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Here we've got Samsung Galaxy A51 and let me show you all the secret codes for the following device
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So at first you have to open your phone gallery and let's start with the first code which
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is asterisk pound, 1, 2, 3, 4 pound. And now you can check your firmware version
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So here you've got all information with model number included. So let me go back
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Now it's time for the second code, pretty quick and pretty short one. It's asterisk pound, 06 pound
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And as you can see, this one will provide you with both email numbers and also with
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serial number assigned to your device. So here you've got both email numbers for both SIM cards and here it's a serial number
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Click on OK to go back and let's go to another code which is testmany, very useful mode
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It's asterisk pound, 0 asterisk pound. And this code will allow you to test your device
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You can check display, vibration, sensor, touch, speaker and all the other features
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Let me start with display. Click on red to check if it's working properly
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As you can see, it's definitely working properly. Then green, it's good as well
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Blue, working properly. You can check receiver. As you can hear, it's good
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It's working. Then vibration. As you can hear, as I can feel, it's vibrating
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So it's OK. Then you can also check mega cam, grip sensor, sensor, touch, speaker
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Let me check the speaker with you. And as you can see, it's proper and it's good
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So we can go to another one. Black. Black is also for display but to switch it off, you have to tap on power key
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And as you can see, this is how you can smoothly and easily test your device by using this code
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So let me go to another code and this is asterisk pound, 2683662 pound
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And now we are in advanced service mode and here you can read all the information about
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your device. Here you can check back. Key input, select, help, Wi-Fi
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So let me enter it one more time so you can read it
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3662 pound. And if you click on the more icon and click on, for example, on Wi-Fi, then you can check
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all Wi-Fi information, then go back, then you'll go back over here
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And another code for the Samsung Galaxy A51 is the code which will allow you to check
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the battery status of your device and that's asterisk pound, just one pound, 0228 pound
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And as you can see here, you've got the battery status, like network, signal strength, current
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voltage, voltage level, level block, and current ACD. Then let me go back
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And now we'll check all USB settings by entering code which is asterisk pound, 0808 pound
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And as you can see here, you can change the USB settings so you can pick either MTP or
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some other setup for your USB. Let me go back by tapping on the back icon and another code will allow us to read advanced
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firmware version and it's asterisk pound, 263 and pound 10. And as you can see here, you can check the firmware version and you've got everything
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right in front of you like phone's TSP version, parts' TSP version, configuration, developer
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only and also you can refresh Wi-Fi version here by tapping on this switcher
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But I will not do it right now, but obviously if you need to do it, if you want to do it
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smoothly click on the switcher. And finally, we will check the camera
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Just enter a long code. It's the longest one, asterisk pound, 741234565 pounds
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Okay, let me do it one more time. It's asterisk pound, 741234565 and asterisk
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Okay, so it's not working right now, but you can check it and then you will be able to
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check your camera, firmware standard. Smoothly by entering this code, you will be able to access very advanced information
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So that would be all. These are all secret codes that you can use in your device, in your Samsung Galaxy A51
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