Download the Oppo A5 2020 (CPH1931) Mobile emmc dump file, the dump file helps to create the initial emmc partition with the boot configuration. You can write to EMMC dump file using UFI Emmc toolbox or Easy jtag plus box so that you can solve Oppo A5 2020 (CPH1931) emmc problems.
Download Oppo A5 2020 (CPH1931) Emmc Dump
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How to install dump file Oppo A5 2020 (CPH1931) Plus Emmc
Here we use UFI EMMC ToolBox to install the dump file you can also use the Easy JTAG Plus Box.
Download the dump file and extract using Winrar or 7zip software.
Open UFI toolbox and connect Emmc to the UFI socket.
Identify the emmc in UFI emmc toolbox.
Select the extcsd, userarea, boot1, boot2 files and write on emmc.
Done emmc is ready to flash Firmware.