How to Access OnePlus/OPPO Device’s “Hidden” Hardware Diagnostic Tests

Usually, when a smartphone enters the market for sales, it has to go through a number of hardware diagnostic tests. This is carried out by the manufacturer to ensure that the particular unit being sold has good hardware. Otherwise, it may land in the hands of any unfortunate customer and he may face issues with the new device. Now, this is not limited to new products only. If you are buying any older devices, then using these diagnostic tests you can check for the hardware stability. Otherwise, someone may fool you by selling you a faulty unit and you then keep running to the repair stores. So, in this post, we will tell you how to Access OnePlus/OPPO Device’s “Hidden” Hardware Diagnostic Tests.

Remember that this diagnostic test for hardware components presented in this guide is possible only with OnePlus and OPPO devices. It won’t possibly work on other devices. Every device has their specific set of codes to conduct hardware diagnostic tests. We have also put up a basic list of various diagnostic tests carried out for OnePlus and OPPO devices.

If you use launchers such as Action or Nova Launcher, then you will see a shortcut to these tests and menus to your home screen via the Activities Launcher. To access it go to Widgets > Activities > scroll down to EngineerMode.

List of Various Hardware Diagnostic Tests

Here is a list of the various diagnostic test for hardware that can be performed on OnePlus and OPPO smartphones.

  • Screen components
  • Hardware keys
  • Speaker impedance
  • Vibration
  • Headset plug
  • Charger (normal & fast)
  • LCD brightness and effects
  • Gyroscope
  • Msensor
  • Proximity Sensor
  • GPS
  • Root checking
  • Erase all data on the phone

You can see the screenshots here so that you know how the hardware diagnostic test tabs for various hardware portions look like.

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How To Access OnePlus/OPPO Device’s “Hidden” Hardware Diagnostic Tests

Step-1 Go to Phone App > Open the Dialer/Number Pad

Step-2 Type the code *#808# into the dialer app. It will open a page with a complete list of the diagnostic tests available.

Step-3 Type the code *#80X# will take you to individual tests. You have to simply replace the X in the code with a number.

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So, if you use the Oppo or OnePlus device, then use this guide to check the hardware stability of your phone. We hope this guide was helpful to you.

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