Download Infinix X521 Pro Firmware (Flash File)

Here you can download MediaTek MT6753 based Scatter Stock Firmware for the Infinix X521 Pro Android device. The downloadable files High Compressed in an archive, You will get the Flash File after extraction. Included contains Flash Tool, USB Driver and how-to Flash manual instructions.

[*] Chipset: MediaTek MT6753.
[*] Driver: MTK USB Driver.
[*] Flash Tool: Smart Phone Flash Tool.

Firmware for Infinix X521 pro

Build Number: X521-J5086D1-M-161202V64
Android Version: v6.0 (Marshmallow)
Download Size: 1.65 GB


Build Number: X521-J5086H1-M-161202V7
Android Version: v6.0 (Marshmallow)
Download Size: 1.65 GB


Build Number: X521-J5088C1-M-160929V89
Android Version: v6.0 (Marshmallow)
Download Size: 1.61 GB


Build Number: X521-J5088C1-M-161228V118
Android Version: v6.0 (Marshmallow)
Download Size: 1.64 GB


Build Number: X521-J5088G1-M-161229V20
Android Version: v6.0 (Marshmallow)
Download Size: 1.64 GB



[*] Backup: During the flashing process SP Flash Tool tool will erase user data from the phone. So you need to backup for restoring those files on your device.

[*] Device Information: The Infinix X521 Pro phone powered by MediaTek MT6753 CPU. So you need to use MTK SP Flash Tool and MTK USB Driver to flash Firmware on this device.

[*] Flashing Information: You should use only the “Firmware Upgrade” option in SP Flash Tool when you want to reinstall or upgrade the Software of your device. – “Format + Download” option only for Engineering Purpose.