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In this tutorial I'm going to show you how to check if your phone works properly without
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activating the device. In order to do this I'm going to enter the factory mode and perform a basic automatic test
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Here I have my phone Luna and I'm going to do this on this device
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First of all hold down the power key and tap power off
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Afterwards use the following combination of keys, power key and volume down
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Hold down together these two keys for a few seconds. You can release both of them as soon as my phone Luna logo appears on the screen
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And you should see now the factory mode menu. You can navigate here by using volume down and choose any of options by using power key
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Here we have a couple of available tests. I'm going to go through auto tests which is the most commonly used
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So in order to do this I should simply press the power key
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Now the phone is going through all tests automatically. I have to wait until the device finished checking all features
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As you can see the test give us a report
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You can read which features and options work properly and which don't
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In order to go back you have to press volume up. Now you should use volume down to highlight reboot and choose this option by pressing power key
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The phone is rebooting. Thank you for watching
