Zain has released Huawei E5372 WiFi mobile router in Saudi Arabia, which works well with the Zain carrier. But, you can not use any another network SIM, as it comes with customized firmware version 21.270.13.00.375 and 21.236.03.00.375. When you will detect it under DC unlocker, you will get the details like:

selection :
manufacturer – Huawei modems
model – Auto detect (recommended)

Found Applications port COM4

Found modem: E5372
Model: Huawei E5372 / MegaFon MR100-3
IMEI : 864************
Serial NR. : N7GDW14920001642
Firmware: 21.270.13.00.375
Compile date / time : Aug 25 2014 11:28:30
Hardware ver. : CL1E5372SM
Dashboard version: WEBUI_15.100.10.00.375_V7R1
SIM Lock status: unlocked
Wrong codes entered : 10 (unlock attempts left : 0)

In Saudi Arabia, there is other firmware’s version 21.236.03.00.375 and WebUI version 13.100.08.00.375 available, which is also locked to Zain network. The same unlocking solution will work for it also, means you can unlock E5372 with a correct SIMlock cod.

When you will change the default SIM with another network provider SIM and after plugging the PC using USB, it will be redirected to the unlocking page, but with zero attempts left, means you can not enter any unlock code in it.

Zain Huawei E5372 WiFi Mobile RouterTo be able to unlock the Huawei E5372 Zain Saudi Arabia MiFi router, you need to change the customized firmware from un-customized firmware version 21.221.19.00.375 (Download link). After updating the firmware, now you will get the option to enter the unlock code / NCK code.

Enter Unlock Code in Zain E5372 Huawei Router

DC Unlocker details after changing the firmware:

DC – Unlocker 2 Client 1.00.1125

Detecting modem:

selection :
manufacturer – Huawei modems
model – Auto detect (recommended)

Found Applications port COM4

Found modem : E5372
Model : Huawei E5372 / MegaFon MR100-3
IMEI : 864578015768922
Serial NR. : N7GDW14920001642
Firmware : 21.221.19.00.375
Compile date / time : Jul 01 2013 18:31:40
Hardware ver. : CL1E5372SM
Dashboard version : WEBUI_15.100.10.00.375_V7R1
SIM Lock status : locked
Wrong codes entered : 0 (unlock attempts left : 10)

How long we need to wait for a Huawei unlock code?

The approximate delivery time for a Huawei unlock code is 10 minutes to 8 hrs.

The average response time for a Huawei unlock code is 30 minutes (based on last 100 orders).

How to Upgrade the Firmware of Huawei E5372 WiFi Mobile Router (Zain Saudi Arabia)?

1. Download above mentioned firmware and unzip in a folder.

2. Connect the router to PC using USB cable.

3. Disconnect internet, close the web browser or any software which is using the E5372.

4. Now, run the firmware update.

5. The firmware update may ask the password (To get the password mention IMEI and model in comment).

6. After a few minutes, it will be upgraded to a new un-customized firmware.

7. Now, you can easily unlock the Zain E5372 with correct unlock code.

Note: Don’t try any free or wrong codes into Huawei E5372 Zain router, otherwise it will be locked permanently.

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