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Here I have OPPO F9, let me show you how to use here secret codes on the following device
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So at the very beginning let's start by using the home screen. Let's here open the phone's dialer and let's start with manual test
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So let's open this code, asterisk pound 808 pound and this is manual test, code also engineer mode
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Let's use assembly test projects, you can see device debugging, here you can see the
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camera, media debugging and other stuff such as for example communication and for example
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here you can check the software version. Alright let's go back, now it's time to open another engineer mode, this time let's use
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asterisk pound, asterisk pound 3646633 pound asterisk, pound asterisk
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As you can see another engineer mode just pops up, this is also test mode, here you
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can see the telephony info and tests, here you can check out the connectivity right here
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here you can check the bluetooth, FM receiver, wifi. Let's swipe left, here you've got hardware testing, here you can see you can use there
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the camera, sensor, video and this is also the location, logon debugging and for example
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some others. Alright so that's it, let's go back, now it's time to check out the other secret codes for
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example ColorOS version, let's use asterisk pound 1234 pound and ColorOS version just
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pops up in front of you. Alright now let's open the eWarranty card, so let's use here asterisk pound 12345 pound
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and as you can see eWarranty just pops up in front of you
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Let's go back and this time let me open here the testing menu, so all you need to do is
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use this code asterisk pound asterisk pound 4636 pound asterisk pound asterisk and the
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testing menu just pops up, here you can navigate by tapping appropriate options, you can choose
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here phone information, you can select here the usage statistics, here you've got the
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list of all apps and you can see the counter and the usage time, you can also here go back
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and use the WiFi information, this is really helpful because you can here use the WiFi
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API to disable network, disconnect network, enable network or get configured networks
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or simply get connection info. You can here also select WiFi config and here you've got your configured networks
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Alright so it's time to open the WiFi status, here you can refresh or start or run a ping test
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Use back key again and this time let me show you how to quit the testing menu just by using
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the back key and it's time to open the calendar info, so let's use this code the asterisk
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pound asterisk pound 225 pound asterisk pound asterisk. As you can see the calendar info just pops up, here you've got a couple of information
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from your calendar so let's use it. Let's go back and it's time to open the Google Play service, so you have to enter this code
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asterisk pound asterisk pound 426 pound asterisk pound asterisk. As you may notice right here the Google Play service just pops up, here you can use ping
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connect, disconnect or simply events. Use back key and it's time to open the Google debugging, so let's use this code the asterisk
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pound asterisk pound 759 pound asterisk pound asterisk. And sometimes the debug UI may pops up in front of you
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Alright so at the end let me show you how to check the email number by using the secret
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code so let's use asterisk pound 06 pound and the email number just pops up, tap OK
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to close this window. So everything went well, thank you for watching, please subscribe our channel, leave thumbs
