How to Unlock Huawei B310s Router

Unlock solution to remove the simlock on Huawei B310s and sub models. The procedure may change depending on the firmware version of your router.

Unlock solution to remove the simlock on Huawei B310s-22, B310s-518, B310s-925 and B310s-927. The procedure may change depending on the firmware version of your router. The required files for this tutorial will be sent to you if you want to use the hash code method. Place your order HERE

Unlock Huawei B310s with firmware starting 21.300 or 21.311

1 - Insert an unsupported SIM card and turn on your router.
2 - Connect the Huawei B310s to PC using LAN cable
3 - Open Huawei Toolbox and click connect.

4 - Go to API configuration, select API/DEVICE/MODE
5 - Click on GET and type the below lines in the “Write to API” section
<request> <mode>2</mode> </request>
6 - Click the button “Write directly to API”.
7 - If prompted, select yes and you may close the toolbox now.
8 - Open PuTTy and follow the instructions given in the screenshot below.

9 - Type ATI and press the ENTER Key
10 - Type AT^NVRDEX=50503,0,128 and press the enter key. Send us the NV code generated

11 - Type AT^RESET and press the ENTER Key, your router will restart.

Unlock Huawei B310s with USB cable
If the method mentioned above does not work, try this solution by following each step:

12 - Install Huawei Mobile Partner
13 - Dismantle the Huawei B310 and solder wires as shown in below image

14 - Connect the router to PC with USB cable
15 - Install DC-Unlocker then run the program.
16 - Once the device is detected copy and paste this this command: AT^NVRDEX=50503,0,128 at the end of the result as shown in the picture.

17 - Click the ENTER key on the keyboard
18 - Copy the hash code obtained and send us it to calculate your SIMlock code.

Unlock Huawei B310s with firmware starting 21.318 or 21.321
The boot shot method is the final solution to unblock your router, it erases NVRAM data but can be restored without any problem.

19 - After performing steps 12, 13 and 14. Here are the steps to follow.
20 - Touch the boot pin and ground of the board using a wire or metal.
21 – A new COM port should be visible: Device Manager >> Port (COM et LPT) >> Huawei Mobile Connect-3G PC UI interface (COM)
22 - Remove the wire or metal from the motherboard.
23 - Run Balong USB Downloader tool
24 - Click on the "Detect" button, your device will detected as BOOT_3G.
25 - Click on "..." then locate and select the usbloader bin file.
26 - Click on "Load" and wait until the progress bar is full, now close Balong tool.

27 - Remove USB cable from the motherboard.

Unlocking solution via server is available, codes come from the Huawei database. You have to provide the IMEI number of your device to get your network unlock code and interested people can pay HERE

Download Huawei Firmware | Huawei Flash Files

At, you can download Huawei flash files firmware, and software updates.

Firmware Update File