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Here I have Xiaomi Note 2 and let me show you how to use secret codes on the following devices
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So at the very beginning let me start by using a home screen. Let's find and select the phone's dialer right here
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Let's use the following secret codes. At first let me open the testing menu
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So let's use star hash, star hash, 4636, hash star, hash star
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As you can see testing menu just pops up. Here you can choose phone information, when you can read all important stats about your
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device, for example the email info, phone number, current network, signal strength, location
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You may also run a ping test or turn off the radio. You can tap more key in order to view sim address book, view fixed dialing numbers
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view service dialing numbers, get PDP list or enable data connection. Let's go back
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You can also go back and from the testing menu choose the battery info
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Here you can read the battery status, power plug, battery level, battery health, battery
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voltage and even the battery temperature. Let me go back right here and choose user statistics
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Here you've got the list of all applications from your device and you can read such things as usage type and last time used
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Let's go back and this time let me open the WiFi information
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Here you can select WiFi app, when you can disable network, disconnect network, enable
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network, get configured networks or get connection info. Let's go back again
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Let's choose the WiFi config and if you have some configured networks here you have the
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full specification about them. So let's go back again. Let's choose WiFi status and here you should find the statistics about your WiFi
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You can refresh them or run a ping test. Let me go back, let me quit the testing menu and it's time to open the hardware test menu
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So let's use star hash, star hash, 64, 663, hash star, hash star
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As you can see hardware test just pops up. Here you can accomplish a couple of interesting features and hardware test
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For example you can check version info right here. If everything is alright let's choose pass
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You can check the SIM card, you can check the vibration, long vibration, short vibration
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Let me tap pass and microphone and other stuff. Let me go back
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Here you should see the results of the test. You may also tap more key in order to choose additional settings and here you can read
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and perform the NFC test, Bluetooth test, WiFi test and a lot of more
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Let me go back again. Let me quit the hardware tests. Now let's enter the calendar info
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So let's use star hash, star hash, 225, hash star, hash star and the calendar information
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just pops up. Here you can read the events in Poland and other stuff as well
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Let me go back again and 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 and as you can see Google
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Play Services just pops up. Here you can choose connect, disconnect events or ping
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Now it's time to open the debug UI. So let's use star hash, star hash, 759, hash star, hash star and the debug UI just pops up
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Here you can view client's IDs. You may also change OEM mode, enter from other operation and read all important stuff
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Let's go back and let's use the email mode. Let's use star hash, 06 hash and the email mode just pops up
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Let's hit tab OK to close this window. So everything went well. Thank you for watching
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