i tryed for cid49 and it works, but when i set db2020 main and press make patch, then
welcome to simox SIM-Lock remover patch generator 1.0
supported firmwares: CID49, CID50, CID51, CID52
Analyzing firmware...
BABE header found and seems ok.
Flash CID: 52
Flash Color: Red
Base address: $44140000
Generating raw firmware...
Firmware generated.
Searching for required adresses...
Entry point cannot be found. Probably it is not a MAIN firmware!
FINISHED.