How To Use Secret Codes On Oppo A9 2020 Upd Online

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#

. These codes, also known as MMI or USSD codes, trigger hidden diagnostic menus and system information screens that are not accessible through standard settings. How to Enter Codes (Dialer) app on your device. Type the code exactly as written (starting with

Step 3: Wait for the Hidden Menu

After typing the last #, the screen will switch to a test menu or display information. how to use secret codes on oppo a9 2020 upd

*#07# – SAR Level: Shows the Specific Absorption Rate (radiation level) for your device. Advanced Testing & Network Codes

These codes allow you to check hardware, software, and diagnostic information directly: Accessing secret codes on your OPPO A9 2020

A. Factory Data Reset

To use secret codes on your OPPO A9 2020 Phone (Dialer) app and type the code exactly as shown How to Enter Codes (Dialer) app on your device

. For most codes, the hidden menu will open automatically once you type the final symbol—you do not need to press the "Call" button. Prizm Institute Essential Secret Codes Secret Code Engineer / Service Mode IMEI Number Full Software Information Hardware Revision (PCB) Maximum SAR Level FCM Diagnostics *#*#426#*#* Calendar Info *#*#225#*#* Feedback/Bug Reporting Specific Hidden Menus Engineer Mode (

Provides advanced information about the battery, Wi-Fi status, and app usage. *#*#225#*#* Calendar Info