cant access anything other than music

theres this mode, i dont know how the hell did it happen, but its like the display is minimised to the top centre of the screen n i can access nothin other than music -_-
please help _/\_
i cant even pick up calls i tried hard reseting
i tried installing an older update thinkin it might not have such a mode or smthin but nothin helped.
please reply boss im in trouble i hav very important stuff on tht phone. _/\_

@samrat0009 Connect it through usb and take your data and wipe data :/

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