How to safely shut down or force shut down OptimaSmart devices

How to safely shut down or force shut down a OptimaSmart-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.

OptimaSmart OPS-61D OptimaSmart OPS-61D
OptimaSmart OPS-41A OptimaSmart OPS-41A