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.
Also Read
List of Various Hardware Diagnostic Tests
