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Here I have Meizu Pro 7 and let me show you how to use secret codes on the following device
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So at the very beginning let's start by using your home screen. Let's use the phone's dialer right here and let's enter the following secret code
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At first let's open the engineering mode so you have to input asterix hash, asterix hash
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3, 6, 4, 6, 6, 3, 3, hash, asterix, hash, asterix. And this is the engineering mode, here you can use a couple of tests and couple of useful information
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For example you can use right here the LTE information from your first sim card
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You can also see the modem test, network selecting, network info and a lot of more useful information
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You can swipe to the left to open connectivity, here you can test your bluetooth, for example
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the bluetooth test mode, here you have the test information and test options
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You can also use for example the debug feature if you would like to
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Alright let's go back, let's swipe to the left, here you've got the hardware test mode
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you can test the audio, sensor, video. You can also swipe to the left and see location options and use the lock and debug if you
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would like to. The last section is others, here for example you can use thermal or other useful features
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Let's go back to quit the engineering mode and here let me open the android testing menu
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so you have to use asterix hash asterix hash 4636 hash asterix hash asterix
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And the android testing menu pops up, here you can open the phone information and you
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can read such stuff as email number, phone number, current network, signal strength
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voice service, you can run a ping test or for example you use the following specifications
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Let's go back, you can also see the battery information and read such stuff as battery
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status, power plug, battery scale, battery health and even the battery temperature
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You can also open the usage statistics, here you've got the list of all applications and
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you can read the last time used or usage time. Let's go back and now let's open the usage statistics, sorry let's open the WiFi information
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let me enter one more time to open the WiFi information, right here and as you can see
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in my case the WiFi information is disabled but sometimes you can use the WiFi API, the
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WiFi specification and other stuff. So let's go next and let's open the calendar info, so let's input the asterix hash asterix
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hash 225 hash asterix hash asterix. The calendar information just pops up in front of you, you can go back by using the back
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key, let's open the Google Play services, so let me input asterix hash asterix hash
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426 hash asterix hash asterix. The Google Play services pops up in front of you, here you can use for example events
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status info and other stuff. And now let's open the debug UI, so let me enter asterix hash asterix hash 759 hash asterix
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hash asterix. And debug UI just pops up, here you can view client's IDs, you can change OEM mode and
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read a couple of useful information for example the current backoff. Use back key again and at the end let me show you how to open the email information, so
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let's use asterix hash 06 hash and the email info pops up in front of you, tap OK to close
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it and everything went well. Thank you for watching, please subscribe our channel, leave thumbs up under the video
