How to safely shut down or force shut down USmart devices

How to safely shut down or force shut down a USmart-branded device if it is unresponsive, screen broken or broken, without using the buttons or using only the buttons without swiping or using the screen.

Search for your device model and find the steps to turn it off, whether it is a mobile phone, tablet, smart watch or activity bracelet.

USmart SL88 USmart SL88
USmart SL77 USmart SL77
USmart SL66 USmart SL66
USmart SL55 USmart SL55
USmart S9600 USmart S9600
USmart S5 USmart S5
USmart F450 USmart F450
USmart CL600 USmart CL600
USmart CL500 USmart CL500