Hi, I keep seeing people mentioning LB or UB in reference to phone models and roms, what does either of those mean? Thanks
Auctionedllama said:
Hi, I keep seeing people mentioning LB or UB in reference to phone models and roms, what does either of those mean? Thanks
Click to expand...
Click to collapse
LB - Locked Bootloader
UB- Unlocked Bootloader
Thanks! how do you know if your phone is locked or unlocked?
Auctionedllama said:
Thanks! how do you know if your phone is locked or unlocked?
Click to expand...
Click to collapse
Type on Keyboard *#*#7378423#*#* and there will be Bootloader Unlock Allowed: YES or NO. If is Yes then you can Unlock it, if is NO you cannot Unlock it, never.
Auctionedllama said:
Thanks! how do you know if your phone is locked or unlocked?
Click to expand...
Click to collapse
A new phone is always locked. You have to unlock it by yourself.
Yocto69 said:
A new phone is always locked. You have to unlock it by yourself.
Click to expand...
Click to collapse
Yep, your are right, he just have to check if can be unlocked.
Ok
The question is
What happened if i choose the rong option
I mean i have unlock bootloader device and i choose lb when i inistall the rom
Nothing when you have a unlocked bootloader you are free in terms of flashing.
But when your on a locked bootloader and flash a Rom that requires a UB you will may get a bootloop, because the most UB have inside a custom kernel which will not get flashed or in the worst case you will just have a bootloop
Gesendet von meinem C6903 mit Tapatalk
Related
Hello,
Currently my Xperia T's 'Bootloader Unlock' is set to No. I was wondering if any attention or development is happening to unlock locked bootloaders?
Is there something in the works, or is it being left alone since there are devices that have bootloaders that are unlockable?
Thanks,
W.
beanoguy said:
Hello,
Currently my Xperia T's 'Bootloader Unlock' is set to No. I was wondering if any attention or development is happening to unlock locked bootloaders?
Is there something in the works, or is it being left alone since there are devices that have bootloaders that are unlockable?
Thanks,
W.
Click to expand...
Click to collapse
You can flash roms that are for locked bootloaders "hint hint" Xperia T Android Development "hint"
But If you flash a unlocked bootloader rom on to a locked bootloader it wont work and will just vibrate (which leads you into recovering in flash mode)
There is this thing called flashing .TA to try to unlock but you have a 50% your device will be hard bricked, 95% it wont work and 100% will disable radio.
Flashing a .TA is dangerous, and could just hard brick your phone
If you want to take the risks then do it here
http://forum.xda-developers.com/showthread.php?t=2053466
Hi AndroidHC,
Thanks for the quick reply. Yeah I'm aware of the ROMs available =). That's what prompted my question because there's a ROM I wanted to flash but it requires an unlocked bootloader and wanted to know what options were available for unlockable bootloaders.
Thanks for the link to the other forum. It's tempting but I think I'll hold off on that workaround.
Regards,
W.
Definitely do NOT try that.
Currently there is no way to unlock your bootloader on this phone if it says no.
Sent from my star trek communicator
Sony Flagship device circa 2145
I rember some kind of root method will be cause this... but if you dont rooting and " bootloader allow unlock says no, the you camt unlock it..
Sent from my Xperia T using xda app-developers app
gregbradley said:
Definitely do NOT try that.
Currently there is no way to unlock your bootloader on this phone if it says no.
Sent from my star trek communicator
Sony Flagship device circa 2145
Click to expand...
Click to collapse
Out of curiosity is there anyone working on a bootloader unlock or is that unlikely to happen anytime soon?
I am not sure, but people like blagus and the_laser who are very rarely on xda often pop out of nowhere with something special.
I am sure someone will be working on it...
Sent from my star trek communicator
Sony Flagship device circa 2145
Thanks for chiming in streather =) That's the point I was initially trying to get across
I remember the_laser and blagus from my X10 days. I'd love to hear from them if there is an initiative going on behind the scenes to unlock bootloaders that are set to 'No'.
duplicate post
If you rooted your Phone with Bin4ry it says that you cant unlock bootloader, get your Phone to stock(factory reset) then its gonna say YES again/
hhamzah49 said:
If you rooted your Phone with Bin4ry it says that you cant unlock bootloader, get your Phone to stock(factory reset) then its gonna say YES again/
Click to expand...
Click to collapse
not necessarily, only if it was allowed before rooting by bin4ry method.
This only happens as a by product of bin4rys method make an error in the reporting of the status, it does not actually change the status.
