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Here I've got a Samsung Galaxy A60 and let me show you how to use secret codes on the
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following device. So at first just unlock your phone, then go to Phone Yeller and we will start with the
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first code which is actually the shortest one and it is asterisk pound 06 pound
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And as you can see this one will provide you with unique numbers assigned to your Samsung Galaxy A60 which are email and serial numbers
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Tap on OK to go back and that will be all for the first code and now we will check
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the firmware version and code for this is asterisk pound 1234 and pound at the end
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And this is it. As you can see here you can check the version. Now let's go back and we can open the test menu
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It's a super advanced feature and just enter asterisk pound 06 pound
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And as you can see now you can check your device so for example you can perform the
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display test. If you click on red you can check if it's working properly, then check green
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Also blue as well. If you'd like to check black it's here
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You just have to remember that to switch it off you have to tap on power key
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Now you can also check the receiver if it's working properly. Then for example speaker
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It's also working fine and whichever feature that you would like to check that you have
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any doubts if it's working properly. So let me go back and another code is asterisk pound 001 pound
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And now we've got the service mode so here you can smoothly check some details like network
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connection details or serving seller info. So let me go back and now we can open advanced service mode
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It's a bit long code and it's asterisk pound 2683662 and pound at the end
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And here you've got the advanced service mode and you have the access to many things
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You have Samsung Galaxy A60 like LTE, Wi-Fi, SIM instruction and so on
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So let's go back and another code that we can use is the battery status code and it
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is asterisk pound 0228 pound. And here you can check the details regarding your battery
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So if you'd like to check the battery voltage, level, level block current status and also
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average value you've got it here. And the last code that we will use is for USB settings so just enter asterisk pound
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0808 pound and here you'll be able to check your USB settings
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Just pick the option that you would like to apply, mark it and as you can see it has already changed
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So this is how you can change USB setup and that would be all
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These are all codes that you can use and smoothly lock your device and that's it
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