Zte Mf920u Firmware Access

dev: size erasesize name mtd0: 256 KiB 64 KiB “boot” mtd1: 2048 KiB 64 KiB “kernel” mtd2: 3072 KiB 64 KiB “rootfs” mtd3: 512 KiB 64 KiB “modem_fw” mtd4: 64 KiB 64 KiB “nvram” AT+ZIMEI? – Check IMEI AT+ZFWVER? – Query firmware version from modem