: Flip the router over and write down the 15-digit IMEI code printed on the sticker.
There are three main types of locks you might encounter: huawei b311s220 unlock firmware upd
He ran a speed test. The download speeds were exactly what the new provider had promised. He hadn't just unlocked the SIM; he had updated the router's internal software, stripping away the carrier's restrictions and giving himself total administrative control. : Flip the router over and write down