Here you find all the latest firmwares for the UMIDIGI A1 Pro Stock ROM, You can flash them using SP Flash Tools. Download Is completely free but you have to have a account to access download links.
How To Flash UMIDIGI A1 Pro Stock ROM
- First you need to Download the firmware from the link in the end of this post
- Install Drivers for your phone
- You need to download SP Flash Tools from here
- Extract SP Flash Tool And the firmware
- Open “flash_tool.exe”
- Scatter-loading file click chose
- Find Scatter file inside firmware files you just extracted before
- Change download method from “Download Only” to “Firmware Upgrade” (if you get an error “PMT changed for the ROM” try with “Download Only”)
- Click Download
- Power off your phone
- After phone is powered off hold volume up button and connect your phone to PC via USB (when flash start, no need to hold volume button)
- Wait While downloading until you see a Download OK and a green sign.
Download Link : android.bardtech.com_UMI_a1pro_20180601.rar