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Here I have LG Q40 and let me show you how to use secret code on the following device
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Before you start you need to check your model number, so let's find the settings, choose
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here general, scroll down and select about phone. Choose common, the third option right here and select hardware info
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This is your model number, you need to remember the numbers from this model, so in my case
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it's 420. So now you can go back to the home screen, let's open the phones dialer and let's use
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the first secret code, so let's use asterix pound, 546368 pound asterix, now you need
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to enter your model number 420 and pound. As you can see this is the service menu, let me go back to the first screen, you should
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see the following view and here you can choose device test, let's use this test and you can
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select auto test, manual test, you can see the test result, you can check out the version
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you can also go back right here and choose other menu, for example the service menu
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here you can check out the version, so let me use the version, as you can see here you've
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got your version, you can also use the battery test, you can test your face print, wifi and
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other stuff. Let's go back, let me quit this menu, now it's time to open the android testing menu
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so let's use the asterix pound, asterix pound 4636 pound asterix, pound asterix
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As you can see the testing just pops up, here you can choose phone information, when
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you can read the phone number, IMEI number, current network, signal strength and other stuff
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You can also use more key to select radio band, enable data connection or view fixed
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dialing numbers. Let's go back again, here you can also open usage statistics and you can read the last
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time used and usage time of all apps from your device. Let's use debug key twice and it's time to open the calendar info, so let's use asterix
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pound, asterix pound 225 pound asterix, pound asterix. As you can see calendar info just pops up, so if you have some information in your calendar
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you should see this info right here. Let's go back, now it's time to open the other secret menu, so let's use the asterix pound
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asterix pound 426 pound asterix, pound asterix and google play service just pops up in front
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of you. Use debug key one more time and at the end let me show you how to check IMEI number by
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using the secret code, so let's use the asterix pound 06 pound and IMEI number just pops up
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tab OK to close this window. So that's it, everything went well, thank you for watching, please subscribe our channel
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