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Here I have Nokia 2.1 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 start by using your home screen. Then let's open the phone's dialer and let me start with the Nokia service mode
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So let's open the following code
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As you can see the service menu should pop up in front of you
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This is the FQC test and here you can test your device
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So you can check out the software and the hardware version. You have to tap yes if everything is alright
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You can test pixel color for example. If everything is alright tap yes
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You can test the speaker. You can test the keyboard, USB, proximity, real time clock, sim card, bluetooth, wifi
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You can also use the final confirmation test result right here. Alright if you would like to go back let's use back key
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Now we just quit this FQC test mode. If you would like to go to the Android testing menu let's use this code asterix hash asterix
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hash 4636 hash asterix hash asterix. And this is the testing menu that you can use from Android
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You can check here the phone info. So here you've got access to the following numbers such as the email, current network
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signal strength, data service. You can here run a ping test or use more key in order to select radio band, view sim address
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book, view fixed dialing numbers, view service dialing numbers or enable data connection
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Let's go back and here you can also use the usage statistics
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This is the list of all apps that you can use on this device and you may read here the
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last time used or usage time. Alright now it's time to open the wifi information
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Here you can use the wifi API when you can disable network, disconnect network, enable
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network, get configured networks or get connection info. What's more you can also use here the wifi config and here you can check out configured
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networks from your device. That's it. You can also use the wifi status
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Here you've got the statistics about your wifi. So if you would like to quit this testing menu let's use back key a couple of times
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and now you're back in the phone's dialer. So now if you would like to enter the calendar info you should use this code asterix hash
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asterix hash 225 hash asterix hash asterix. As you may notice the calendar info just pops up so here you can use the following information
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Everything is just here. So let's quit this calendar info now let's open the google play services so let's use
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asterix hash asterix hash 426 hash asterix hash asterix. Google play services pops up here you can use ping, connect, disconnect or events
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Let me go back and at the end let me check out the email number by using the secret code
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so let's use this code asterix hash 06 hash. The email number just pops up in front of you
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So tab ok to confirm it and basically that's it. You just used all the secret codes that works on Nokia 2.1
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