Bootloader

[pchetan2]

hey folks ,if we unlock bootloader and our device is under warranty ..
suppose if mess up with it and cannot recover own our own...is there any way for the poeple at service centres to find out that our device is unlocked ...how can they find out if the device is completely in coma...(dead,bricked) ??????

[Uliwooly]

Once you unlock the bootloader your warranty will be gone, your DRM keys will be deleted, you can not restore them, so you wont be able to use PCC nor SUS or Bridge, or even Updates OTA, also some other apps are not going to work, so they will find out 

[pchetan2]

what if device dies and cant be powerd on ........like problem in motherboard ??? how can they detect drm keys then ???

[Uliwooly]

Contact your local Sony

http://www.sonymobile.com/global-en/support/contact-us/