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Johnny  Mack
Johnny Mack, Mac Support Specialist
Category: Mac
Satisfied Customers: 1353
Experience:  6 years repairing macs and ipods and 3rd level tech support
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Customer Question

How do I stop "unknown caller" calls?
Submitted: 4 years ago.
Category: Mac
Expert:  Johnny Mack replied 4 years ago.
Hello there! The only way to block unknown calls or any calls on a iPhone is to install the app called iblacklist. You must be jail broken to do this.
Customer: replied 4 years ago.

What is that suppose to mean?

Expert:  Johnny Mack replied 4 years ago.
That means u have to install a special sofwtare to the iPhone so you can install unapproved iPhone apps such as the iblacklist. You see Apple doesn't want you to have complete access to your phone so they won't sell these apps.

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