On this page, we have shared the Assistant AS-5421 Stock ROM Firmware (Flash File), which can be used to reinstall your mobile device’s operating system (OS). The stock ROM comes in a compressed file along with the flash tool, USB driver, and a how-to-install manual.
Assistant AS-5421 Stock ROM Firmware (Flash File)
The Stock ROM (firmware) can be used to reinstall the operating system (OS) on the mobile device. It can be very handy when experiencing software errors, facing a device start-up loop, dealing with battery drain issues, or upgrading or downgrading the mobile OS.
File Name: Assistant_AS-5421_SN781710_V01_171115_SPD.zip
File Size: 542 MB
Flash Tool: SPD Flash Tool
How-to Flash (install): Follow Tutorial
How to flash or install Stock ROM (Firmware)
- Download and extract the Assistant AS-5421 Stock ROM on the computer.
- Once you have successfully extracted the stock ROM on the computer, you will get the Flash File, Flash Tool, USB driver, and a How-to install manual.
- Install the provided USB Driver on the computer. If you have already installed the respective USB Driver on the computer, then SKIP this step.
- Follow the How-to install manual to flash the Stock ROM on the Assistant AS-5421 device.
[*] Flash Tool: If you want to download the latest version of SPD Flash Tool, then head over to SPD Flash Tool page.
[*] Backup: If you are about to flash or install the above Stock ROM on your device, then take a backup, as flashing or installing the Stock ROM could wipe the data from the device.
[*] Credits: The above stock ROM was released by the device manufacturer and is in its original state. We have scanned the above stock ROM using Malwarebytes Premium before sharing it online.