Please follow these steps if you are having difficulty enabling caller ID on your phone –

Android 7+ Solutions
Smart Manager Solutions
Add Eyecon as an ‘unmonitored app’

ANDROID 7+ SOLUTIONS

Samsung phones with Android 7+ should follow these steps for Eyecon caller ID to work properly.
Phone settings -> Device Maintenance -> Battery -> Add Eyecon to unmonitored apps list.

SMART MANAGER SOLUTIONS

Samsung phones with a smart manager should follow these steps:
Phone settings or Smart Manager -> Battery -> Details -> Find Eyecon  -> Turn off optimization

ADD EYECON AS AN ‘UNMONITORED APP’

If you are still having issues after turning off optimization, add Eyecon as an ‘unmonitored app’

1 – Click settings

2 – Click device maintenance

3 – Click battery

4 – Scroll down and click ‘Unmonitored apps’

5 – Click on the 3 dots in the top right corner and choose “Add apps”

6- Find and select Eyecon, then click done.