You might not know about all of these iOS settings, but they let you tweak your experience and get the most out of your iPhone.

Whether you want to be protected while traveling or you like the extra layer of privacy while browsing at home, a VPN can help. Here's how to set up one on your iPhone.

ZDNET's key takeaways Use these codes to forward calls, pay your bill, check balances, etc.Some of the codes work only on certain carriers or devices.One of the codes also might erase your data, so ...

While free VPNs exist, paid services generally offer better speeds, more server choices, and stronger privacy policies.