How To Open Fastboot Mode On Oppo A7x

Here's how to access fastboot mode on OPPO A7x using hardware buttons:

Plug your OPPO A7x into your computer using a high-quality USB cable.

There are several reasons why you might need to access fastboot mode on your OPPO A7x:

If your phone is currently powered on and you have a computer available, you can boot into Fastboot Mode using the Android Debug Bridge (ADB). Flash with Fastboot - Android Open Source Project

If your device is detected, you'll see a serial number listed. This indicates that you're successfully in fastboot mode.