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Here I have my phone Fan 5 and let me show you how to use secret codes on the following device
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So first of all let's start by using a home screen. Let me open the phone's dialer by using a phone icon right here in that corner
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Afterwards you have to activate keypad by using that blue key. And let's use the following secret code
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As you can see testing menu just pops up in front of you. Here you can navigate by tapping appropriate options
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At first let's open the phone information where you can read all important stats and
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information about your device. For example the email information, phone number, current network, roaming, cell info
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You may also run a ping test, turn off the radio or use a more key in order to select
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radio band, view sim address book, get PDP list, enable data connection and do some more stuff
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If you would like to go back let's use a back arrow
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And this time let's choose battery information. Here you can read such things as battery status, battery level, battery voltage, battery temperature
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time since boot and other detailed information about your battery. Let me go back and choose usage statistics
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Here you've got stats and about your applications. This is the list of all applications from your device
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And you may read such stuff as last time use or usage time
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Let me go back and this time let's choose Wi-Fi information. When you can choose the Wi-Fi API
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Here you can perform some operation on your Wi-Fi. For example you can disable network, disconnect network, enable network, get configured networks
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or get connection info. Let me go back and choose Wi-Fi config
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And if you have some configured networks here you have full specification of them
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So let's go back and this time let's choose Wi-Fi status. Here you've got statistics about your Wi-Fi
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You can refresh all stats or run a ping test. Let me go back and let's go back one more time
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This time let's choose parts information when you can read all important stuff about
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your device such as the TP version and other stuff. Let me go back
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Here is a back arrow a couple of times and this time let's open the calendar information
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So let's use the following code. Star hash, star hash, 225, hash star, hash star
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As you can see the calendar info just pops up in front of you. Here you can read such things as events connected to your contacts, events in Poland and other stuff
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Let me go back. This time let's open the Google Play services mode
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So let's use star hash, star hash, 426, hash star, hash star
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As you may notice Google Play services just pops up. You can navigate here by using the upper bar
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Here you've got ping, connect, disconnect, events or status. Let's go back
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And this time let's open debug UI. So let's use star hash, star hash, 759, hash star, hash star
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And the debug UI just pops up. Here you can view client's IDs
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You can change the OEM mode and do some other stuff. Let's go back and at the end let me show you how to check the email information by using
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a secret code. So let's use star hash, 06, hash. Excellent. As you can see the email info just pops up in front of you
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In order to close this window simply tap OK. Use your back arrow and now you may use your device
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