I keeps providing various unlocking solutions. Recently I had written article to unlock E5776 WiFi Mobile Router Gateway. Today, we have got E5776 MTS RU firmware upgrade. As you may already know that firmware is essential part of any modem or router. If someone is facing problem with his router firmware then he can re-install his router firmware for free. Unlocked firmware also helps in unlocking the customised firmware routers. So, I am just sharing some firmware download links with you.
huawei e5776 4g mobile wifi router gateway
huawei e5776 4g mobile wifi router gateway
Download Router Firmware Huawei 821FT (E5776) WiFi Router Gateway

Firmware of 3G 4G router Huawei 821FT (E5776) from the operator MTS.

E5776_Update_21. Version

Download Russian MTS Huawei E5776 Firmware Update (18.3 MiB, 1996 downloads)
Firmware for 3G Wi-Fi router Gateway of Huawei E5830 MTS Firmware WLE58303023004_UPDATE_ALL_NO_QCSBL_V100R001C208B113SP03_USB
and dashboards (Dashboard UTPS13. _Update)

Nnative firmware for Huawei’s router Huawei E5832S 
Version: WLE5832S3095001_ALL_VERSION_V100R001C365 B311_USB

3G-WiFi Router Huawei E960, E970 router. Firmware router Huawei E960 firmware B_E9X0Upgrade-VDF

Router Firmware Huawei D100 Router D100_FW_Update

Firmware router Huawei B960, B970 WiFi Router Gateway

Firmware router Huawei B960, B970 version firmware: B_E9X0Upgrade-VDF

Router Firmware Huawei E5832 WiFi Router Gateway
Huawei E5832 router’s firmware with the included web interface. Version: E5832_Update_676.

Huawei E5830 router’s firmware with the included web interface E5830_Update_666.

Huawei E585 Router Firmware Version: Firmware Update (H3G UK) E585Update_1026.

Router Firmware Huawei E5830 WiFi Router Gateway
Router Firmware Huawei E5830 firmware update E583XUpdate_716.

Firmware Huawei E5832S WiFi Router Gateway
Router Firmware Huawei E5832S E5832sUpdate_956.

Firmware Huawei E5832 (E5832s) WiFi Router Gateway

Unlocking Fimware Update E5776_Update_21.

Upgrade the firmware of your Huawei Router at your own risk.