CherryMobile Flare S5 Unknown Baseband and IMEI Invalid need solution

[mktech]

CherryMobile Flare S5 Unknown Baseband and IMEI Invalid need solution

Model number
Flare S5

Android version 
6.0

Baseband version 
Unknown

Procedures done:
Fix Unknown BaseBand using CM2
Write IMEI using CM2
Write good backup from BNew unit
Write Nvram from BNew unit
Fix Unknown BaseBand using CM2
Write Security using CM2

Still same status..

Ano pa po kaya pwede gawin dito..

Salamat mga Boss/Amo/Master sa tulong..