+ Wednesday September 18th, 2019

If you own an OPPO or OnePlus phone and are a curious person who likes to go behind the scenes of your phone operations, or your device is having issues, and you’d like to test the hardware to rule out component failure you can access “Engineer Mode” to run a wide variety of Hardware Diagnostic Tests.

Tests include headphone jack, front and back cameras, battery charging, searching for a Bluetooth device, Gyroscope and many many more.

To access Engineer Mode go to the phone app and type *#808#

I’ve taken screenshots of the results of doing this on the OPPO R9s Plus and OPPO R9s below.

The resulting Engineer Mode menu’s are different with some of the R9s menu choices not being in English. Please don’t select these unless you can read Chinese characters and know what that test does!

Engineer Mode Shortcuts

If you use an alternative Launcher like Nova or Action Launcher you can make shortcuts to specific hardware tests by going to Widgets, Activities, EngineerMode as shown below

OPPO R9s Plus Engineer Mode

OPPO R9s Engineer Mode

Source: XDA Developers.

Neerav Bhatt   Associate

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Neerav has been interested in Android phones since he bought the 1st one ever released (HTC Dream/G1). He has never bought an Apple product :-) His dream phone would have stock Android OS, fast high-res camera and swappable 4000mAh battery.

Profile: Community Spirited, Influencer, Knack for Technology, Environmentalist. Experienced: Librarian, Journalist, Photographer, IT Sales & Support

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how do i change imei from this mode???

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