Zte F671y Firmware Update Now
: Log into the web interface (usually at 192.168.1.1 or 192.168.2.1 ) and check the Status or Device Information page to see the current version. 2. Manual Update (If you have a firmware file)
Sources: Official vendor/ISP firmware pages and device recovery guides (consult your ISP or ZTE support for files and model-specific instructions). zte f671y firmware update