So,
Without the bootloader locked, a new kernel isnt possible?
If thats the case, can an OTA update from Sony update the kernel?
yes, official kernel can be updated ... but without unlock BL you cant flash custom kernels.
mmm273 said:
yes, official kernel can be updated ... but without unlock BL you cant flash custom kernels.
Click to expand...
Click to collapse
So... there's no way to fool flashtool etc to install a custom kernel from a tft?
dmarkey said:
So... there's no way to fool flashtool etc to install a custom kernel from a tft?
Click to expand...
Click to collapse
Anyrhing that is not a signed kernel, and the phone will refuse the boot
AndroidHoneyComb said:
Anyrhing that is not a signed kernel, and the phone will refuse the boot
Click to expand...
Click to collapse
I see. Crap.
So can the provider supply a code to make the bootloader unlockable?
dmarkey said:
I see. Crap.
So can the provider supply a code to make the bootloader unlockable?
Click to expand...
Click to collapse
NO.
It has been asked (Too many times) before and answered.
If it says no, then it means no.
gregbradley said:
NO.
It has been asked (Too many times) before and answered.
If it says no, then it means no.
Click to expand...
Click to collapse
That is a kick in the knickers..
Anyone wanna swap a locked one for an unlocked one?
dmarkey said:
That is a kick in the knickers..
Anyone wanna swap a locked one for an unlocked one?
Click to expand...
Click to collapse
After getting my Xperia T unsuccessfully repaired(twice), the replacement phone has Bootloader Unlock Allowed = YES.
Yay! Now... to void my warranty...
Hi, my bootloader is suddenly unlockable since the .244 firmware update from Sony. So my question is this: is it worth losing the Bravia Engine by unlocking my bootloader? Is the Bravia Engine really a feature worth having on the XZ and are there any substitutes?
quantumtraveler said:
Hi, my bootloader is suddenly unlockable since the .244 firmware update from Sony.
Click to expand...
Click to collapse
If your Phone came from a carrier then it isn't unlockable regardless of the change in status.
XperienceD said:
If your Phone came from a carrier then it isn't unlockable regardless of the change in status.
Click to expand...
Click to collapse
Sad news :crying: thanks. XperienceD what's your take on Bravia anyway? Is it worth keeping a locked bootloader for Bravia Engine?
I unlocked my bootloader as soon as I got my phone. I would rather have an unlocked bootloader so I have the ability to flash custom roms and kernels then seen the colours a little brighter when watching videos and viewing pictures.
5worthington said:
I unlocked my bootloader as soon as I got my phone. I would rather have an unlocked bootloader so I have the ability to flash custom roms and kernels then seen the colours a little brighter when watching videos and viewing pictures.
Click to expand...
Click to collapse
Yeah well the biggest downside to locked bootloader is no chance of AOSP roms :crying: luckily most of the Xperia's UI is pretty cool, particularly the Honami email, messaging and contacts. So after XperienceD's news about bootloader being locked if the handset came from a carrier, I can live with it for now... gonna try unlock it anyway
quantumtraveler said:
gonna try unlock it anyway
Click to expand...
Click to collapse
Good luck
quantumtraveler said:
Sad news :crying: thanks. XperienceD what's your take on Bravia anyway? Is it worth keeping a locked bootloader for Bravia Engine?
Click to expand...
Click to collapse
I'd prefer to keep it but would happily sacrifice it for the ability to be able to unlock my BL. You can try for nothing but if it does come from a carrier then I've yet to see anyone who has reported this change in status then go on to unlock it. I'll never have another Phone from a carrier that's for sure.
Is it worth?
Simply. Yes. That's my opinion.
Btw, I unlocked bootloader and I still have BE2, all these DRM keys. Is it normal?
Seems http://unlockbootloader.sonymobile.com/ is intermittently down tonight loaded the web page earlier but can't load it now. Will check it out tomorrow, my phone is from Vodacom so it's a carrier phone.. this will be an interesting test. Is it normal for Sonymobile website to be down? "The website encountered an unexpected error. Please try again later." Poor show if it is..
Can anyone confirm if you're getting an error on this link: http://unlockbootloader.sonymobile.com/
Sony Xperia
Error
The website encountered an unexpected error. Please try again later.
Click to expand...
Click to collapse
quantumtraveler said:
Can anyone confirm if you're getting an error on this link: http://unlockbootloader.sonymobile.com/
Click to expand...
