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Here I have Asus Zenfone 5Z and let me show you how to use secret codes on the following device
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At the very beginning let me start by using the home screen. Let me swipe to the left, choose Asus folder and let's open the calculator
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So right now let me show you the secret code to open the test menu
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So you need to use this code .12345++
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Alright this is SMMI test, so this is like the hardware test mode
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Here you can read a couple of useful information, you can use the CPU usage or check out the
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battery level. You can also use more key to see test results, to clear cache or to reset the following menu
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You can also perform all tests, so you can test all hardware features of the device or
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you can simply choose single test. So by using single test you can here test the fingerprint, bluetooth, wifi, sim card
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touch, camera, keypad, vibration. For example let me tap the vibration test, let me choose start
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You can see the information about the results, you can test again
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You can here also test the speaker
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So if the sound is ok let's tap pass. You can also use the speaker test, receiver, test camera, display and other stuff as well
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Let's go back to quit this mode and now it's time to use other secret codes
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In order to do it let's open the phones dialer and let's use the android testing menu
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You need to use this code, asterix pound, asterix pound, 4636 pound asterix, pound asterix
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The android testing menu pops up, here you can choose device information, you can read
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the email number, phone number, current network. You can run a ping test or use more key in order to view sim address, view fixed dialing
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numbers or enable data connection. Let's go back. You can also here use usage statistics, here you can read the important information about
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your apps, you can read the last time used or usage time
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You may also here tap wifi information when you can choose wifi api, so here you can disable
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network, disconnect network, enable network or get configured networks. You can also use here wifi config to read configured networks information or you can
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choose wifi status to read statistics about your wifi. You can also here refresh, start or run a ping test
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Use back key to quit this menu. Now it's time to check out the calendar info, so all you need to do is use this code, asterix
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pound, asterix pound, 225 pound asterix, pound asterix. As you can see calendar info pops up, so here you can read important information from your
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calendar such as events for example. Let's go back, now it's time to check out the google play service mode, so let's use
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asterix pound, asterix pound, 426 pound asterix, pound asterix. That's it, the google play service pops up, here you can choose ping, connect, disconnect
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or events. You may also check out the email number by using secret code, so all you need to do is
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use this code, asterix pound, 06 pound and the email number just pops up in front of you
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It's ok to confirm the operation, now you can start using your device in a normal way
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