03-09-2020 12:00
03-09-2020 12:34
A few people have had this issue.
According to @MI5 you need to call customer services and ask if PLIST is enabled on your account (a network control which allows caller ID to be displayed)
https://community.o2.co.uk/t5/Android/Incoming-calls-coming-up-as-unknown/td-p/1092315
Veritas Numquam Perit
03-09-2020 13:35
04-09-2020 11:10
04-09-2020 11:10
04-09-2020 11:12
04-09-2020 11:12