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v2.8.6 production builds
makefiles for SIM808 configurations
2.8.5 final changes
Use AT+CGPSRST=0 for cold start of GPS
2.8.1 changes
2.6.5 Firmware
v2.6.2 firmware
v2.5.5 firmware
v2.5.4 firmware
v2.5.3 firmware builds