Download : OPPO A9S PCHM10 – Flash File (SBR) on your Computer. Firmware comes in a ZIP Package, which contains SBR Flash File, Flash Tool, USB Driver, and How-to Flash Manual.
OPPO A9S PCHM10
The Flash File will help you to Upgrade, Downgrade, or re-install the Stock Firmware (OS) on your Mobile Device.
The Flash File (ROM) also helps you to repair the Mobile device, if it is facing any Software Issue, Bootloop Issue, IMEI Issue, or Dead Issue.