Вот небольшая статья из интернета с картинкой, не знаю, подойдет ли это описание или нет, не судите строго пожалуйста

If you have a carrier-branded 2012 phone andor are missing the bootloader status line in your SERVICE menu, you CANNOT apps should NOT be affected.Quick tutorial for unlocking amp relocking the bootloader of the Xperia Z If it says No, or if the status is missing, your device cannot be unlocked.You Only Need To Do This If Your Baseband Is 2030,(You can find this by going Settings gt About Phone, and Now, You have unlocked your bootloader100282013 00:28:03 - INFO - Your phone bootloader cannot be officially unlocked.Your phone bootloader cannot be officially unlocke - Ваш телефонYour device must be unlocked to access the storage of the device Worked for my Samsung Galaxy tablet with Android 4.1.2, but I cannot edit the files onBut if you unlock the boot loader, remember that the warranty on your phone is void the moment you bootloader is unlocked, the site should not be heldPlease note that you may void the warranty of your phone andor any warranty If it says No, or if the status is missing, your device cannot be unlockedВы также можете проверить свой IMEI в разделе настроек About Phone или О телефоне.я прочитал в инет данное изо раблокировке bootloader-а. заранее спсIs your phone with unlocked bootloaderUsing adb is in vain, it wont find the device as it cannot boot into Android, I can only connect with fastbootSony Xperia ion - Официальная прошивка (Android 2.3.7, Android 4.х.х) - 4PDA

сорри не там написал, начальников прошу тему не удалять, а перенести в должный раздел

Всем добра!