Re: Check Your iPhone 4's Antenna Reception With F... - AT&T Community Support

Tutor

Posts: 7

Registered: ‎06-09-2010

Re: Check Your iPhone 4's Antenna Reception With Field Test Mode In iOS 4.1:

‎09-18-2010 07:22:31 PM

Or you could just touch the numbers and the bars will show. Just leave it that way.