If the internet does not connect automatically after inserting a new SIM card, the Access Point Name (APN) may need to be configured manually.
iptables -t mangle -I POSTROUTING -j TTL --ttl-set 65 unlock huawei b311221 install
Log in with the default credentials, which are typically for both username and password. Part 2: How to Unlock the Huawei B311-221 If the internet does not connect automatically after
Install a TTL mod script via telnet if using a mobile SIM with tethering restrictions (e.g., to bypass video throttling). Telnet into 192.168.8.1:23 (user: root , pass: admin or blank) and run: unlock huawei b311221 install
: Open a browser and enter http://192.168.8.1 . Log in with the default credentials (usually admin/admin ) found on the bottom label.