Problem: Absolutely ALL incoming calls are listed as UNKNOWN with no number. Text messages show number, but not phone calls.
Not iPhone 4S fault.
A previous post back in 16.8.2013 by Simomikki described the exact same problem. The message went private with Matt W from Telstra technical support, so I don't know if it was ever solved.
Can anyone help?
Solved! Go to Solution.
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