iplay 50 touchscreen freezing

after using 3mths touchscreen keep freezing ? update or hardware problems ….?
<div id=”highlighter–hover-tools” style=”display: none;”>
<div id=”highlighter–hover-tools–container”>
<div class=”highlighter–icon highlighter–icon-copy” title=”Copy”></div>
<div class=”highlighter–icon highlighter–icon-change-color” title=”Change Color”></div>
<div class=”highlighter–icon highlighter–icon-delete” title=”Delete”></div>
</div>
</div>

I have the same issue with mi I play 50 pro mini nfe version,