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Here I have Asus Zenfone R and let me show you how to enter SMMMI test mode on the following device
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So this is the trick that you can use on all Asus smartphones
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Let's tap apps icon right here. Let's open the calculator. So let me tap it
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And let's use this code .12345+
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And equal. As you can see you have to allow SMMMI test to a couple of permissions
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Let me do it. And that's it. Now you can use this mode
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As you can see here we've got the memory usage rate, CPU usage, battery level
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You can choose more key and here see test results, clear cache or choose reset or select about
0:54
You can also here test all and the device is testing all hardware, the fingerprint
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Bluetooth, WiFi and lots of more. If you would like to go back, let's use the back arrow, sorry, let's use the back key
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Tap continue. And here you can also choose single test and perform one of the following tests
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For example you can perform the battery test, WiFi test, modem test, SD card test, touch
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test, camera test, vibration test, speaker test. So let me choose vibration for example, tap start
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Tap pass or fail. Let's go back. Sorry. Let's choose speaker test
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Let's go back. Let's wait until the test will be done
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So choose pass or fail. Now you can go back and test other things such as receiver, main camera, display, headset
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You can also choose more key and for example see the test results
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Let's go back. You can choose upload right here and try to upload the following software
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Let's tap cancel in my case. And that's it. This is the SMMI test, the hidden test mode that you can use on the Asus
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Let's go back to close this. And now you can use your device in a normal way
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