With the number filter on the LG smartphone, incoming calls that contain a defined number series in the phone number can be automatically rejected. for example, with the number filter "0176" all calls from o2 can be blocked. the start or end digits of a phone number can be used for the filter.

Android 9 | LG UX 9.0
Block calls with filters -  Open the  Phone -App
Block calls with filters -  Open the  Menu
Block calls with filters -  Tap on  Call settings
Block calls with filters -  Tap on  Call blocking & Decline with message
Block calls with filters -  Tap on  Digit filter
Block calls with filters -  Tap on  Add
Block calls with filters -  Enter a  Number
Block calls with filters -  Tap on  Block
  1. Open the Phone-App
  2. Open the Menu
  3. Tap on Call settings
  4. Tap on Call blocking & Decline with message
  5. Tap on Digit filter
  6. Tap on Add
  7. Enter a Number
  8. Tap on Block

LG Instructions
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