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Hi!
I'm just wondering if it's safe to flash the old GB bootloader, the one that allows to use the USB JIG to reset flash counter, and stays with this old bootloader, while using JB ROMs (mainly AOKP or CM).
Is someone using this old GB bootloader with newer JB ROMs??
Thanks in advance.
andr01d3 said:
Hi!
I'm just wondering if it's safe to flash the old GB bootloader, the one that allows to use the USB JIG to reset flash counter, and stays with this old bootloader, while using JB ROMs (mainly AOKP or CM).
Is someone using this old GB bootloader with newer JB ROMs??
Thanks in advance.
Click to expand...
Click to collapse
yeah go ahead boot loader doesnt affect the android version on our devices
i am still using the bootloader my phone shipped with
bluefa1con said:
yeah go ahead boot loader doesnt affect the android version on our devices
i am still using the bootloader my phone shipped with
Click to expand...
Click to collapse
Thank you!
By the way... is there any way to know wich bootloader version are you using after flashing a new ROM?, I know most custom ROMs (AOKP, CM, ...) don't contains any bootloader, but not sure about others or about Samsung leaks.
So... is there any way to check if flashing a ROM changes the bootloader?
andr01d3 said:
Thank you!
By the way... is there any way to know wich bootloader version are you using after flashing a new ROM?, I know most custom ROMs (AOKP, CM, ...) don't contains any bootloader, but not sure about others or about Samsung leaks.
So... is there any way to check if flashing a ROM changes the bootloader?
Click to expand...
Click to collapse
Sir all stock rom did't touch your bootl oader, coz they are zip file and flashing through recovery, and boot loader flashing only with odin . After flashing boot loader will erase your phone. And to flash this do some search first.
bluefa1con said:
yeah go ahead boot loader doesnt affect the android version on our devices
i am still using the bootloader my phone shipped with
Click to expand...
Click to collapse
how do flash a bootloader ? Also How can I backup my current bootloader ?
drraptor said:
how do flash a bootloader ? Also How can I backup my current bootloader ?
Click to expand...
Click to collapse
Flashing with Odin in .pda section, if I'm not mistaken. I dunno if you can back up your boot loader. But is good to have ICS and GB boot loader in 2 different tar files, just in case you want to switch back.
You can't back up a bootloader on SGS2. And frankly, given the reason you're wanting to flash it (so you can use a jig) & given there's an alternative (Triangle Away), I'd advise you not to flash it.
You don't need to. You only mess with bootloaders when you have a specific reason to do it; I.E the rom you want to use won't boot without a 'recent' bootloader.
Given the risks of rendering your phone unbootable & only fixable by JTAG if it barfs & given there's an alternative, wanting to use a jig doesn't strike me as being particularly sensible.
I read in the Developers forums that you can get Cwm for Locked Bootloaders. Ive been trying to get it for a week and can this be done? I bought the Ultra at Bell and it says its model number c6806 and its locked.
dvella21 said:
I read in the Developers forums that you can get Cwm for Locked Bootloaders. Ive been trying to get it for a week and can this be done? I bought the Ultra at Bell and it says its model number c6806 and its locked.
Click to expand...
Click to collapse
Yes. here it is:
http://forum.xda-developers.com/showthread.php?t=2426739
However just because you have CWM, doesn't mean you can flash ROM's.
All you can do is flash Root, and other mods.
hamdogg said:
Yes. here it is:
http://forum.xda-developers.com/showthread.php?t=2426739
However just because you have CWM, doesn't mean you can flash ROM's.
All you can do is flash Root, and other mods.
Click to expand...
Click to collapse
sorry for the quick question, but would that work on the C6802 on .257, with locked bootloader? i've been wondering if i could get root without unlocking the bootloader(to preserve warranty).
yogi2010 said:
sorry for the quick question, but would that work on the C6802 on .257, with locked bootloader? i've been wondering if i could get root without unlocking the bootloader(to preserve warranty).
Click to expand...
Click to collapse
yes you can root with a locked bootloader.
to unlock your bootloader you need to have root access.
You can always backup your TA partition, and then unlock bootloader, and then restore the TA partition and restore bootlock as well.
many possibilitites
hamdogg said:
yes you can root with a locked bootloader.
to unlock your bootloader you need to have root access.
You can always backup your TA partition, and then unlock bootloader, and then restore the TA partition and restore bootlock as well.
many possibilitites
Click to expand...
Click to collapse
hey thank you sir for the response. I got my phone with .257 version already on it tho, and from what I'm reading, I can't find a way to root on .257 without unlocking the boot loader. is this correct?
as I see it, the only option I have on .257 is to unlock the bootloader with the Sony method, but no way to root first. am I mistaken? thanks!
lmemma16 said:
hey thank you sir for the response. I got my phone with .257 version already on it tho, and from what I'm reading, I can't find a way to root on .257 without unlocking the boot loader. is this correct?
as I see it, the only option I have on .257 is to unlock the bootloader with the Sony method, but no way to root first. am I mistaken? thanks!
