After flashing, the modem reboots. Insert a non-original carrier SIM card. If you get a signal and can connect to the internet, the unlock succeeded.
Using AT commands via a terminal (PuTTY or HyperTerminal): zte ac2746 unlock firmware
You might wonder, “Why can’t I just buy a standard unlock code?” For many phones, a numeric unlock code works. For the ZTE AC2746, the situation is different: After flashing, the modem reboots
Before discussing firmware, let’s understand the hardware. The ZTE AC2746 is a category 4 LTE USB modem. Key specifications include: zte ac2746 unlock firmware
generally involves replacing or bypassing the carrier-restricted firmware to allow the modem to accept SIM cards from other network providers. This can be achieved through several methods: