... relocating iPhone and the connected accessory may improve wireless performance.2 12Getting Started·WARNING: To avoid injury, read Important safety information on page 146 before using iPhone. What ... Battery on page 34. * Accessories and wireless performance: The use of certain accessories with iPhone may aect wireless performance. Not all iPod accessories are fully compatible with iPhone. Turning ... icon to show an active process.Call Forwarding Shows that Call Forwarding is set up on iPhone. See Call forwarding, call waiting, and caller ID on page 49 .VPN Shows that you’re connected to...