Click to expand...
Click to collapse
What you could do is use flash tool to go back to another firmware, then root, and then update to the newest version. But not flashing the kernel. then you can flash the modified kernel with CWM, and then flash the new kernel afterwards.
I think there is a tutorial on here that tells you how to do it.
hamdogg said:
What you could do is use flash tool to go back to another firmware, then root, and then update to the newest version. But not flashing the kernel. then you can flash the modified kernel with CWM, and then flash the new kernel afterwards.
I think there is a tutorial on here that tells you how to do it.
Click to expand...
Click to collapse
ah yes, OK, that's what I was wondering, whether it is possible to downgrade the firmware with a locked boot loader, using Flashtool. perhaps I will try.. thanks
I just remember on some other devices I've had, a locked boot loader wouldn't allow a firmware downgrade.
Ive got an unlocked XZU, its the c6806 version, and its running 4.3. Anyone know a root method for this? I am also trying to flash custom roms as well.
Phaze1585 said:
Ive got an unlocked XZU, its the c6806 version, and its running 4.3. Anyone know a root method for this? I am also trying to flash custom roms as well.
Click to expand...
Click to collapse
Since you have unlocked bootloader flash boot image of desired custom rom using fastboot and then flash rom and gapps via recovery.
Phaze1585 said:
Ive got an unlocked XZU, its the c6806 version, and its running 4.3. Anyone know a root method for this? I am also trying to flash custom roms as well.
Click to expand...
Click to collapse
There is a whole thread or three devoted to this, have a good read through the stickies in the general section
techpal said:
Since you have unlocked bootloader flash boot image of desired custom rom using fastboot and then flash rom and gapps via recovery.
Click to expand...
Click to collapse
I dont quite understand. Are you saying, that sense my bootloader is already unlocked, that I dont even need to root my device?
Phaze1585 said:
I dont quite understand. Are you saying, that sense my bootloader is already unlocked, that I dont even need to root my device?
Click to expand...
Click to collapse
You don't need to run an exploit to gain root.
Once you have an unlocked bootloader all you have to do is flash a kernel with recovery, boot into recovery and then flash SuperSU - more or less
Phaze1585 said:
I dont quite understand. Are you saying, that sense my bootloader is already unlocked, that I dont even need to root my device?
Click to expand...
Click to collapse
Ya you dont need to root before installing Roms like CM,PA,etc. as they are already prerooted.
For safer side you can always flash Super Su.zip in recovery after flashing custom rom like CM,PA.
techpal said:
Ya you dont need to root before installing Roms like CM,PA,etc. as they are already prerooted.
For safer side you can always flash Super Su.zip in recovery after flashing custom rom like CM,PA.
Click to expand...
Click to collapse
Thank you. Does my phone already come with its own recovery? I know im coming off as a noob, but this is my first time trying to do his for anything besides a samsung Note.
techpal said:
Ya you dont need to root before installing Roms like CM,PA,etc. as they are already prerooted.
For safer side you can always flash Super Su.zip in recovery after flashing custom rom like CM,PA.
Click to expand...
Click to collapse
But you do need root to back up the TA partition before unlocking the bootloader before being able to boot roms like PA, CM etc
I don't want to open another threat but is there any way to root 290 (4.3) on my C6833? Do I need to go down first? My bootloader is still locked and I would like to backup TA partition firs just in case. So first I need to do is get SU in somehow to be able to backup TA. After that I will be rrady for bootloader I guess.
So is there any way to rot 290? I did try some methods but non of them works. I really need that GPE on me ZU. :fingers-crossed:
simunovic said:
I don't want to open another threat but is there any way to root 290 (4.3) on my C6833? Do I need to go down first? My bootloader is still locked and I would like to backup TA partition firs just in case. So first I need to do is get SU in somehow to be able to backup TA. After that I will be rrady for bootloader I guess.
So is there any way to rot 290? I did try some methods but non of them works. I really need that GPE on me ZU. :fingers-crossed:
Click to expand...
Click to collapse
Read the stickies in the general section, that is what they are there for...
blueether said:
Read the stickies in the general section, that is what they are there for...
Click to expand...
Click to collapse
None if that is working on 290. I can not unlock bootloader before I make backup of TA. So that I did not try. I simply can not find any root that works on 290. I love my Zu but I already missing my N5.
simunovic said:
None if that is working on 290. I can not unlock bootloader before I make backup of TA. So that I did not try. I simply can not find any root that works on 290. I love my Zu but I already missing my N5.
Click to expand...
