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Here I have Vivo V11, let me show you how to use your 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 open the phone's dialer and let's start with engineer mode
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So before you enter the engineer mode you need to have enabled developer options
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As you can see in my case developer mode is activated. You can check out how to do it on our other videos
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So now let's enter here the following code asterix pound asterix pound three six four
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six six three three pound asterix pound asterix and the engineer mode just pops up
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Here you can use the telephony section, connectivity and here you can test bluetooth, wifi
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You can also use hardware testing to check out your camera, audio, memory, sensors and
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other stuff. You can also see location settings, log and debugging and others
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That's it, let's use the back key to quit this menu. Now it's time to open the phone info so let's use asterix pound asterix pound four six three
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six pound asterix pound asterix and here you've got also the engineering testing but here
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you can also use the battery capacity test so you can check out your information about
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your battery such as the battery temperature, battery type and other stuff
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And you can also open another testing menu, another phone info menu
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Let's just use this code asterix pound asterix pound four eight three eight pound asterix
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pound asterix and the following menu should pop up. Here you can navigate by tapping appropriate options
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Let's choose here phone information and here you can read the signal strength, IMA number
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voice service, current network. You can also here run a ping test or use more key in order to view contacts to activate
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data network connection and use other stuff. Here you can also go back and use user statistics
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Here you've got last time used and usage time. Let's go back again, let's open Wi-Fi information and here you can select Wi-Fi API when you
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can disable network, disconnect network, enable network or get connection info or you can
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choose Wi-Fi config to see configured networks. Here you can also tap Wi-Fi status and here you can refresh all stats or run a ping test
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Use back key. Now let me just quit the following testing menu and it's time to open the following mode
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Let's enter the calendar info so let's use here asterix pound asterix pound two two five
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pound asterix pound asterix. The calendar info just pops up so here you can use the following information from the device
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Let's use the back key. Now let's enter and use the following code the Google Play service so let's use asterix
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pound asterix pound four two six pound asterix pound asterix and Google Play service just
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pops up so here you can read ping, connect, disconnect or events
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Use back key again and it's time to open the IMEI mode so let's use asterix pound zero
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six pound that's it. You can also use advanced IMEI mode let's use asterix pound zero nine pound and the
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following mode pops up. Here you've got the barcodes, product name and other stuff
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