Caller ID is not working (Xiaomi Mi4)

Please follow these steps if you are having difficulty enabling caller ID on your Mi 4:

  1. Go to Security -> Auto start -> Enable Eyecon
  2. Go to Security -> Permissions -> Permissions -> Eyecon -> Display pop-up window -> Accept
  3. Go to Notifications -> Manage Notifications -> Eyecon -> Show Floating Notifications

See here for general Xiaomi solutions.

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