OPPO F21 Pro - All Secret Codes

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Here I have Oppo F21 Pro and today I'm going to show you how to enter secret codes on this
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device and also how you can enter these secret codes. So to enter secret codes you have to open dial pad and enter secret codes here
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And the first code for today will be asterisk pound six seven seven six pound
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And this is the software information menu. As you can see here you can find different interesting advanced information about your
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Oppo device. The following code asterisk pound eight eight eight pound
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This is the engineering mode with like your PCB number and QR code to it
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Next code will be asterisk pound asterisk pound four two six pound asterisk pound asterisk
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And this is the FCM diagnostics menu. Here you can view some information about your WiFi connection
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Something like that could be useful. The next code will be asterisk pound asterisk pound two two five pound asterisk pound asterisk
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And this is the calendar info. So if you have any calendars added on your device they will be displayed here
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Could be useful I guess. The next code will be asterisk pound eight hundred pound
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And this is the feedback menu. So here you can like write a feedback, your experience from using this Oppo device
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You can like write a message to Oppo office or something like that where they work on
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their future Oppo devices I guess. You can report an issue like if you find some bug or something else
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So yeah very interesting and useful feature. So the next code will be asterisk pound one two three four pound
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This is the software version. Next code will be asterisk pound asterisk pound four zeroes pound asterisk pound asterisk
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And this is the other device info menu. So as you can see here you can find some information. Interesting
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Next code will be asterisk pound oh seven pound. And this is the maximum SAR level information
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And the last code for today asterisk pound oh six pound. This is the code which displays your email numbers
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And that's it. Thanks for watching. If you find this tutorial useful don't forget to hit that like button
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OPPO F21 Pro - All Secret Codes

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OPPO F21 Pro - All Secret Codes

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