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Here I have HTC Desire 8020 and let me show you how to use secret code on the following device
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So at the very beginning let me open the fonts dialer and let me show you the first secret
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code, so the HTC Function Test Program. Let's use the following secret code, asterix hash, asterix hash, 3424 hash asterix, hash asterix
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As you can see the following HTC Function Test Program pops up, let me tap accept to
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the following agreements and here you can perform the following test. For example let me choose audio test, tap run, the device is testing the audio
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Let's use the back key to go next, here you've got the receiver test
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If it works normally let's tap yes, here you can test both speaker
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Let me tap yes. Here you can test your mic, let's just tap rec to record your voice, tap stop, tap play
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Alright let me tap stop, let's tap yes to work normally, let me go back
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You can test other audio features, here you can also test satavised bluetooth, charger
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headset, vibrator, button, flashlight and other. You can select all and perform the test of all hardware features or you can also tap
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more and here for example you can use the battery test, you can perform the hard reset
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operation, you can enter the save mode and you can accomplish a couple of useful operations
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also here. Let me go back to quit this HTC function program, let me tap back here, let's use back key again
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and now let me show you how to use other secret codes. Let me enter the android testing menu, so we need to use the asterisk hash, asterisk
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hash, 4636, hash asterisk, hash asterisk. As you can see the testing menu just pops up so here you can navigate by tapping appropriate
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options, let's choose phone information for example, here you can run a ping test or use
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other features, for example you can turn off the radio, you may also use more key to select
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radio band, to view sim address book, view fixed dialing numbers or get PDP list
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Let's go back, here you can also choose usage statistics, here you can read the information
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about your apps, the last time used and usage time. Let me go back, you can also select wifi information, here you've got the wifi API, here you may
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disable network, disconnect network, enable network and use other stuff, you can also
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use wifi config, so here you should find the configured networks if you have some, you
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may also here choose wifi status. Alright let's go back, let me quit this testing menu and now let me open the Google Play service
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so you need to use asterisk hash, asterisk hash, 426, hash asterisk, hash asterisk
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As you can see Google Play services pops up, so here you can use this menu to choose ping
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connect, disconnect, events or status. Use back key and now let's use the debug UI, so let's use this code, asterisk hash, asterisk
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hash, 759, hash asterisk, hash asterisk. The debug UI just pops up, here you can change OEM mode, you can view clients IDs or you
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can read the following info. And at the end let me show you the last code, so let me show you how to check email number
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by using the secret code, let's use asterisk hash, 06, hash and the email number should
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pops up. So that's it, everything went well, thank you for watching, please subscribe our channel
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