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Here I have OPPO F7 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 open the phone's dialer and let me show you how to check out
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the software version. So let's use this code. Asterix pound eight nine nine pound
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And as you can see engineer mode with the following information pops up. Here you can check out software version and you can read your model and other stuff
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Let's go back. Now it's time to open the whole engineer mode
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Let's use Asterix pound eight zero eight pound and as you can see the whole engineer mode
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just pops up. Here you can use assembly test projects, device debugging for example vibration test, touch
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screen, keypad test. You can test the camera right here. You can see the media debugging
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You can use the communication debugging and others. Let's go back. Now it's time to enter the second engineer mode
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Let's use Asterix pound Asterix pound three six four six six three three pound Asterix
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pound Asterix. As you can see the following engineer mode just pops up
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So here you can use telephony section. You can use connectivity, hardware testing to test the audio, camera and sensors
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You can see the location, log and debugging and also the others
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Let's go back. Now it's time to check the ColorOS version. Let's use the Asterix pound one two three four pound and ColorOS version just pops up
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Now let me check out the UR-AntiCard. So let's use the Asterix pound one two three four five pound and the UR-AntiCard just pops up
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Now let's go back and let's use the next secret code. Let me show you how to enter the phone information in the Android testing menu
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So you have to use Asterix pound Asterix pound four six three six pound Asterix pound Asterix
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and the testing menu just pops up. Here you can open phone information and read the phone number, current network, signal strength
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You can also here run a ping test and use other stuff. Let's go back and let's open the user statistics
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Here you've got the list of all apps and you can read the counter and the usage time
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You can also select here the Wi-Fi information. Here you can use the Wi-Fi API
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Here you can disable network, disconnect network, enable network or get connection info
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Or you can choose here the Wi-Fi config and see configured networks
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And here you've got also Wi-Fi status and you can here refresh or start
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Let's go back and it's time to open the user statistics or you can simply go back to quit
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this menu. And now it's time to open the calendar info. So let's use Asterix pound Asterix pound two two five pound Asterix pound Asterix and the
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calendar info just pops up in front of you. Let's open now Google Play service
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So let's use here Asterix pound Asterix pound four two six pound Asterix pound Asterix and
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the Google Play services pops up on the screen. Now it's time to open the next code
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So it's time to check out the IMEI version. So let's use Asterix pound zero six pound and IMEI number just pops up
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So tab OK to close this window. So that's it. Everything went well
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