Download Firmware Huawei E3531i-2 Update 21.521.31.00.356 Idea India

Extract Huawei E3531i-2 Firmware 21.521.31.00.356 on your computer

Install the Firmware update file for Huawei E3531i-2 downloaded from

Follow the procedure for updating Firmware that is given in Package.

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Firmware Details:

Huawei Flash File | Size: 15.37 MB

Version: 21.521.31.00.356

Operator:Idea India

Operating systems: Windows 7/8/10/XP/Vista

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Huawei E3531i-2 Firmware Download


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