custom roms?
1st Step : Read the stickies
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Arsaw said:
1st Step : Read the stickies
Click to expand...
Click to collapse
They should put that on the box!
edruig said:
I have a question, when I root my s3 (CF-Root v6.4) do I need to install any other recoveries or some other programs (like triangleaway) to flash custom roms?
Click to expand...
Click to collapse
Triangle away isn't a recovery, its just an app that erases the flash counter in case you want to send your device to Samsung for repairs because you should know, unauthorized mods void your warranty. CF-Root has a recovery and will be installed upon flashing with Odin
Sent from my GT-I9300 using xda premium
Heyy,im jumpin in this thread also,got my sgs3 few days ago.
I was an iphone user (poor me) for a long time and started early with jailbreaks etc etc so i know alot about iphone, but this is all new to me and im just starting to get the hang of everything RoMS kernels mods bla bla..
Thinking should i root or not..
anyway my question is when i root my phone is there a how to say switcher between a stock firmware and looks and the other that i put on so if i dont like the new one i just swap and take the stock one?
I know i have to read stickies but there is so much of that and i need a thread from ground up that teaches u. Just got to forum page nr.7
Thanks in advance
Sent from my nokia 3310
asukaj said:
Heyy,im jumpin in this thread also,got my sgs3 few days ago.
I was an iphone user (poor me) for a long time and started early with jailbreaks etc etc so i know alot about iphone, but this is all new to me and im just starting to get the hang of everything RoMS kernels mods bla bla..
Thinking should i root or not..
anyway my question is when i root my phone is there a how to say switcher between a stock firmware and looks and the other that i put on so if i dont like the new one i just swap and take the stock one?
I know i have to read stickies but there is so much of that and i need a thread from ground up that teaches u. Just got to forum page nr.7
Thanks in advance
Sent from my nokia 3310
Click to expand...
Click to collapse
The only way of switching to and from custom and stock, is to root, make a nandroid backup then flash custom firmware. The only downside is that your official firmware will always be rooted, unless you start afresh with Odin hope this helps buddy, welcome btw, good choice in switching from iPhone to S3....you won't regret it
Sent from my GT-I9300 using xda premium
asukaj said:
Heyy,im jumpin in this thread also,got my sgs3 few days ago.
I was an iphone user (poor me) for a long time and started early with jailbreaks etc etc so i know alot about iphone, but this is all new to me and im just starting to get the hang of everything RoMS kernels mods bla bla..
Thinking should i root or not..
anyway my question is when i root my phone is there a how to say switcher between a stock firmware and looks and the other that i put on so if i dont like the new one i just swap and take the stock one?
I know i have to read stickies but there is so much of that and i need a thread from ground up that teaches u. Just got to forum page nr.7
Thanks in advance
Sent from my nokia 3310
Click to expand...
Click to collapse
Once you rooted your phone which also include cwm, you can backup your rom with cwm and flash other rom. If you don't like it, use cwm to restore your previous rom
Sent from my GT-I9300 using xda app-developers app
Most important: back up EFS! Store it somewhere safe, because if anything goes wrong, you're going to be very happy you've got a backup
See the countless IMEI 00000000 threads
Sent from my GT-P6200 using xda app-developers app