Click to collapse
Seems like it's down at the moment.
http://www.downforeveryoneorjustme.com/http://unlockbootloader.sonymobile.com/
Sent from my C6603 using Tapatalk 4
It worked, unlocked my bootloader with a carrier issued handset I bought my phone from a dude when it was three months old. It came from Vodacom. It had the Vodafone logo splash screen when booting from stock and he showed me a photo of the registration screen at Vodacom when he picked it up. So I assume it was a carrier issued handset. Anyway, seems all is well now :highfive:
Bootloop on Sony logo after unlocking bootloader. What am I missing? Do I need to flash new .244 firmware and then flash custom rom?
quantumtraveler said:
Bootloop on Sony logo after unlocking bootloader. What am I missing? Do I need to flash new .244 firmware and then flash custom rom?
Click to expand...
Click to collapse
I flashed .244 stock firmware in Flashtools and now it's fine. But I can't flash custom kernel, so I suppose that means my bootloader is still locked? But when I unlocked it, it said successful
quantumtraveler said:
I flashed .244 stock firmware in Flashtools and now it's fine. But I can't flash custom kernel, so I suppose that means my bootloader is still locked? But when I unlocked it, it said successful
Click to expand...
Click to collapse
My guess is that something went wrong with BL unlocking.
quantumtraveler said:
But I can't flash custom kernel, so I suppose that means my bootloader is still locked? But when I unlocked it, it said successful
Click to expand...
Click to collapse
Type *#*#7378423#*#* (service) in dialer.
Then open Service info > Configuration
Check "Rooting status"
if it says "Bootloader unlocked: Yes" guess what
if it says "Bootloader unlock allowed: Yes" or something like this, your bl isn't unlocked
-woczarder- said:
Type *#*#7378423#*#* (service) in dialer.
Then open Service info > Configuration
Check "Rooting status"
if it says "Bootloader unlocked: Yes" guess what
if it says "Bootloader unlock allowed: Yes" or something like this, your bl isn't unlocked
Click to expand...
Click to collapse
Thanks, this makes sense! Mine says "Bootloader unlock allowed: Yes" so back to the drawing board..
When I unlock my bootloader, I know I'll lose my sdcard content but will I still be able to boot into the rom (I'm using monx for LB/UB) or do I need to re-flash?
Success!!
Success!! :highfive: thanks for the advice here, bootloader is now unlocked yes man :victory::victory:
XperienceD said:
I'd prefer to keep it but would happily sacrifice it for the ability to be able to unlock my BL. You can try for nothing but if it does come from a carrier then I've yet to see anyone who has reported this change in status then go on to unlock it. I'll never have another Phone from a carrier that's for sure.
Click to expand...
Click to collapse
Hey XperienceD, dunno how this happened. My bootloader changed from a status of unlock not allowed to unlock allowed after I flashed .244. Now I managed to unlock the bootloader, and it's a carrier phone from Vodacom in South Africa. Strange but true :victory:
So I've unlocked the bootloader on my xperia Z the official way. Entered the unlock key and it was successful.
However, if I try to write a recovery in fastboot I get the error : Remote: not allowed.
I have made sure I have the correct drivers and all but it still doesn't work. Even tried unlocking it again with a second unlock key.
How can I fix this?
bump, still no cure found
Any help would be appreciated
Try to boot in recovery does that work?
Sent from my C6603 using xda app-developers app
Looks like it still is locked
Xperia Z (yuga) / Beanstalk 4.4.2 / Meow = No.1
xtcdk said:
Looks like it still is locked
Xperia Z (yuga) / Beanstalk 4.4.2 / Meow = No.1
Click to expand...
Click to collapse
Yeah that's what I thought, but my bootloader is unlockable and I've done it the official way, twice!
How can I properly unlock it?
shaggydiamond said:
Yeah that's what I thought, but my bootloader is unlockable and I've done it the official way, twice!
How can I properly unlock it?
Click to expand...
Click to collapse
dial : *#*#7378423#*#* got to "service info" then to "configuration"
at the last line is it
bootloader unlocked : yes
or
bootloader unlock allowed : yes ( or something like that )
elias234 said:
dial : *#*#7378423#*#* got to "service info" then to "configuration"
at the last line is it
bootloader unlocked : yes
or
bootloader unlock allowed : yes ( or something like that )
Click to expand...
Click to collapse
that only means that it's allowed but it won't say if it's locked or unlocked
shaggydiamond said:
that only means that it's allowed but it won't say if it's locked or unlocked
Click to expand...
