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Here I have Samsung Galaxy Tab P and let me show you secret codes that works on this device
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At first let's unlock the screen, let's open the font dialer and here you should input
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all secret codes. Let's start with star hash, 1, 2, 3, 4, hash
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As you can see the version just pops up. You can read all of the information on the screen and you can close the following window
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by using back arrow. Then let's type another secret code, star hash, 1, 2, 5, 8, 0, stash, 3, 6, 9, hash
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As you can see the main version just pops up. Let's go back and let's use star hash, 7, 5, sorry, 7, 3, 5, 3, hash
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As you can see the following test menu just pops up. You can for example check speaker, check vibration or melody
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Let's go back to font dialer and let's input star hash, 0, star hash
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As you can see another test menu just pops up. You can for example tap red test and all screen goes to red color
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Let's go back, you can tap green. Let's go back by using back arrow and from the following menu you can also check speaker
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as before. Let's go back to font dialer and let's input another secret code
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Let me open the font dialer and let's input star hash, 0, 0, 1, 1, hash
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As you can see service mode just pops up. You can use the following mode or you can tap more button right here or you can simply
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quit by using back arrow. Now let's input star hash, 0, 2, 2, 8, hash
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As you can see battery status just pops up. You can read for example battery level or battery level block from the following information
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Let's go back and let's input one of the most popular Android secret code which is star
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hash, 0, 6, hash. As you can see the bar codes with email and serial number just pops up
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To close the following window simply tap OK. Thank you for watching, please subscribe our channel and leave thumbs up under the video