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Here I have Huawei Y5 II and let me show you how to use secret codes on the following phone
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So at the very beginning let's open the phone's dialer by using that icon right here
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And now let's use the secret codes. So at first let me use a code to open about options
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Let's use star hash, star hash, zero zero, zero zero, hash star, hash star
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As you can see the about phone options just pops up in front of you. In order to close this window simply use your back arrow right here
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Now let's open the testing menu. So all you have to do is use star hash, star hash, six one three zero, hash star, hash star
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As you can see testing menu just pops up. You can navigate here by tapping appropriate options
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Let's choose for example phone information. You have to select your SIM card, it can be the first one
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Here you can read some important stuff about your SIM card and about your phone
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Let's go back. You can use battery information. Here you have such things as battery status, power plug, battery level, battery health
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and some other stuff. Let's go back. You can also use YouTube statistics
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And here you have the list of all apps from your device and you can read such things as
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last time used or usage time. Let's go back. And now let me show you how to open the engineering mode
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All you have to do is use the following secret code star hash, star hash, two eight, four
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six five, seven nine, hash star, hash star. As you can see engineer mode pops up
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Let's choose for example settings or you can choose lock settings. You can select also the phone info check
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Here you can check the hardware info, the manufacturer info, some other checks
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Let's go back and now let me also show you the network settings
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Here you can choose the SIM lock status check. As you can see SIM is unlocked
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Tap OK. Let's go back. You can choose upgrade and you can apply and upgrade from the SD card
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Let's tap cancel to close this window. You can choose recovery if you would like to accomplish the hardest operation so let's
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be careful with that option. You can also choose battery charge menu but you have to connect your charger at first
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Let's close the engineer mode and let me show you how to open Google Play services
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Let's use star hash, star hash, four two six, hash star, hash star and the Google Play services
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just pops up. You can choose here ping, connect, disconnect, events or status
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Now let me show you how to open debug UI so let's use star hash, star hash, seven five
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nine, hash star, hash star and the debug UI pops up. You can view client's ID for example right here
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Tap close and let me also show you how to check email number by using a secret code
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so let's input star hash, zero six, hash and the email number just pops up
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To close this window simply tap ok. Excellent. Thank you for watching
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