[Q] bootloader and mobile odin - Galaxy S III Q&A, Help & Troubleshooting

I installed the official 4.3 firmware via mobile odin pro. afaik mobile odin does not flash or update the bootloader. everything seems fine . my question is, is there any reason to install the new bootloader? using pc odin perhaps from the leak files? im thinking as long as the bootloader i have works it is best to leave it alone. also is there a utility that can identify which bootloader i have?

Afaik the bootloader is irrelevant to the rom or recovery, some people still have the ICS bootloader to avoid the flash counter increasing (even with the danger of SDS it brings).
I read that the newest 4.3 has a 'warranty bit' register, but if that is any different to the normal JB bootloader I don't know.
For the moment I'd wait, it won't do any harm.

I've got ics bootloader still
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rootSU said:
I've got ics bootloader still
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I'm also using the old ICS bootloader here @rootSU just got a question... can it still be used on the 4.3 official firmware?

I've not used official firmware but I can't think of a reason why not
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Related

Reset flash counter to 0 when status is normal

OK something is wrong with my Samsung Galaxy S III SIM and it's not the SIM itself. So I have to return the phone.
I unrooted the device and the status is showing: NORMAL. But... flash counter says: 4 and I'm afraid they won't accept it like this.
Question:
Do I have to root the device again to be able to use Triangle Away OR
is there any way I can reset the flash counter to 0 when unrooted as it now?
Thanks a bunch!
Alex
Yes. You need to re-root.
Read the full fix thread in general > sticky roll-up thread to see how you should reset with triangle away
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Xaninha said:
OK something is wrong with my Samsung Galaxy S III SIM and it's not the SIM itself. So I have to return the phone.
I unrooted the device and the status is showing: NORMAL. But... flash counter says: 4 and I'm afraid they won't accept it like this.
Question:
Do I have to root the device again to be able to use Triangle Away OR
is there any way I can reset the flash counter to 0 when unrooted as it now?
Thanks a bunch!
Alex
Click to expand...
Click to collapse
Yup u do have to root your phone and remember it only works on the stock kernel so dont try flashing one
Rooted again what now?
Hmm... I have just rooted the phone again following these instructions.
reviews.cnet.co.uk/mobile-phones/how-to-root-your-samsung-galaxy-s3-50008588/
Phone is now rooted and went back to Status: Modified.
Now... the Triangle Aways, right?
I may brick my phone, it says... GLUP!!!
Alex
Its just a disclaimer...
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SUCCESS!
SUCCESS! NOW BACK TO UNROOT PROCESS...!
Flash Counter doesn't even show up!
May I unroot with Super SU (full unroot option) or should I go back to Odin and install Samsung Rom?
Thanks!
rootSU said:
Its just a disclaimer...
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Depends if you have stock recovery or not... I'd reflash with Odin
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Didn't work... =(
I reflashed it but to no avail. Status is Modified. But no Super Su installed which I find weird.
Any ideas?
Thanks!
QUOTE=rootSU;46023063]Depends if you have stock recovery or not... I'd reflash with Odin
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You have to factory reset after the flash
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Eureka!
It worked! It worked!
You're very efficient, smart and generous.
Thank you very much!
Alex
rootSU said:
You have to factory reset after the flash
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Warranty went poof
Well... after my tiny adventure of turning my phone into a virgin and immaculate device... I went to Vodafone for a repair. They have samsung tech people there. And after two days, they said they would repair the phone for 264 USD because the garanty was voided. Then they handed me a print-screen with the IMEI in the physical device and another with a window saying IMEI: null/null.
I didn't make a fuss about it and left. Later I typed *#06# and to my surprise I saw my complete IMEI. I rooted the phone again.
I have no idea where they saw the null/null but I have the feeling that due to flash roms or some software installation I screwed the original IMEI.
This guy here www.sammobile.com/forum/showthread.php?t=13140 seems to have solved the issue... problem is I have no EFS backup, and in the EFS folder I have no " .nv_data" file. Only ".nv_data.bak". I copied this file to ",nv_data." and rebooted but to no avail.
So to sum it up... I no longer suspect that it's physical problem related to the sim socket but it's a firmware issue due to software installation, which one I don't have a clue. I only run CF-Root to root and I only applied the ROMs presented in samMobile.
I must have the EFS corrupted in some way. Gah.
Thank you for your atention.

