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Here we've got HTC Desire 21 Pro and let me show you secret codes that you can use on
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this device. So let's first need to access PhoneGaller as this is the place where we will be entering
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those codes. Now click on keypad and let me start with the first code which is asterix pound asterix
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pound three four two four pound asterix pound asterix. And here we've got the function test so if you want to activate it just tap on accept
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and you can and you can either use auto test or check the result test the result
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I will click on auto test and we can check it so it's definitely okay okay and let me
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start the NFC. Let's go to display. I do not have this sensor
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Okay so now we've got the the display test so just keep tapping to check if the colors
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are correct. So as you can see it definitely worked properly so let's click on pass and let me go back
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now as then you can obviously check everything like SD card, the voice recorder, the sound
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and so on but it's up to you whatever you want to test just go through all of it and
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then check your device. And let me open another testing mode. This one is performed by Google and to open it you need to press asterix pound asterix
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pound four six three six pound asterix pound asterix. And here you can check phone info, user statistics and also Wi-Fi information
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So if you will open phone info you will find here phone number, email, number, current
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network, signal strength, voice service, voice network type and so on. This panel allows you to run a ping test as well
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Just click here to do it and as you can see below you've got the results
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Then you can check user statistics where all details regarding your apps are located so
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you can check last time used and also the usage time and all apps are included here
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And then you've got Wi-Fi information where you can locate Wi-Fi APA, Wi-Fi configuration
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and also status of your Wi-Fi and if you click on Wi-Fi status you'll be able to perform
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a ping test here as well. So this is it. I will also refresh Wi-Fi status
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So this is it. That will be all. Let me go back and now it's time for another code and this one is a FCM diagnostic panel
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To access it just enter asterix pound asterix pound four two six pound asterix pound asterix
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And here you've got the test FCM diagnostic mode where you can check events and also status
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and filled up on more icon. Let's click on advanced view and here you've got some more information
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So this is it. Let me go back and now we will open the calendar info
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To open such panel just enter asterix pound asterix pound double to five pound asterix
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pound asterix. And as you can see I'm not logged in with any of my accounts
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If you activated your Google account any other of your accounts like for example iPhone account
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it will all be visible here so no need to worry as you'll be provided with the details
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regarding each of your meeting of the scheduled date. So that will be all for this one
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And the last code that I would like to share with you today also the shortest one is asterix
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pound 06 pound. And as you can see this one will provide you with a device information which are email
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numbers and also serial number of yours. And that would be all
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These are all codes that I wanted to share with you today. Thank you for watching
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