How to Unlock Huawei E5573s-856 (MTN Cameroon) firmware 21.319.01.00.225

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Huawei E5573 is a new 4G mobile hotspot with LTE Category 4 technology, so it can support the download speed to 150mbps and upload speed to 50mbps. On the front, there are two single LED indicators for battery and signal strength. The backcover of Huawei E5573 is removable, it also have the external antenna connectors. Huawei E5573  works well on 4G/LTE network, while 3G and 2G networks are backward.


There are many sub-models for Huawei E5573 now worldwide with different operators and tags but all are unlock able..
– Huawei E5573s-156 (also known as MTS 8210FT)
– Huawei E5573s-508
– Huawei E5573s-320
– Huawei E5573s-606
– Huawei E5573s-607:
– Huawei E5573s-852
– Huawei E5573s-856
– Huawei E5573bs-320 (also known as Vodafone R216)

huawei_e5573_specsMain characteristics

• A type:External
• Class: 4G
• Interface: USB
• Colour: White, Black
• Firewall (Firewall) :YES
• Web-based interface: YES
• Standard Wi-Fi 802.11b: YES
• Wi-Fi 802.11g standard: YES
• Standard Wi-Fi 802.11n: YES
• Wi-Fi standard 802.11n (300 Mbps): YES
• Description: Modem with built-in battery 1500 mAh
• Dimensions: 73x73x30.7mm

How to Unlock Huawei E5573s-856 Router

1. In the first step get the Firmware Flash Code by just entering the IMEI of your device, use this tool to get the flash code it will be used as password while changing the firmware in step 2.

2. Now connect your device directly in USB port of your PC and install Universal Downgrade Firmware (21.110.99.xx.xx). It will ask for password, just put Flash Code from step #1.

3. Then unlock a modem

4.Then write update firmware 

5.Then your device restore to working mode
For more details please comment below