| You need a full PM back-up and an RPL from the phone.
Downgrade it to V21.0.25 product code 0573738
use the function rebuild simlock from PM and select the PM back-up
unlock the phone (save the unlocking code calculated)
flash with erase file 5800_Erase_256MB_kashi4gul with skip ape enabled
Flash with firmware E71 v300 product code 0559569 with "skip APE" enabled only COR and PPM
Write back the PM 308 and 120 back-up
Full flash again the mobile with the original firmware APE included
Write back the RPL
sx4 auth
write back FULL PM no 308 no 120
start the phone
Input the unlocking code via keyboard or via fbus.
BR
Alex |