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Here I have my phone Qsmart LTE and let me show you how to use secret codes on the following device
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So at the very beginning let's open the phone's dialer, so let me do it by using a phone icon
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right here in that corner and let's activate a keypad. As you can see now we can input a secret code that works on this device, so let's use the
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following codes. At first let's open a testing menu by typing star hash, star hash, 4636, hash star, hash star
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As you can see a testing menu just pops up on the screen, you can navigate here by tapping
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appropriate options, so let's choose phone information at first and here you have full
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specification about your device, you can read such things as email number or for example
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the signal strength. You can also run a ping test or turn off the radio
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Let's go back, you can choose battery information and here you've got all the important stuff
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about your battery, for example battery scale, battery health and battery temperature
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Let's go back, you can also choose usage statistics right here and here you have the list of all
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apps from your device and you can read such things as last time use or usage time
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Let's go back, you can also choose Wi-Fi information and here you've got such things as Wi-Fi API
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where you can disable network, disconnect, enable network, get configured networks or
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get connection info. Let's go back by using a back arrow and you can choose a Wi-Fi config and if you have
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any configured networks here you have a full specification of it, so you can read all important
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stuff about your network and go back. You can also choose Wi-Fi status, when you can read all statistics about your Wi-Fi you
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can refresh them or run a ping test. Let's go back and let me go back to the phone's dialer, now it's time to open the calendar
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info, so let's input the following secret code. Star hash, star hash, 225 hash star, hash star
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As you can see the calendar info pops up, so if you have any detailed and customized
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information you will see all information right here. Let's go back, you can also select and open Google Play services, so you have to input
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the following code, star hash, star hash, 426 hash star, hash star
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As you may see Google Play services just pops up on the screen, you can select here ping
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connect, disconnect, events or status. Let's go back, you can also open debug UI by typing in star hash, star hash, 759 hash
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star, hash star. As you can see debug UI just pops up, you may for example view client's IDs by tapping
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this button. So in order to close this simply tap close, let's go back
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And also you can check email number by typing in star hash, 06 hash and the email number
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just pops up on the screen, to close this window simply tap OK
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