The Green Packet (often used with MTN or other LTE providers) does not currently have a "solid review" of a specific recent firmware update that is widely discussed as being "hot" or high-performing.
// GP2101 specific constants #define GP2101_FW_MAX_SIZE (512 * 1024) // 512KB max firmware size #define GP2101_MAGIC_HEADER 0x47503231 // "GP21" gp2101 firmware update hot