Click to collapse
READ THE STICKY
it is all explained here http://forum.xda-developers.com/showthread.php?t=2569904
Do the first two orange steps
Then the three purple
Then move on to flashing roms etc
Simples
blueether said:
READ THE STICKY
it is all explained here http://forum.xda-developers.com/showthread.php?t=2569904
Do the first two orange steps
Then the three purple
Then move on to flashing roms etc
Simples
Click to expand...
Click to collapse
Root with restore by byn4ry v33 did not work on my c6833 (option 3). The proces just stopped after restore screen on Zu. If I downgrade my Zu then I will also have older baseband. If i downgrade, root and go back to 290 will i loose root? Is there any way to keep it? All I am trying to do is keep latest baseband with GPE rom.
simunovic said:
Root with restore by byn4ry v33 did not work on my c6833 (option 3). The proces just stopped after restore screen on Zu. If I downgrade my Zu then I will also have older baseband. If i downgrade, root and go back to 290 will i loose root? Is there any way to keep it? All I am trying to do is keep latest baseband with GPE rom.
Click to expand...
Click to collapse
<SIGH>
Downgrade to .532 ftf (you will lose IMEI and cell reception if on .290)
Root with Bin4ry's tool - option 0
Back up TA
Unlock bootloader
Flash .290 ftf (all of it)
install recovery (look in the general thread for jackies post - read the unlocked BL thread) or flash the one in the rom if it has recovery
boot into recovery
flash GPe ROM
???
proffit
all of the above is off the top of my head as I cant be buggered to look it all up, but YOU should. Don't blame me if you brick the phone etc
Do all of the above with the latest flashtool etc and a full battery - avoid black cats
blueether said:
<SIGH>
Downgrade to .532 ftf (you will lose IMEI and cell reception if on .290)
Root with Bin4ry's tool - option 0
Back up TA
Unlock bootloader
Flash .290 ftf (all of it)
install recovery (look in the general thread for jackies post - read the unlocked BL thread) or flash the one in the rom if it has recovery
boot into recovery
flash GPe ROM
???
proffit
all of the above is off the top of my head as I cant be buggered to look it all up, but YOU should. Don't blame me if you brick the phone etc
Do all of the above with the latest flashtool etc and a full battery - avoid black cats
Click to expand...
Click to collapse
That's my ultimate fear in all of this with a locked BL - I have had way too many black cats in my life in the past year... I just can't bring myself to take the plunge after all the bricks.
blueether said:
But you do need root to back up the TA partition before unlocking the bootloader before being able to boot roms like PA, CM etc
Click to expand...
Click to collapse
But since he already has unlocked bootloader it doesnt matter if he doest TA partition. Thts why I didn't said about TA partition,
Anyways after unlocking bootloader its of no use if has backed TA partition or no.
techpal said:
But since he already has unlocked bootloader it doesnt matter if he doest TA partition. Thts why I didn't said about TA partition,
I also assumed as he has unlocked bootloader so he would have done TA partition.
Click to expand...
Click to collapse
It was more as a warning to others, there has been a spat of people in the last two weeks that can't/won't read stickies and have unlocked the BL with no backup - so the more places people see the instructions the better
blueether said:
It was more as a warning to others, there has been a spat of people in the last two weeks that can't/won't read stickies and have unlocked the BL with no backup - so the more places people see the instructions the better
Click to expand...
Click to collapse
Agree with you on this
help needed as i am really lost
i am new to sony x z ultra, tried for 2 days to use the little piece left in my brain to root my device and went through a lot and nothing!
my request is simple I need a one click rooting procedure (device data: model(c6833) - android 4.3 - build # 14.2.A.0.290) or detailed steps for noops
sorry for being so dum but where else to go or who I can ask for help except here
123eb said:
i am new to sony x z ultra, tried for 2 days to use the little piece left in my brain to root my device and went through a lot and nothing!
my request is simple I need a one click rooting procedure (device data: model(c6833) - android 4.3 - build # 14.2.A.0.290) or detailed steps for noops
sorry for being so dum but where else to go or who I can ask for help except here
Click to expand...
Click to collapse
There's no 'one-click' rooting procedure.
There are, however, very detailed, in-depth, easy-to-follow instructions at http://forum.xda-developers.com/showthread.php?t=2569904
It takes the slightest bit of effort to find all the information you're looking for - at least try.
So here is my issue. I updated my android on my Xpreia U St25i to KitKat and in the prossess I had to unlock my Bootloader and now I cannot lock it. I tryind flashing it with flashtool with many ftfs that I found on the internet but the result is always the same. After the flash the phone does not start. I click the power button but the led flashes for a sec in green light and thats it. It seems like the phone is stuck into flash mode. If anyone has any ideas, phease help!
Thanks in advance!