[Q] Help No recovery, Odin wont work

Hi,
I tried to flash my s3 with a rom now when it loads it gets stuck and says unfortunately setup wizard has stopped and does not go any further, I have also deleted my backup I had and odin wont load my phone up when I connect it.
Does anyone have any ideas on what I can do
Thanks
What rom?
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rootSU said:
What rom?
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Paranoid android the 4.3 jelly bean
So what actually happens when you boot into recovery manually?
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rootSU said:
So what actually happens when you boot into recovery manually?
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Its fine I have managed to fix its thanks anyway

How to sim unlock?

Anyone here has done it? What do I need?
I've still a year left in my contract and want to sim unlock the phone to give it to a family member who is on another carrier.
Does the unlock stay if you install different ROMS, restore to factory reset and all?
Thanks.
It depends if your rom is mg4 (July) or newer then there are no free ways to unlock
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rootSU said:
It depends if your rom is mg4 (July) or newer then there are no free ways to unlock
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Just checked and it's MG4.
I can't sim unlock?
I don't have the S3 anymore, but you could try flashing and older firmware using Odin and then use this app: https://play.google.com/store/apps/details?id=com.spocky.galaxsimunlock&hl=en, if not available in your country, try the one by SuperCurio: http://project-voodoo.org/android-apps
Sensamic said:
Just checked and it's MG4.
I can't sim unlock?
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the only option is to purchase an unlock code. Make sure you buy one that offers refund if fail
eksasol said:
I don't have the S3 anymore, but you could try flashing and older firmware using Odin and then use this app: https://play.google.com/store/apps/details?id=com.spocky.galaxsimunlock&hl=en, if not available in your country, try the one by SuperCurio: http://project-voodoo.org/android-apps
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This wont work. Problem is EFS v2, no way to downgrade without EFS v1 backup
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I see, I always remember to backup my EFS folder with Samsung phones. I don't like what Samsung been doing with all these locking.
What do you mean purchase an unlock code? Haven't heard of that before.
Where can I get one?
Sensamic said:
What do you mean purchase an unlock code? Haven't heard of that before.
Where can I get one?
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What? You've been able to buy an unlock code from the carrier or websites since the beginning of time. Every locked mobile phone in the world supports this
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rootSU said:
What? You've been able to buy an unlock code from the carrier or websites since the beginning of time. Every locked mobile phone in the world supports this
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Great. Will search on the web for websites that sell them and then call my carrier.
So that's the only way for me to sim unlock?
Will it work if I update the phone to 4.3 (the leak firmware or the official one when it's released)?
Thanks.
Code unlock is permanent. Buy one with money back guarantee
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rootSU said:
Code unlock is permanent. Buy one with money back guarantee
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Found a website called doctorsim. Seems reliable from comments and all. Just sent them an email.
I hope they can sim unlock phones which are still under contract.
Sensamic said:
I hope they can sim unlock phones which are still under contract.
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Of course they can. That's the whole point
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[Q] Unlock sim

Hey guys I have a question. I if I roll back to android 4.1.1 and unlock the sim for free can I put back the 4.1.2 or later androids and the sim will stay unlocked ?
Depends. If you've ever flashed mg4 or newer - no.
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rootSU said:
Depends. If you've ever flashed mg4 or newer - no.
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I don't have the phone, I would buy it from a guy but it's carrier locked ( Orange Romania ) and I have a different carrier and he told me he has jz05k.i9300xxemg4. so Is there a way to unlock my sim free no charge ?
No
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rootSU said:
No
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Ok thanks for the information. I think I will pass the phone then

Can I root i9300 with jb 4.3 without odin?

please
I've a problem with usb port on my i9300. I can't use Odin in Downloading mode.
Can I do root with another way?
Thank you
v.carrieri said:
please
I've a problem with usb port on my i9300. I can't use Odin in Downloading mode.
Can I do root with another way?
Thank you
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Same reply as your other thread, Mobile Odin
killall said:
Same reply as your other thread, Mobile Odin
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Mobile odin requires root, ergo cannot be used to root.
Im not thinking of any way without pc connection. Framaroot hasn't worked for ages but its worth testing if no one else has
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so the old method of CWM install.zip?
Nothing like that you know?
No
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Can he push a kernel with su binary on adb without su comand?
Sent From My Galaxy S III Using XDA Premium 4
Only with custom recovery
Every option I can think of relies on something he doesn't have
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