[Q] Newer ROM flash clarification

I'm curious about something regarding the newer ROMs in the dev forum. Why do so many of the newer ROMs coming out insist that you have to be on the JB OTA before flashing? I'm familiar with flashing on other phones where you just wipe and flash, and move on with life. Does this have to do with the radio/modem? And if that's the case, could you not just flash the ROM and then a modem? I'm just trying to get some clarification stemming from genuine confusion.
Not really sure but could it maybe have something to do with the trust/compatibility deal thing?? Idk I was wondering the same question in op. By no means is this the answer I was just throwing this out there. Hopefully someone can shed some light.
http://forum.xda-developers.com/showthread.php?t=2229568
Sent from my LG-E970 using xda app-developers app
No, that link did clear it up. Not sure how I missed it before, but whatever. Seems to be a security feature for the newer ROMs, if I read that post correctly.
Its not just a security feature, but that's the gist of it. Adam Outler explains it http://www.xda-developers.com/android/trustzone-a-dimension-of-multiple-worlds/ .
aaronius said:
I'm curious about something regarding the newer ROMs in the dev forum. Why do so many of the newer ROMs coming out insist that you have to be on the JB OTA before flashing? I'm familiar with flashing on other phones where you just wipe and flash, and move on with life. Does this have to do with the radio/modem? And if that's the case, could you not just flash the ROM and then a modem? I'm just trying to get some clarification stemming from genuine confusion.
Click to expand...
Click to collapse
No, its the tz partition that is only changed throught the OTA/LGNSPTing that is needed. I'm not quite sure of all the specifics, but this tz partition is what you need to flash these new roms.
Excellent explanation, much thanks. Quick follow up question now... Once the OTA update is done, is that more or less permanent for the purposes of ROM flashing? In other words, does the phone have to be put back to stock every time I want to change ROMs?
Sent from my LG-E970 using xda app-developers app
You only need to do it would once. Once the tz is put in place it stays, unless you lgnpst to the n4 conversion or to ICS. Flashing a ROM in recovery won't change it.
Beautiful. That's what I figured, but better to ask before bricking my phone. Thanks again.
Sent from my LG-E970 using xda app-developers app
C2fifield said:
No, its the tz partition that is only changed throught the OTA/LGNSPTing that is needed. I'm not quite sure of all the specifics, but this tz partition is what you need to flash these new roms.
Click to expand...
Click to collapse
Nice. Thank u for clarification. Much appreciated.
Sent from my LG-E970 using xda app-developers app
So I flashed one of these roms,Vanilla rootbox to be exact. Can I now flash any of these newer roms or do i need to go back to the stock 4.1.2 before flashing another one of these roms?
taormania said:
So I flashed one of these roms,Vanilla rootbox to be exact. Can I now flash any of these newer roms or do i need to go back to the stock 4.1.2 before flashing another one of these roms?
Click to expand...
Click to collapse
Standard "I'm not a developer but..." disclaimer here. You can either revert to the stock ICS build and get the OTA update, then re-root/unlock, or I seem to remember a flashable stock 4.1.2 zip file in the development section that is supposed to take care of the TZ stuff to let you move on with life.
Feel free to correct me if that's not good information, though.
aaronius said:
Standard "I'm not a developer but..." disclaimer here. You can either revert to the stock ICS build and get the OTA update, then re-root/unlock, or I seem to remember a flashable stock 4.1.2 zip file in the development section that is supposed to take care of the TZ stuff to let you move on with life.
Feel free to correct me if that's not good information, though.
Click to expand...
Click to collapse
I already lngpost-ed to the 4.1.2 and then rooted and then flashed one of these newer roms. My question is really can I go from one of these roms to another without going back to the stock 4.1.2 and rooting again?
That is my understanding. Once you have the TrustZone partition set up from the stock JB, it's there and you don't have to mess with it again. Unless you do something that kills it, like go back to an ICS rom.
Sent from my LG-E970 using xda app-developers app
aaronius said:
That is my understanding. Once you have the TrustZone partition set up from the stock JB, it's there and you don't have to mess with it again. Unless you do something that kills it, like go back to an ICS rom.
Sent from my LG-E970 using xda app-developers app
Click to expand...
Click to collapse
Sweet. Thanks for the help. I'll post back if for some reason it does not work
Good question OP, I was wondering the same thing and this LGNPST thing is confusing.
So, I am currently running SnowJB (which I believe is 4.1.2?)
Do I need to do the LGPNST in order to install these newer ROMs, such as Vanilla Rootbox? Or am I all set to go ahead and flash new ROM?
To anyone confused, ask yourself...
Did you receive the 4.1.2 (JB) update over the air OR did you use lgnpst to flash to 4.1.2?
If yes, then you can begin flashing as usual without having to lgnpst every time you change ROMs.
If you haven't used one of these methods then you need to do one first before flashing the new ROMs.
Simple as that.
Sent from my LG-E970 using xda app-developers app
TangoXray said:
To anyone confused, ask yourself...
Did you receive the 4.1.2 (JB) update over the air OR did you use lgnpst to flash to 4.1.2?
If yes, then you can begin flashing as usual without having to lgnpst every time you change ROMs.
If you haven't used one of these methods then you need to do one first before flashing the new ROMs.
Simple as that.
Sent from my LG-E970 using xda app-developers app
Click to expand...
Click to collapse
Nuff said. Couldn't b any clearer . Thanks:thumbup::thumbup:
Sent from my LG-E970 using xda app-developers app

s3 4.0.4

Is it possible to downgrade to 4.0.4 from 4.1.2?
abubakarsohail said:
Is it possible to downgrade to 4.0.4 from 4.1.2?
Click to expand...
Click to collapse
First, That is not an Downgrade,it's an Update xD
Second: Yes,you can update your phone to Android 4.1.2 (or 4.3,4.4 etc. using the Various Guide you find in General or Developer Question)
:laugh:
Niko99ITA said:
First, That is not an Downgrade,it's an Update xD
Second: Yes,you can update your phone to Android 4.1.2 (or 4.3,4.4 etc. using the Various Guide you find in General or Developer Question)
:laugh:
Click to expand...
Click to collapse
I know what I wrote I am asking if I can downgrade to 4.0.4 from 4.1.2?
Means what I want to say is that is it possible to downgrade to ICS from 4.1.2 JB?
I believe you can but what's the point? More battery life isn't worth the risk of the insane chip sudden death syndrome.
Sent from my GT-I9300
Niko99ITA said:
First, That is not an Downgrade,it's an Update xD
Second: Yes,you can update your phone to Android 4.1.2 (or 4.3,4.4 etc. using the Various Guide you find in General or Developer Question)
:laugh:
Click to expand...
Click to collapse
acrossy said:
I believe you can but what's the point? More battery life isn't worth the risk of the insane chip sudden death syndrome.
Sent from my GT-I9300
Click to expand...
Click to collapse
Look I flashed 4.0.4 BTU on my phone but then I was getting no signal no gsm connectivity
I guess I had a corrupted IMEI
If you do weird things to your phone then you will break it. Efs v2 will not be read by 4.0 firmware, there is no way to downgrade.
Questions go in the q&a forum. Report your own post and ask a moderator to move it.
Sent from my GT-I9300 using Tapatalk
you have to flash 4.1.2 or newer to retreive your imei back
Sent from my GT-I9300 using XDA Premium 4 mobile app
I think there is some way, but you would need a backup of EFS v1 (if im not mistaken). Basically its a long and tedious process and i know that JB is complete crap on the SIII and that ICS ran alot better, but i dont think its currently worth the effort to downgrade, just wait for KK.
Also sudden death only affects 16GB variants.
What about for example if I'm using slim kat 4.4.2 right now, is it possible to downgrade back to stock rom 4.3 by flashing it? I remember I did it before, is it risky like this scenario?
revilionz said:
What about for example if I'm using slim kat 4.4.2 right now, is it possible to downgrade back to stock rom 4.3 by flashing it? I remember I did it before, is it risky like this scenario?
Click to expand...
Click to collapse
You can flash a 4.3 rom over slim kat. Just do a clean install. I have been hopping between cm11 and stock 4.3 for quite some time and have not had issues.

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