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Here I have Huawei A7 Mate 8 and let me show you how to use secret codes on the following phone
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So at first let's use your power key to switch on your phone and unlock the screen
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Then let's tap call button right here to open the phone's dialer
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Let me choose unable to contact and yes now you can use your phone's dialer
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So let me input a secret code that works on this device
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At first let's start the project menu. So let me choose star, hash, star, hash, 2, 8, 4, 6, 5, 7, 9, hash, star, hash, star
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Excellent, as you can see project menu just pops up. You can choose from the following menu for example background settings, bannier information
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So let's choose background settings at first. You can choose background debug, USB port settings, lock settings or for example set
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UI theme color. So let's go back and choose bannier information. Here you can check version info right here for example bootloader version or just kernel version
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Let's go back. You can select apparatus info. You can read such things as LCD model, back camera model and something else
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You can also check manufacturer info. Here you've got all specifications about your manufacturer
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Other info and here you've got email information, serial number or for example run model
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You can also select verify key. Now you should input your password
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Ok so let me go back. You can also check network information query
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Here you've got for example information about your sim lock. So let me tap it
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As you can see in my case sim lock is deactivated. Let's close this
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Let's go back and let me choose software upgrade. You can upgrade your software by using SD card but I'm not gonna do it this time so let me
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go back. Now you can also choose restore factory but you have to be careful with this option because
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it simply means that you will hard reset your device. So let me just tap it and as you can see now if you don't want to erase all your personal
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information tap cancel. You can also check battery charge and here you have such information as battery level
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battery temperature. Ok so let me go back to the phones dialog and now let me show you how to open testing menu
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So let's input the following code. Star hash star hash 6 1 3 0 hash star hash star. Excellent
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The testing menu just pops up. You can choose for example here phone information and you can select sim card
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For example sim first and you can read all specification about your device
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Ok let's go back. You can also choose usage statistics right here and here you have list of application
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of your device and you can read last time used or usage time
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Let's go back. You can also select WiFi information and here you've got WiFi IP, WiFi config or WiFi status
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Let's choose WiFi status this time and as you can see here you can refresh all stats
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about your WiFi or run a ping test. Let's go back and now let me show you how to open about option by using a secret code
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All you have to do is simply input star hash star hash 0 0 0 0 hash star hash star. Excellent
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As you can see about phone just pops up. You can for example read the email number or model number
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Let's go back and now let me show you the most popular Android secret code
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So let's use star hash 0 6 hash and as you can see email number just pops up
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You can read this number or just close this window by simply tapping ok. Excellent
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