Oppo Secret Code: Screen test, Display & Sensor Check
Oppo smartphones come with a wide range of hidden features that can be accessed using Oppo secret codes and Oppo test codes. These hidden codes let you perform advanced diagnostics, run hardware tests, and explore engineering tools that are not visible in normal settings.
Using these Oppo phone codes, you can easily check your screen, touch, battery, sensors, and overall system performance. Below is the updated Oppo secret codes list 2025 to help you access hidden options, improve device performance, and troubleshoot common problems.
What Are Oppo Secret Codes?
Oppo secret codes (also known as Oppo dialer codes or Oppo USSD codes) are unique numeric or alphanumeric commands that unlock hidden menus and functions on your smartphone.
By entering these Oppo codes in your phone’s dial pad, you can perform a wide range of tasks like:
- Checking your IMEI, hardware, and system info
- Running full Oppo hardware test codes
- Testing sensors, display, and vibration functions
- Accessing Oppo engineering mode code for advanced settings
Many users also use Oppo mobile check code or Oppo phone test code to verify device authenticity or check software versions.
Why Use Oppo Secret Codes?
There are several benefits to using Oppo test codes and Oppo checking codes in 2025:
- Run Hardware Tests: Use Oppo hardware test code to check if your touchscreen, speaker, mic, and sensors are working properly.
- Access Engineering Mode: The Oppo engineering mode code helps you run deeper performance checks.
- Battery Diagnostics: Use Oppo battery reset code or Oppo battery check code to review battery health.
- Screen and Touch Testing: Verify display accuracy with Oppo display check code or Oppo touch check code.
- Quick Troubleshooting: Many Oppo secret codes can fix lag, calibration, or performance issues.
How to Use Oppo Secret Codes
- Open Dialer App – Go to the phone app where you make calls.
- Enter the Code – For example, type
*#899#or##4636##. - Press Call/Wait – The code will trigger a hidden menu or run a test.
- View the Results – Check information or follow test instructions.
Note: Some Oppo USSD codes or MMI codes may not work on all models due to region or ColorOS version differences.
Oppo Engineering Mode Code 2025
One of the most useful codes is the engineering mode code for Oppo, which provides in-depth access to your phone’s internal settings.
- Code:
*#36446337#or*#800# - Purpose: Opens the Oppo engineering mode, allowing advanced users to test components like display, camera, sensors, and network modules.
This is especially useful for technicians who need to perform system-level tests.
Oppo Code *#899# — All-in-One Test Mode
The most popular code is Oppo code *#899#, which opens a full diagnostic menu.
You can test display, vibration, audio, camera, proximity, sensors, GPS, and more from one place.
This single code acts as:
- Oppo hardware test code
- Oppo display check code
- Oppo touch screen test code
- Oppo phone test code
Simply open your dialer, type *#899#, and explore all available test functions.
Complete Oppo Secret Codes List (2025 Updated)
| Function | Oppo Code | Purpose |
|---|---|---|
| IMEI Number | *#06# | Displays unique IMEI number |
| Model Information | *#899# | Shows Oppo model & test options |
| Software Version | *#1234# | Displays firmware/software version |
| Engineering Mode | *#36446337# / *#800# | Opens engineering mode for testing |
| Display Test | ##0*## | Runs full display test (Oppo screen test code) |
| Touchscreen Test | ##2664## | Checks multi-touch performance (Oppo touch check code) |
| Battery Info | ##4636## | Displays battery stats & network info |
| Battery Reset | *#0228# | Runs Oppo battery reset code |
| Audio Test | ##0289## | Tests speaker & microphone |
| Vibration Test | ##0842## | Tests vibration motor |
| Proximity Sensor | ##0588## | Runs Oppo sensor check code |
| GPS Test | ##1575## | GPS signal and accuracy test |
| Bluetooth Test | ##232331## | Bluetooth connectivity test |
| Wi-Fi Test | ##232339## | Wireless network test |
| RAM Info | ##3264## | Checks RAM version |
| Factory Reset | 27673855# | Performs full factory reset |
| System Info | ##4636## | Displays system and network information |
| USB Settings | *#0808# | Access USB service mode |
| Camera Info | ##34971539## | Displays camera hardware and firmware info |
| Service Menu | *#0011# | Opens advanced service options |
| Emergency Power Off | ##7594## | Triggers Oppo emergency code |
Oppo Display, Touch & Sensor Test Codes
Testing your phone’s visuals and sensors helps detect hidden issues.
- Oppo display check code:
##0*## - Oppo screen test code:
*#0*# - Oppo touch check code:
##2664## - Oppo touch screen test code:
##2663## - Oppo sensor check code:
##0588## - Oppo vibration test code:
##0842##
These are essential before buying, repairing, or calibrating your phone.
Oppo Battery, Hardware & Diagnostic Codes
Maintaining performance depends on battery health and calibration.
Use these Oppo diagnostic codes:
- Oppo battery reset code:
*#0228# - Oppo hardware test code:
*#899#or##64663## - Oppo checking code:
##4636## - Oppo calibration code:
##2663##(for display calibration)
These codes help maintain accurate battery readings and hardware reliability.
Oppo Mobile Check Codes & Phone Information Codes
To check your device details, use these Oppo mobile check codes:
- IMEI number: *#06#
- Software & firmware: *#1234#
- System info: ##4636##
- Device version: *#899#
These Oppo phone check codes ensure your device is genuine and updated.
Oppo USSD Codes & Emergency Codes
In addition to technical testing, Oppo USSD codes and Oppo emergency codes allow you to perform quick carrier and system checks.
| Purpose | Code |
|---|---|
| Check balance | *123# |
| SIM info | *#100# |
| Call forwarding status | *#21# |
| Oppo emergency code | ##7594## |
| Oppo dialer code for system check | *#899# |
Troubleshooting with Oppo Codes
These Oppo testing codes help you identify issues quickly:
- Network problems: Use
##4636##to check connection data. - Sound issues: Use
##0289##to test speaker/mic. - Touch errors: Use
##2664##to recalibrate touch. - Overheating: Check battery stats via
*#0228#.
FAQs About Oppo Secret Codes 2025
What is the Oppo engineering mode code?
*#36446337# or *#800# opens engineering mode.
What does the Oppo code #899# do?
It runs full diagnostic and testing options.
How can I check my Oppo battery health?
Use ##4636## or *#0228#.
Are Oppo secret codes safe?
Yes, but avoid factory reset or firmware codes unless necessary.
What is the Oppo screen test code?
*#0*#or ##0*## for checking display and touch.
Conclusion
The Oppo secret codes list 2025 provides a complete set of tools to test, troubleshoot, and optimize your device. From Oppo hardware test code and Oppo battery reset code, to Oppo touch check code and Oppo engineering mode code, these hidden shortcuts make maintenance effortless.
Using the right Oppo codes, you can identify faults early, enhance system performance, and keep your smartphone running at its best.