How Convert W810 CID49 Brown to RED ?

[Khaba]

what's the difference between red and brown?

BLUE/BROWN/RED:This "color" defines what kind of phone we are dealing with.BLUE phones has been assembled at the factory, but never been programmed with software/GDFS/IMEI (remember kids: the IMEI is stored in the OTP (One Time Programmable memory))BROWN phones are "developer phones", for testing. Less restrictions are present, as these are used for "debugging/beta" purposes. As of CID36, a phone has to be converted to BROWN to unlock it.RED phones are your typical retail ones.