есть еще такое - t610_gdfs_writer

This is to fix the error 4016 & 4017, and the only solution avaliable so far, I guess!
*** FOR T610/T630/Z600 ONLY ***
Operation instruction:
1) run program as: gdfs_writer gdfs.bin
2) plug connector into phone and press enter.
3) wait and pray.
4) if process is success then plug off connector from phone
5) plug it again run div_84 and select phone = t610
6) check "rebuild sp-area using otp imei" and press "do jobs"
7) power phone on.
enjoy.