Quote Originally Posted by vojar View Post
simox see if I will do it corectly!
Make Backup of GDFS with PhoneXS++ v 3.0 beta
open the program, click on conect button, then click on GDFS and after click on backup GDFS!!

Appling the patch on Setool2lite v1.1
open the programa, select the model k550i, mark "bypass DB2020 security", on misc file put the vkp patch who was generated with your tool and then I should click on flash or on write script? to send it to the phone!! (I dont wanna send the MAIN firmware to the phone, just the patch)
tanks for last answer!!!
It isn't PhoneXS++ just XS++;)
You can backup the GDFS with SETool2 Lite too. Select the phone model and click on Read GDFS (be careful, press the right button) and follow the instructions. But you can use XS++ as well.

I dont wanna send the MAIN firmware to the phone, just the patch
This cannot be done without MAIN firmware. Read this tutorial How to apply patches with SETool2 Lite V1.11.