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Here I have Huawei P9 Plus and let me show you how to open the testing menu on the following device
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So at the very beginning let me start by using a home screen
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Let's find and select the phones icon in that corner. Let's open a keypad and let's use the following secret code
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Star hash, star hash, 6, 1, 3, 0, hash star, hash star
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As you can see testing menu just pops up. Here you can navigate by tapping appropriate options
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Let's choose phone information when you can read such things as email number, phone number
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current network, signal strength, location, the roaming status, GSM service, network type
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and other stuff. You may also perform here a run a ping test, error for example turn off a voltage flag
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You may also tap menu and view SIM address book, view fixed dialing numbers, view service
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dialing numbers. You can also get PDP list or enable data connection
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Let's go back and choose usage statistics. Here you've got the list of all applications from your device and you can read such things
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as last time used or usage time. Let me go back and this time let's open the WiFi information
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Here you can select the WiFi API. Here you can disable network, disconnect network, enable network, get connection info or get
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configured networks. Let's go back and this time let's open the second option so the WiFi config and if you
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have some configured networks on your device here you have the full specification about them
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Let's go back and let me open the WiFi status and here you've got the statistics about your WiFi
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You can refresh them and run a ping test. Let's go back and in order to close the testing menu let's use a back arrow a couple of times
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and now you can use your device. So thank you for watching, please subscribe our channel and leave thumbs up under the video
