What are REST files in Setool 2 Lite?

[o0ops]

rest file = restoretion files
in setool full version. the rest file are used for unlocking purpose. since setool lite can not be used for unlocking. not sure why they are there for. as far as i understand that rest files are not needed for flashing.
br

Are you sure ?

Look at this sticky :

Flash your phone using SETool 2 Lite - Top Sony Forums

Looks like setool lite CAN be used for unlocking so far...:cool: