Firmware Zte Mf253v ((free)) -

Some firmware versions have a hidden "Backup" option. Access via: http://192.168.0.1/cgi-bin/backup_settings.cgi

: Updates can expand support for different (U)SIM cards and network frequencies. 2. Where to Download ZTE MF253V Firmware Firmware Zte Mf253v

Place an empty file named telnet_enable on a USB drive, reboot, and Telnet opens on port 23. root / Zte521 (or blank). Some firmware versions have a hidden "Backup" option