Patched firmwares usually restore the original factory master credentials. Try the following combinations at the login screen: admin | Password: admin Username: administrator | Password: administrator Username: telecomadmin | Password: admintelecom Troubleshooting Common Issues
Unlocks hidden menus including advanced routing, QoS, and bridging.
ZTE - ZXHN H108N - Firmware change - SNBForums
Locate the , Administration , or System Tools menu. Click on Firmware Upgrade .
This is the software pre-installed on the device by providers like Vodafone, Wind, Cosmote, or TE Data. Heavily locked down.