Follow these steps to enable caller ID on your Elephone:

Settings -> Background task clear -> Add Eyecon to the White list

Caller ID Isn’t Working (Lenovo)

To enable Caller ID on Lenovo phones, please follow these steps:

  1. Settings -> Apps -> gear icon -> App permissions -> turn on all Eyecon permissions there
  2. Settings -> Power Manager -> Background app management -> Make sure that Eyecon is clicked off so it is not on the restricted list