Click to collapse
not only allowed or not
if you have locked bootloader it says it is allowed
if you have unlocked bootloader it says that your bootloader is unlocked
you can check your bootloader by this way , cause your error determines that u have lockbootloader
shaggydiamond said:
So I've unlocked the bootloader on my xperia Z the official way. Entered the unlock key and it was successful.
However, if I try to write a recovery in fastboot I get the error : Remote: not allowed.
I have made sure I have the correct drivers and all but it still doesn't work. Even tried unlocking it again with a second unlock key.
How can I fix this?
Click to expand...
Click to collapse
It's not really unlocked.
Use flashtool, click the blu option and you can properly unlock the bootloader.
Sent from my white Xperia™Z
Tommy-Geenexus said:
It's not really unlocked.
Use flashtool, click the blu option and you can properly unlock the bootloader.
Sent from my white Xperia™Z
Click to expand...
Click to collapse
Will definitely try
Unlock bootloader without losing DRM keys
Hey guys
I have a similar problem. I want to flash DoomLord's custom kernel but the command is not allowed. I found out bootloader unlock allowed does not mean it is unlocked yet, so that is the problem why it is not allowed. However, I do want to backup my DRM keys first. Is this possible? My phone was rooted before I flashed 4.3, so it is not rooted anymore.
Oh I have a Xperia Z 4.3 c6603 flashed with the ftf supplied by doomlord.
shaggydiamond said:
So I've unlocked the bootloader on my xperia Z the official way. Entered the unlock key and it was successful.
However, if I try to write a recovery in fastboot I get the error : Remote: not allowed.
I have made sure I have the correct drivers and all but it still doesn't work. Even tried unlocking it again with a second unlock key.
How can I fix this?
Click to expand...
Click to collapse
show us screenshots after u go to this secret menu:
*#*#7378423#*#*
go to -> Service info -> Configuration , then take screenshot by pressing volume down at the same time with power button OR use power off menu and press on take screenshot... then post it over here and we'll check it with u!
abelmaster said:
Hey guys
I have a similar problem. I want to flash DoomLord's custom kernel but the command is not allowed. I found out bootloader unlock allowed does not mean it is unlocked yet, so that is the problem why it is not allowed. However, I do want to backup my DRM keys first. Is this possible? My phone was rooted before I flashed 4.3, so it is not rooted anymore.
Oh I have a Xperia Z 4.3 c6603 flashed with the ftf supplied by doomlord.
Click to expand...
Click to collapse
Flash a firmware that can have root and look for a drm backup tool
Nidhal AKA the king said:
show us screenshots after u go to this secret menu:
*#*#7378423#*#*
go to -> Service info -> Configuration , then take screenshot by pressing volume down at the same time with power button OR use power off menu and press on take screenshot... then post it over here and we'll check it with u!
Click to expand...
Click to collapse
https://www.dropbox.com/s/g2s7itsrwltdgax/IMG-20140104-WA0006.jpg this is the screenshot.
Thanks in advance!
shaggydiamond said:
https://www.dropbox.com/s/g2s7itsrwltdgax/IMG-20140104-WA0006.jpg this is the screenshot.
Thanks in advance!
Click to expand...
Click to collapse
u welcome!
just checked the screenshot says that BL unlock allowed: status YES which define that ur BL (bootloader) is not unlocked yet!
make sure u are using the appropriate tool that works for ur device after u get the BL code from Sony, then follow the instructions in Sony where u got the information about unlocking BL
first off... do not proceed with bl unlock until you backup your TA partition cuz u might brick ur phone after the unlock is done if something goes wrong!
is it's not really recommended... u can still root it with a locked bl and enjoy ROOT privileges... FYI, unlocking bl will erase DRM keys and might affect on ur TA partition too.... so keep in mind that Bravia Engine2 along with Track ID will stop working after unlocking ur BL
TA Partition backup
http://forum.xda-developers.com/showthread.php?t=2234627
so take it on ur own risk as im advising you not going for it!
good luck
shaggydiamond said:
Will definitely try
Click to expand...
Click to collapse
Did it work?
Sent from my white Xperia™Z
Tommy-Geenexus said:
Did it work?
Sent from my white Xperia™Z
Click to expand...
Click to collapse
Didn't work, gave up on unlocking bootloader.. Maybe I will give it a shot someday I did back up my TA partition just in case something goes wrong
Just rooted it, installed dualrecovery and flashed a locked bootloader ROM.
It's working just fine. I'm using this rom http://forum.xda-developers.com/showthread.php?t=2503670
shaggydiamond said:
Didn't work, gave up on unlocking bootloader.. Maybe I will give it a shot someday I did back up my TA partition just in case something goes wrong
Just rooted it, installed dualrecovery and flashed a locked bootloader ROM.
