I have updated Xperia J from ICS to JB. Its bootloader unlock allowed says YES but its not unlocked. The phone is in warrenty. I want to go back to ICS 11.0.A.7.5 as rooting is hard in JB.
I have some questions:
1. If I flash with flashtools, is it necessary to unlock the BootLoader?
2.After flashing ICS, in future If I want to flash JB with Flashtools, will then I have to unlock the BootLoader?
I dont want to unlock BL as the phone is under warrenty.
Thanks....
As far as I know Flashing ftf file using flashtool doesn't require boatloader unlock bro. And it won't unlock your bootlader. So if you flash ics, the boatloader will still be locked. And you can use flashtool at any time to flash jb ftf.
Hit the thanks button instead of telling it....
thank you
sent from my Xperia E dual C1604..
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Hey guys,
just wondering if anyone could help us to unlock a locked (where bootloader unlocking isnt allowed) Sony Xperia Tipo Bootloader .
Someone please help!!!
Just go to this site and follow the tutorial
http://unlockbootloader.sonymobile.com/
Sent from my ST26a using xda premium
I cant! bootloader unlock isnt allowed
No you cannot unlock.
Sent from my ST27i
Bootloader unlock: no? Theres some trick to unlock it. Dont know if it can be done on :no tipo as we have yet to find tipo testpoint. For :yes tipo just use easy method in xda.
Now using:
Sony Xperia tipo ST21i
stock 4.0.4
11.0.A.4.22
(rooted, locked bootloader)
Current problem:
Cant get past installing flash drivers in xp.
Even testpoint requires unlockable bootloader.. Advantage is we can retain DRM keys.
Sent from my ST27i
And I thought its easy like :no on xperia play.
Now using:
Sony Xperia tipo ST21i
stock 4.0.4
11.0.A.4.22
(rooted, locked bootloader)
Current problem:
Cant get past installing flash drivers in xp.
Right now I have the 4.0.4 Android( stock version) of the xperia j with locked bootloader and I've rooted-it and I've also installed the CWM.
I would like to install Cyanogen Mod 10.1 but since I have the 11.0.A.7.5 firmware I have locked bootloader and I can not flash it.
My question is if I can flash an older stock firmware and by doing so will I be able to unlock my bootloader?
From what I understand right now since I have a locked bootloader I can only flash stock ROMs so if that is correct than can I just flash an older stock ROM, one that will allow me to unlock my bootloader and than flash CM 10.1 on my Xperia J?
And another question- I know that by unlocking the bootloader I will also loose my warranty but from searching the XDA forums I saw that I can make a backup copy of my stock ROM and flash it to relock the bootloader again. Is that accurate ?
Thanks in advance for your help!
First is your bootloader unlockable. Then you can unlock on any firmware via sonys website. I dont think there's a cm10.1 released for j. If you unlock your bootloader you will loose DRM keys forever even if you relock they will still be gone that's how Sony will know your bootloader was unlocked.
It is not unlockable, that is why I wanted to flash another version of a stock ICS.
Won't that allow me to unlock the bootloader ?
From what I understood right now I can only flash stock Roms with the locked bootloader, is it correct or since I have the "NO" status at the bootloader I can't even do any of that ?
Hello, Do i need to unlock bootloader to downgrade via Flashtool? Sticky threads say yes, but I'm using Flashtool since 2010 series and never had to unlock bootloader just to downgrade, or flash stock ROM. Another question is ROM 11.0.A.7.5 Central Europe from this thread willbe good, or i need other rom? http://forum.xda-developers.com/showthread.php?p=44115119
I'm on latest JB now 11.2.A.0.31 and want to downgrade to latest ICS 11.0.A.7.5
You can via Flashtool via flashmode
hit thanks if i helped
Hello guys does anyone knows how to relock bootloader on xperia m C1905? i installed a costum rom,but i would like to reinstall the original 4.1.2 actually i already did,but cant update by PCC or SUS, says "error 2003" i need to relock the bootloader. Thanks
Hello, I want to flash my xperia e3 using flashtool to the latest firmware (4.4.4), but all how-to's i read say i have to unlock my bootloader. Must I unlock the bootloader if I plan to flash all generic sony firmware on my phone? My bootloader unlock status says "no."
alex21074 said:
Hello, I want to flash my xperia e3 using flashtool to the latest firmware (4.4.4), but all how-to's i read say i have to unlock my bootloader. Must I unlock the bootloader if I plan to flash all generic sony firmware on my phone? My bootloader unlock status says "no."
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if you wan,t to flash stock firmware then no need to unlock bootloader.
cause you flash firmware (*.FTF) using flash mode not fastboot(bootloader).
so you don,t have to worry of unlocking bootloader.
ok, thank you for your reply!