Originally Posted by PRATHA
PLZ HELP ME RELOCK THE BOOT LOADER FOR XPERIA U
AND HOW I CHECK IS MY BOOT LOADER IS LOCKED OR UNLOCKED
WHEN I DIAL THE *#*#7378423#*#* to access the service menu.
IT SAYS BOOTLOADER UNLOCK ALLOWED:- YES
WHAT IS MEAN THAT PLZ TELL ME
AND ALSO AFTER RELOCKING BOOT LOADER IS MY XPERIA U WARRANTY BACK OR NOT
SO PLZ HELP ME
1. uh, it means that you can unlock your bootloader
2. the best way of relocking the bootloader is restoring a ta backup made before ever unlocking your bootloader (to do that you must be rooted, and to root without unlocking you need to have android 4.0.x, there's a more detailed guide on the forums). it's all academic anyway - there's a way to get back the features you normally lose after unlocking and relocking without a backup, while all problems are software (can be fixed at home) or hardware (in which case bootloader status can't be reasonably blamed as a cause or aggravating factor except for damage by gross overclocking)
this post is all in lowercase to balance out the overuse of capital letters in the world.
Motorola International 8700 (first phone sold in Italy to send SMS) [half bricked] > Acer ? [returned] > Siemens S35i [good] > Samsung SGH-? [stolen] > Nokia 3220 [mostly still OK] > Motorola RAZR [still OK] > iPhone 3G S [2 batteries worn out] > iPhone 4S [I gave up after iOS 7, still has 10 months of warranty] > Samsung Ace 2 i8160 [won at Samsung giveaway, still works fine, CM10.1] > Sony Xperia U [modified Sony 2.3.7]