: Export your current configuration via System Tools > Backup & Restore before starting.

with poor performance, seeking a "hot" unlocked firmware is likely beneficial, provided you follow safe flashing procedures. However, if your router functions well, the risks of applying third-party patches often outweigh the benefits.

Protecting your network from known vulnerabilities.

Many B612-233 units are sold "locked" to a specific network. Custom firmware can remove these locks, allowing you to use any SIM card globally.