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Here I have Samsung Galaxy A3 2016 and let me show you how to open the test modes on
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the following device. At the very beginning let me start by using my home screen
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Let me find and select the phone icon in order to open the phone's dialer and let me open
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the first test menu. Let's open star hash 7353 and hash. As you can see test mode just pops up
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Here you can test a couple of features from your device. You can navigate here by tapping appropriate options and let's for example test the melody
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the vibration. You may also test the speaker, timing, camera, bluetooth, let's go back, the accelerometer
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sensor, proximity sensor, light sensor, dot mode and other stuff. If you would like to quit this mode let's use your back arrow
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Now let me show you the second testing menu. Let's use the following one, star hash, 0, star hash and another testing menu just pops up
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Here you can test some more features, for example all colors from your device, the red
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one, the green one, the red one, also the blue, the black
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You may also test such things as vibration, receiver, sub key and you have to use all
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keys from your device to make sure that everything is alright. Excellent, let's go back
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And other stuff such as sleep, speaker, front camera, timing and low frequency
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If you would like to quit this mode let's use your back arrow a couple of times and
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now you may use your phone in a normal mode. So everything went well, thank you for watching, please subscribe our channel, leave thumbs
