1. Enter the diaq by calling *#558#.
2. Backup qcn via Qfil.
3.Test points and identify partitions via the latest UFI.
4.Backup and Erase modem 1,2 and fsg
5.Enter him again
6. New QCN restoration via Qfil.
7.Done, IMEI changes to 0, but all operators are safe