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Here I have Manta MSP4207 and let me show you all secret code that works on this device
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At first you have to open the fonts dialer and this is the place when you should input
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all secret code that works on this device. At first let's start with the testing mode so you have to tap the following numbers
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star, hash, star, hash, 4, 6, 3, 6, hash, star, hash, star
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As you can see the testing menu just pops up. You can navigate here by tapping the following menu
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Let's open phone information. From that step you can run a ping test or for example turn off the radio
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You can also read all specification and important things about your device
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If you go back and choose battery information you can read such things as battery health
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battery scale or even battery temperature. Let's go back and you can choose usage statistics
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Here you have some applications of your device and you can read for example count number
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of uses or usage time. Let's select Wi-Fi information and here you can choose WLAN IP, WLAN config or for example
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Wi-Fi status. When you can read all stats and you can also refresh all stats
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Let's go back to fonts dialer and let me show you how to check email by using a secret code
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You have to type in the following numbers star, hash, 0, 6, hash and as you can see
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the email's number just pops up on the screen. To close the following window just tap OK
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