Here are some popular secret codes for Oppo A9 2020:
*#*#1472365#*#* Opens a standalone GPS test screen. You can see satellite count (GNSS), SNR ratios, and fix time. Great for checking if your navigation apps work correctly.
This comprehensive guide will walk you through everything you need to know about using secret codes on your Oppo A9 2020 (Updated). We'll explore how to access hidden menus, perform hardware tests, retrieve crucial device information, and safely utilize system tools—all from your phone's dialer.
Launches full manual/automatic factory hardware diagnostics. IMEI Identification how to use secret codes on oppo a9 2020 upd
| Code | What It Displays | |------|-----------------| | *#06# | The IMEI number (International Mobile Equipment Identity)—a 15-digit unique identifier | | *#07# | SAR (Specific Absorption Rate) value—the radiation level of your device | | *#1234# | Firmware build number and ColorOS version | | *#6776# | Detailed software information: Android version, kernel version, security patch, build date, and region | | *#888# | PCB (motherboard) serial number and hardware version | | *#12580*369# | Comprehensive software and hardware info | | *#*#4636#*#* | Android testing menu: phone information, battery stats, usage history, and Wi-Fi details |
: These codes can permanently delete your data, reset your phone to factory settings, or make system-wide changes. Do not use these codes without a complete backup of your data.
*#*#1029#*#* Allows you to apply a local OZIP or ZIP update file if you have downloaded the full ROM from OPPO’s support site. Do not use random files from the internet. Here are some popular secret codes for Oppo
| Code | Function | What It Does | | :--- | :--- | :--- | | | Android Testing Menu | A deep menu with information on your phone's battery, Wi-Fi, and network usage. You can also change the preferred network type here. | | *#808# | Manual Test Mode | Provides an interactive menu to manually test the screen, speakers, microphone, camera, and other key hardware components. | | *#807# | Automatic Test Mode | Runs an automated, comprehensive test of your phone's hardware, including the display, vibration motor, and both front and rear cameras. | | *#802# | GPS Test | Performs a TTFF (Time To First Fix) GPS test to check satellite connectivity. | | *#899# | After-Sales/Main Test | A comprehensive diagnostic suite often used by service centers. On many newer Oppo phones, this is the primary gateway to the full Engineer Mode, now often labeled "AfterSale". | | *#2663# | TSP / TSK Firmware Update | Used to update the firmware of the touchscreen panel (TSP) or touchscreen key (TSK). | | *#*#1472365#*#* | GPS Test (Quick) | Another code for a quick test of the GPS module. | | *#0*# | General Test Mode | A quick menu for testing the basic functions of the screen and sensors. |
These codes will erase data or reset your phone. Before using any reset code, —photos, contacts, documents, and app data.
To use secret codes on the Oppo A9 2020 Go to product viewer dialog for this item. This comprehensive guide will walk you through everything
. Most codes will execute automatically without needing to press the call button. Essential Secret Codes for OPPO A9 2020
These secret codes are short strings of numbers and symbols. They start with a star or hashtag and unlock hidden menus inside your phone. You can use them to test your screen, check your phone serial number, or see detailed system info.
| Code | Function | |------|-----------| | *#06# | Show IMEI numbers (for device identification). | | *#888# | Show PCB / hardware version info (sometimes works on Oppo). | | *#1234# | Show software/firmware version. | | *#6776# | Full device information (model, build date, Android version). | | *#*#4636#*#* | Phone info, battery stats, usage statistics (Android standard). | | *#*#3646633#*#* | Engineer Mode (hardware testing for sensors, touch, display). | | *#*#6484#*#* | Hardware test (vibration, speaker, buttons, camera). | | *#*#232338#*#* | Show Wi-Fi MAC address. | | *#*#2664#*#* | Touch screen test. | | *#*#3264#*#* | RAM version info. | | *#*#225#*#* | Calendar & storage info (Google Calendar events). | | *#*#426#*#* | Google Play Services diagnostic (check GMS connection). |
Go to Settings > About Phone, then tap “Build Number” seven times. This unlocks Developer Options, where you can enable USB debugging, monitor GPU usage, and change animation scales.