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In front of me is HTC Desire 20 Plus and let me show you some of the secret codes that
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you can use on this device. So first of all, you need to reach your phone dialer and go to Keypad Then and let me start
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with the first code that I would like to share with you today and it will redirect us to
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HTC Function Test and the code for this is asterisk, pound, asterisk, pound and then 3424
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Then pound, asterisk, pound, asterisk. And as you can see here we are in Function Test so you can smoothly accept or cancel
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the instructions. So let me click on Accept and here you can click on Auto Test or Test Results
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So let me click on Auto Test and now you can check it if it passed or not
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Okay, so I don't have a SIM card inserted so this is why
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And now we can check the display by tapping on the screen and you can see all the colors
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and check if they are working properly. And it definitely passed
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So you can go back now, you can go through the all tests if you want to but I will just
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skip it for now as I would like to share with you some more codes and now we can open Test
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and Mode performed by Google so it's a bit different. To enter it just click asterisk, pound, asterisk, pound, 4, 6, 3, 6, pound, asterisk and pound, asterisk
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And here we've got Google Test and Mode where you can check phone information, user statistics
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and also Wi-Fi details. So just click on phone information to check the first area and as you can see here you
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can check current network, signal strength, voice service, data service and so on and
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it also allows you to perform ping test so just click on run ping test and here it is
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So as you can see here you've got all the phone info
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So let me go back. Then under user statistics you can check details regarding your apps and their usage and then
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in Wi-Fi information you can check Wi-Fi APA, Wi-Fi configuration and also Wi-Fi status
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In Wi-Fi status you will also find a ping test option so smoothly click on run ping
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test to perform this operation. Obviously to check the Wi-Fi info just refresh statistics
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So this is it. Let me go back. And now another code that I would like to show you is FCM Diagnostic Mode
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To enter it just press asterisk, pound, asterisk, pound, 4, 2, 6, pound, asterisk, pound, asterisk
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And here we've got FCM Diagnostic Mode where you can check events and also status and if
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you click on more icon you'll be able to see more advanced details
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So here you've got them. And then simply go back to close this panel
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Another code that you can use here is calendar info so just enter asterisk, pound, asterisk
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pound, double to 5, pound, asterisk, pound, asterisk. And here you've got all information that you have in your Google calendar, iPhone calendar
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whichever account is connected with this device. So then you'll be able to see all upcoming events, you will not forget about them so
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it's super useful. I truly recommend using it. And the last code that I would like to show you today, a very useful one, also the shortest
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will show you the phone information, the email number for example. And it's asterisk, pound, asterisk, pound
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And here you've got. And right under email numbers you've got serial number as well
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So this is it. These are all codes that I wanted to share with you today. Thank you for watching
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