B311-221 Unlock Firmware

provide remote IMEI-based unlocking. You simply enter your IMEI, pay a fee, and receive a code to enter into the router's web interface (192.168.8.1). 2. Custom Firmware Flashing

| Feature | Locked Firmware | Unlocked Firmware | |--------|----------------|-------------------| | Any SIM | ❌ | ✅ | | Band Locking (LTE B1/B3/B7/B20/B38) | ❌ | ✅ | | TTL Bypass (for hotspot) | ❌ | ✅ | | Advanced Antenna Settings | Partial | Full | | Custom APN Profiles | Limited | Unlimited | B311-221 Unlock Firmware

| | Risks | | --- | --- | | Use cheap local SIMs while traveling. | Bricking – Power loss during flashing kills the device. | | Increase resale value of your router. | Warranty void – Flashing custom firmware breaks the warranty. | | Choose your own APN (good for IoT SIMs). | IMEI issues – Modifying IMEI (and some firmwares allow it) is illegal in many jurisdictions. | | Enable band selection to improve signal. | False malware – Unverified firmwares may contain backdoors. | provide remote IMEI-based unlocking

You can check your current software version by logging into the admin panel and going to Advanced > System > Device Information . Custom Firmware Flashing | Feature | Locked Firmware

✅ :

Official firmware updates, such as version 10.0.1.1 , often improve SMS functionality, firewall settings, and IPv4/IPv6 support but do not automatically unlock the device. Platform: The is built on the Balong V700R11 chipset.