It's working just fine. I'm using this rom http://forum.xda-developers.com/showthread.php?t=2503670
Click to expand...
Click to collapse
Good choice, this or existenz are definitely the best lb roms
Sent from my white Xperia™Z
Hey guys!
If i had a branded Xperia Z1, couldn't I just flash a generic .ftf file to debrand it?
risogalo said:
Hey guys!
If i had a branded Xperia Z1, couldn't I just flash a generic .ftf file to debrand it?
Click to expand...
Click to collapse
To get rid of some bloat? Yes. To unlock bootloader? Not if it's locked by carrier.
Type *#*#7378423#*#* and check what saying Bootloader Unlock Allowed: Yes or No. If it's Yes you can unlock it and install Custom Kernels. If it's No you cannot Unlock it, ever. This is not Sim Unlock, and to do that you have to pay for it. Anyway with Locked Bootlader you can Root, Install Recovery and Unbrand your phone just Flashing Generic Unbranded FTF via Flashtool and you are fine.
kusanou said:
To get rid of some bloat? Yes. To unlock bootloader? Not if it's locked by carrier.
Click to expand...
Click to collapse
eclyptos said:
Type *#*#7378423#*#* and check what saying Bootloader Unlock Allowed: Yes or No. If it's Yes you can unlock it and install Custom Kernels. If it's No you cannot Unlock it, ever. This is not Sim Unlock, and to do that you have to pay for it. Anyway with Locked Bootlader you can Root, Install Recovery and Unbrand your phone just Flashing Generic Unbranded FTF via Flashtool and you are fine.
Click to expand...
Click to collapse
OP didn't ask anything about unlocking his bootloader.
Just flash your phone with required firmware via flashtool..Just funny forget to clean your app log, cache partition and log
I think this want you liking for..
Sent from my LT26i using xda app-developers app
bertmansk said:
OP didn't ask anything about unlocking his bootloader.
Click to expand...
Click to collapse
And what that supposed to mean? Give the clarifications for all possibilities is the right thing, before somebody do something stupid!
BTW I said what he have to do as well in the case of Unbranding.
hi all recently have given me a Xperia sp but can not unlock the bootloader as it comes from the factory locked my question is if there is any way to unlock it, or can not be by any method.
Sorry my bad english.
http://developer.sonymobile.com/unlockbootloader/unlock-yourboot-loader/
forddark said:
hi all recently have given me a Xperia sp but can not unlock the bootloader as it comes from the factory locked my question is if there is any way to unlock it, or can not be by any method.
Sorry my bad english.
Click to expand...
Click to collapse
If it says bootloader unlock allowed: no, then fastboot is missing from your phone which is necessary to unlock the bootloader. So yes, you cannot do that if that's the case.
shahrukhqasim said:
If it says bootloader unlock allowed: no, then fastboot is missing from your phone which is necessary to unlock the bootloader. So yes, you cannot do that if that's the case.
Click to expand...
Click to collapse
Yes it says bootloader unlock allowed: no, then there is not way to change the status of bootloader for yes.[emoji22]
forddark said:
Yes it says bootloader unlock allowed: no, then there is not way to change the status of bootloader forma yes.[emoji22]
Click to expand...
Click to collapse
No one has discovered it yet. If you find a solution, PM me too.
shahrukhqasim said:
No one has discovered it yet. If you find a solution, PM me too.
Click to expand...
Click to collapse
This is a bad news, [emoji25]
forddark said:
This is a bad news, [emoji25]
Click to expand...
Click to collapse
Very much!
shahrukhqasim said:
If it says bootloader unlock allowed: no, then fastboot is missing from your phone which is necessary to unlock the bootloader. So yes, you cannot do that if that's the case.
Click to expand...
Click to collapse
Fastboot is always there... Even on carrier locked devices you can even flash a custom kernel if you want but it just won't boot you can also install a ROM for locked bootloader
Sent from my C5303 using XDA Free mobile app
noahvt said:
Fastboot is always there... Even on carrier locked devices you can even flash a custom kernel if you want but it just won't boot you can also install a ROM for locked bootloader
Sent from my C5303 using XDA Free mobile app
Click to expand...
Click to collapse
Seriously?? Then might be we can find a solution somehow using custom kernels? But I have tried for hours I could never get into FASTBOOT mode. It went into FLASHTOOL(green light) mode but never into FASTBOOT mode. I inferred, FASTBOOT is missing from the device. I think it is missing.