The B311-221 is still a fantastic Cat6 router in 2025. It supports 2CA (Carrier Aggregation) and has external antenna ports. A network lock artificially cripples that potential.
: Required if the device is "hard-locked" (0 attempts remaining) or if the carrier has blocked the unlock code entry field. Method 1: Unlocking via Web Interface (Easiest)
The B311-221 is still a fantastic Cat6 router in 2025. It supports 2CA (Carrier Aggregation) and has external antenna ports. A network lock artificially cripples that potential.
: Required if the device is "hard-locked" (0 attempts remaining) or if the carrier has blocked the unlock code entry field. Method 1: Unlocking via Web Interface (Easiest)
