How To Turn Off Alarm On Iphone With Broken Screen. The problem is that the phone was at 98% when i smashed it and it's damaged in such a way that i can't turn off the alarm at 6:45 am on weekdays. It is possible turning your device off by using a usb cable and a software, try to google it
Be sure to quickly release the button at this point, because if you hold it too long, the phone will restart. Tap browse at the bottom right, then tap sleep. You can also ask siri to set an alarm for you.