Quote Originally Posted by flamspower View Post
Thank you Senter, but before flashing the phone, I would like to find (or take from the phone if possible) the necessary files to be able to put it back to its original configuration.

So I think I need to find out the MAIN, FS and CUSTOM files corresponding to a K770, R8BA024, ORANGE, FRANCE. Am I wrong?

Afterthat, when I will be sure to be able to go back, then I will try to flash it with the files you propose.
You cann't back up FS or Main.

You must use XS++ v 3.1:

Flash files:
Downloads - K770 - Top Sony Forums
Downloads - k770custpack - Top Sony Forums

K770_R8BC004_FS_ORANGE_GEN_RED52
Victoria_i_1202-9104_R2A_Orange_SK_Slovak_Republic
K770_R8BC004_MAIN_ORANGE_VI_RED52