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Here I have HTC U12 Plus and let me show you how to enter the HTC function test mode on
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the following device. So at the very beginning let's start by using your home screen
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Let's open the fonts dialer right here and let's use the following secret code
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Asterix hash, asterix hash, three four, two four, hash asterix, hash asterix
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As you can see the HTC function test pops up. Let's tap accept and here you can do a couple of useful things
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For example you can perform the hardware test. You can test here the audio, bluetooth, charger, headset, sensors, vibrations, edge sensor
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blacklight, buttons, LED, wifi, camera and lots of more. For example if you would like to test something let's just click it
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For example vibrator test. Let's enable this menu and choose run. Tap start to test your vibrator
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So if it works normally tap yes. Now the vibrator is working
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Let's choose stop and as you can see you have to tap yes to confirm that the vibrator works normally
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You can also here select all and perform all tests. It's good sometimes to test all hardware features
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For example if you are buying or selling the device. That's it
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You can also unselect the whole thing by using the same key and you may also choose more
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to for example enter the save mode or to perform more tests such as the NFC, battery, a live
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call and some other stuff. So basically that's it. If you would like to quit this mode you can for example choose the following key and make
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it close and everything went well. Thank you for watching. Please subscribe our channel, leave thumbs up under the video