R3in said:
So here is my issue. I updated my android on my Xpreia U St25i to KitKat and in the prossess I had to unlock my Bootloader and now I cannot lock it. I tryind flashing it with flashtool with many ftfs that I found on the internet but the result is always the same. After the flash the phone does not start. I click the power button but the led flashes for a sec in green light and thats it. It seems like the phone is stuck into flash mode. If anyone has any ideas, phease help!
Thanks in advance!
Click to expand...
Click to collapse
You unlock the bootloader to enable boot custom kernels not made by Sony. If you relock it won't boot custome kernels because the bootloader is "locked" to boot Sony kernels only.
You wank kitkat, bootloader must be unlockedm and there is no real reason you will want to relock your phone.
ChikeD said:
You unlock the bootloader to enable boot custom kernels not made by Sony. If you relock it won't boot custome kernels because the bootloader is "locked" to boot Sony kernels only.
You wank kitkat, bootloader must be unlockedm and there is no real reason you will want to relock your phone.
Click to expand...
Click to collapse
Well one thing is that I cannot update my PC Companion to a newer version so I cannot restore a backup and I read that this is because of the unlocked bootloader. Also there are occasional reboots of the phone with no particular reason.
R3in said:
Well one thing is that I cannot update my PC Companion to a newer version so I cannot restore a backup and I read that this is because of the unlocked bootloader. Also there are occasional reboots of the phone with no particular reason.
Click to expand...
Click to collapse
PC companion is updated regardless of your bootloader, it will update without a phone being connected.
I don't think you can restore backups to custom non-tock-based ROMs with PCC anyway, you must choose stock(or custom stock-based) or custom ROM.
If you want to re-lock, you must use stock ROM and kitkat does not work with it.
ChikeD said:
PC companion is updated regardless of your bootloader, it will update without a phone being connected.
I don't think you can restore backups to custom non-tock-based ROMs with PCC anyway, you must choose stock(or custom stock-based) or custom ROM.
If you want to re-lock, you must use stock ROM and kitkat does not work with it.
Click to expand...
Click to collapse
OK than. Thank you, and one more thing, does Jellybean work work with stock ROM ? Will I be able to relock the bootloader?
R3in said:
OK than. Thank you, and one more thing, does Jellybean work work with stock ROM ? Will I be able to relock the bootloader?
Click to expand...
Click to collapse
I don't understand the question, what kind of jellybean work?
If you mean custom non-stock based ROMs like CyanogenMod than no.
The other day, I set about installing Cyanogenmod 11 on my Xperia Z2 D5603. I was already rooted on the stock rom 4.4.4 Kitkat 23.0.1.A.0.167. I used flashtool to downgrade to 4.4.2 17.1.2.A.0.314, rerooted it, and installed dualrecovery from this link: http://forum.xda-developers.com/showthread.php?t=2785598
But upon choosing reboot after flashing the custom ROM via TWRP, the phone went dark, and wouldn't turn on. The only response I got was a quick vibration every second or two if I hold down the power button. I could not access recovery either.
I was able to revive it by using flashtool to reflash 4.4.2 17.1.2.A.0.314. I tried the same procedure with AOKP ROM, which had the same result. After trying many different things, I realized that factory reset, or wiping 'system' under advanced wipe would cause this to happen. Flashing without factory reset either returns an error, or finishes, but doesn't actually flash the ROM (stock ROM boots)
How to I flash a ROM without this happening? Any help is appreciated.
Have you unlocked your bootloader? It doesn't sound like it.
These roms require another kernel and you need to unlock your bootloader to install it.
o0 Matt 0o said:
Have you unlocked your bootloader? It doesn't sound like it.
These roms require another kernel and you need to unlock your bootloader to install it.
Click to expand...
Click to collapse
I thought that the fact that it was successfully rooted meant that the bootloader was unlocked. Is this not the case?
How do I unlock the bootloader and install whatever kernel I need?
ljapplebaum said:
I thought that the fact that it was successfully rooted meant that the bootloader was unlocked. Is this not the case?
How do I unlock the bootloader and install whatever kernel I need?
Click to expand...
Click to collapse
Hmm no.
Root ! = unlocked bootloader.
Go to the sony website ( http://developer.sonymobile.com/unlockbootloader/unlock-yourboot-loader) to get instructions to unlock your bootloader.
But with your first assumption in mind, I suggest you read up about it first. Understand the risks and limitations.
o0 Matt 0o said:
Hmm no.
Root ! = unlocked bootloader.
Go to the sony website to get instructions to unlock your bootloader.
But with your first assumption in mind, I suggest you read up about it first. Understand the risks and limitations.
Click to expand...
Click to collapse
Perfect! I unlocked the bootloader by using the instructions on sony's website. It did the trick, and CM11 is running successfully.
Thanks so much!