Piece of paper inside my z3 with code like imei & code like S 12... Is it drm keys???

[khanjunaid]

Piece of paper inside my z3 with code like imei & code like S 12... Is it drm keys???

I have an unlocked bootloader with no TA partition backup & have no idea what drm are like,so just hoping for the best.

 

[Nojus33]

If you haven't backed them up they're gone FOREVER. They're can't be written on paper or something simular.