2020 Upd — How To Use Secret Codes On Oppo A9
The OPPO A9 2020 Go to product viewer dialog for this item. remains a versatile device for many users, even after its permanent discontinuation. Understanding its hidden "secret codes" (also known as MMI or USSD codes) can help you troubleshoot hardware issues, check software versions, or perform diagnostic tests without needing external tools. How to Use Secret Codes on OPPO A9 2020
Accessing secret codes on your OPPO A9 2020 (CPH1937/CPH1931) allows you to perform hardware diagnostics, check software versions, and view battery health without navigating complex settings. 🛠️ Core Diagnostic Codes *#899#
IMEI Number Check (*#06#): Displays your device’s unique international mobile equipment identity, essential for warranty claims or reporting a lost phone. how to use secret codes on oppo a9 2020 upd
Feedback & Logs (*#800#): Opens a feedback menu where you can report issues like GPS lag or system bugs directly to OPPO. Quick Setup Guide Open Dialer: Access the Phone app on your home screen. Enter Code: Carefully type one of the codes above.
Phone Information. Detailed battery stats, Wi-Fi status, and network usage. 📝 Step-by-Step Guide Open Dialer: Tap the Phone app icon on your home screen. Enter Code: Carefully type the sequence (e.g., *#899#). The OPPO A9 2020 Go to product viewer dialog for this item
GPS Test Mode (*#802#): Enters an automated TTFF (Time to First Fix) test for GPS.
Instantly shows your phone's IMEI number, which is critical for tracking or unlocking. Hardware Version *#888# Code: *#*#3264#*#* What it does: Shows information about
- Code:
*#*#3264#*#* - What it does: Shows information about the device's RAM and internal memory usage.
Have a secret code that works on your OPPO A9 2020 not listed here? Share it in the comments below!

