We have a pretty large database that we have started using outside the office with our employees iPhone and iPad's. Even with full bars and AT&T 3G service, the app is almost un-usable.
To attempt to correct the problem, I made it where the employee wouldn't have to go through the menu to get to the page they needed, and upon login it took them directly the the layout they needed. This did not help matters. We are using are iPhone 3GS, iPhone 4 and the iPad 2. Some have been updated to the newest iOS, some have not. Could this be part of the issue? Even with nothing running in the back ground, they still have issues.
Could a upgrade to Filemaker 12 fix some of this issues?