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Here I have Alcatel 3 and let me show you how to use secret codes on the following device
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So at the very beginning let's start by using your home screen, let's use fonts dialer and
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here let me start with the first secret code, so with the hardware test mode
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Let's insert here asterisk hash 2886 hash. As you can see the hardware test mode pops up so here you can perform the automatic hardware
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test or you can use manual, let me choose manual. Here you can test for example the colors of your LCD, let me test the black, let me test
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the following colors, you can tap pass or fail. You can also test here the main camera, front camera, you can test the charger, receiver
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let me test the receiver, the speaker, vibrator or headset and a lot of more
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If you would like to quit this mode let's use the back key. Now let me show you how to perform the entering the Android testing menu, all you have to
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do is enter this code asterisk hash asterisk hash 4636 hash asterisk hash asterisk
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As you can see the Android testing menu pops up right here, so now let's navigate here
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by tapping appropriate options, you can check here the phone information, here you can read
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a lot of interesting features and information such as the signal strength, voice service
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you can also run here a ping test or for example use more key to select radio band, view sim
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address book, view fixed dialing numbers or for example enable data connection
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Let's go back, here you can also choose usage statistics, here you've got the list of all
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apps from your device and you can read the last time used or usage time
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Use back key, here you can also tap Wi-Fi information when you can use Wi-Fi API, here
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you can disable network, disconnect network, enable network or get connection info
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You can also here use Wi-Fi config and see configured networks from your device or you
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may tap Wi-Fi status to see the statistics about your Wi-Fi. Alright let me quit the Android testing menu, this time let me open the calendar info so
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let's use asterisk hash asterisk hash 225 hash asterisk hash asterisk. The calendar info just pops up so you can read a couple of information from your calendar
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if you would like to quit it let's use a back key, this time let's open Google Play Services
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mode so let's use asterisk hash asterisk hash 426 hash asterisk hash asterisk
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The Google Play Services pops up, here you can use ping, connect, events or status
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Let me quit this menu and this time at the end of the secret code let me show you the
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email number code so let's use asterisk hash 06 hash and the email number pops up right
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here, tap OK to close this window, let's go back and that's it
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