(phone) Settings > Apps
choose the messaging app
Tap Force Stop (lower right)
Tap Storage then Clear Cache (lower right)
I normally wipe it a few times not that it does anything different however just to be safe. Then system reboot.
Hello @Batman96 ,
Please navigate to
[Settings] → [Applications] → [Menu] → [Special access] → [Optimize battery usage]
→ Change the filter (upper left corner) to "All"
→ Find the message app , and change the option from "ON" to "OFF" to exclude the app from "Battery optimize target".
You may also do the same for any web browser apps you are using,
One UI Beta Team