I have never heart about this problem before, but flashing the firmware will help:
-KOSPET_Optimus2_PIX_V1.4_20210707.rar - Google Drive
Here is a tutorial how to do it:
-Flashing tutorial 2020 - Google Drive
Here are the tools you need:
-Flashing Tools.zip - Google Drive
Have you tried to root your watch by using rooting apps?