Tried flashing. No success. Following were the results:

Flasher -f -F main.bin gives following error

========================================
bb5_rdc_cert_read failed
bb5_rdc_cert_read failed
bb5_rdc_cert_read failed
bb5_rdc_cert_read failed
bb5_rdc_cert_read failed
Update content failed to verify against cert: SW certificate not updated
bb5_rdc_cert_read failed
bb5_rdc_cert_read failed
bb5_rdc_cert_read failed
bb5_rdc_cert_read failed
bb5_rdc_cert_read failed
MTC_POWER_OFF not received
CMT RFS failed
[Pipe 7] Finishing in error state with status 1
========================================

ERROR: Failed to flash images


Can anyone pl suggest a solution. The phone still boots but cannot access network.