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I have here my Mate 20 and let me show you how to use secret codes on the following device
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At the very beginning let's start by using your home screen. Let's open the fonts dialer and let's use the first secret code so let me open the project menu
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You have to input the asterisk pound, asterisk pound, 2846579 pound asterisk, pound asterisk
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As you can see project menu just pops up so here you can navigate by tapping appropriate options
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You can choose here the background settings and for example you can make background debug
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open, you can change USB port settings or use AP lock settings
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Let's go back. You can also get access to venue information, here you can read the version info right here
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the device processing data. Here you've got the kernel version, bootloader and other stuff
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You may also use the manufacturer info or use other info or verify key
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Let's go back. You can also open network information query. Here you've got two important tabs
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You can read the Simlog info so you can check out your Simlog status
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In my case it's deactive. You can also open vendor country info, in my case this is the Europe version
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Let's go back, tap close, use back key again and here you can also update your device by
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using software upgrade by using your memory card. You may accomplish the hard reset by using restore factory but let's just be careful
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with that option because you will lose all your data or you can choose battery charge
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So let me do it. Here you've got the battery level and battery temperature
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Use back key a couple of times to open the fonts dialer and this time let me show you
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how to open about font. Let's use asterix pound, asterix pound, zero zero, zero zero, pound asterix, pound asterix
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As you can see about font just pops up, you can read here build number, hardware version
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and other stuff. Let's go back. You can also open calendar info by using the asterix pound, asterix pound, two two five
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pound asterix, pound asterix. So here you've got the calendar info. Let's go back, let's open google play service, so let's use the asterix pound, asterix pound
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four two six, pound asterix, pound asterix. This is the google play service, you can read here ping, connect, disconnect or events
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Alright let's go back and this time let me show you how to open the email mode, so you
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need to enter the asterix pound, zero six, pound and the email mode pops up
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Here you've got also the serial number. So that's it, let's tap ok to close this window and basically everything went well
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Those are secret codes for Huawei Mate 20. Thank you for watching
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