Select the downloaded firmware file and click "Upgrade". Do not turn off the power during this process. 2. Online Update
A firmware update is a software update that modifies the operating system and other low-level software on a device. Firmware updates can improve device performance, fix bugs, and add new features. Regular firmware updates are essential to ensure that your device remains secure, efficient, and compatible with the latest software and applications. zte f671y firmware update portable
: In some cases, a factory reset via the physical reset button (holding for 15–20 seconds) is necessary to clear old cached settings that may conflict with new firmware. ZTE C3xx OLT Firmware Upgrade - SmartOLT Select the downloaded firmware file and click "Upgrade"