Free download Stock Firmware ROM (flash file) for Hotwav Cosmos V21 . Download the firmware with unlimited bandwidth links. The firmware is fully shared and free of charge.
The Flash File will help you upgrade, downgrade or reinstall the Stock Firmware (OS) to bring your mobile device to the factory state. Besides, the firmware file can also help you fix software errors, IMEI errors, application stopping errors, source errors, etc.
File Name: Hotwav_Cosmos_V21_SP7731GEA_220_20170627.zip
File Size: 686 MB
Flash Tool: SPD Flash Tool
[*] Take a Backup: Please backup your Hotwav Cosmos V21 device before installing the firmware.