set serverip 192.168.1.100 loadb 0x2000000 tftp 0x2000000 firmware.upd erase 0x9f000000 +0x400000 cp.b 0x2000000 0x9f000000 0x400000 bootm
: Open a web browser and enter the default gateway IP (usually 192.168.1.1 ). Log in using your admin credentials. Navigate to Management : Look for a tab or menu labeled Management Administration System Management Locate Firmware Upgrade : Find the Firmware Upgrade Software Upgrade Upload the File Choose File Select your downloaded firmware file. Start the Update zte f670l firmware update upd install