firmware oppo r831 tested - oppo a77s vs redmi note 10 pro
$800.00
Oppo R831 Stock ROM (Firmware) The Oppo Stock ROM can update the device, downgrade the device, or fix the device facing a bootloop issue or any software issue. o cloud oppo login You can use the following link to get the ROM on your computer. firmware bb dakota 9900 File Name: Oppo_R831_MT6572_11_A 10_140828_OTA zip File Size: 552 MB