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In this tutorial I'm gonna show you how to check if your phone works properly without
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activating your device. In order to do this I'm gonna enter the factory mode and perform some basic tests
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Here I have my phone funky. First of all I should power off my device by tapping power button and OK
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Afterwards I should use the following combination of keys, power key and volume down
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I'm gonna hold down these two keys for a few seconds. Let go of this button as soon as funky logo appears on your screen
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And here you have a factory mode. You can navigate here by using volume down
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To check some basic features on your device you should choose either auto test or manual test
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I'm gonna show you how the auto test works. So press power key to choose it
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As you can see the phone is checking some basic features
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Everything is performing automatically. I'm not doing anything. Sometimes phone is asking us to do some tasks
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For example input headers
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And as a result we have a test report. We can see what goes well and where the phone finds some errors
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In order to go back you can press volume up. And if you want to quit the factory mode simply choose reboot by pressing volume down
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and press power key to begin the operation. The phone is resetting and rebooting
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Thank you for watching
