Unlock Firmware Download Work: Dialog Huawei B310s-925

The B310s-925 is a 4G LTE CPE router used by major ISPs like and SLT in Sri Lanka. While it offers stable connectivity, the firmware provided by these ISPs restricts the device to their respective networks. Unlocking involves flashing a "modified" or "unlocked" firmware version, such as 21.321.03.00.297 or 21.321.03.01.1226 , which enables universal SIM support. Prerequisites for Unlocking Before you begin, ensure you have the following:

Flashing is most stable over a physical Ethernet connection.

Wait for the router to restart. If it successfully accepts the file, your router may be unlocked. Method 2: Multicast Force Upgrade dialog huawei b310s-925 unlock firmware download

Using the wrong firmware version or losing power during the flashing process can "brick" the device, making it unusable.

Run the Multicast Upgrade Tool , select your PC's network card, and check the "Force Upgrade" box. Loading: Select the unlocked BIN file and click Start . The B310s-925 is a 4G LTE CPE router

Note that the B310s-925 may only support specific LTE bands (like 38 and 40), which might limit its performance with some mobile SIM cards compared to the more versatile B310s-927 model. Where to Find Files Unlocking Huawei B310s-925 Firmware Guide | PDF - Scribd

Plug the LAN cable into the router and switch the router ON . Prerequisites for Unlocking Before you begin, ensure you

Once the router's Network LED turns GREEN , click Stop in the tool.