Lenovo I360 Maintenance Manual page 33

I360 Mobile Phone Maintenance Manual v0.1
Press <NEXT> to show the blank screen.
Press <NEXT> to test the ring tones.
To play some MIDI music.
Press <NEXT> to test the vibrator.
The vibrator is started.
Press <NEXT> to test the keypad.
Press the Left functional key and F1 will disappear, as illustrated below.
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