Lost cellular data connection

Iphone 4...AT&T...I have been losing my cellular data connection for hours at a time not dependent on location.  Upgrades to 6 last night...AT&T says it appears I am connected...reset network connections, next step full reset...anyone else having this issue?

Hello Theresa818,
Thank you for using Apple Support Communities!
It sounds like the cellular data will not activate for some reason on the iPad.
I found this article that will help you resolve this issue here, named iPad (Wi-Fi + Cellular Models): Troubleshooting a cellular data connection, found here http://support.apple.com/kb/TS4249
Check for a carrier settings update.
Update your iPad.
Toggle the Cellular Data setting off and on under Settings > Cellular Data.
Restart your iPad.
Tap Settings > General > About. Locate the Carrier entry and make sure that your carrier is correct.
If your SIM card has SIM PIN enabled, try turning it off: Tap Settings > Cellular Data > SIM PIN.
Make sure you're in an area of good coverage. If the cellular data connection works in another area, contact your carrier to report the original affected area.
Reset network settings: Tap Settings > General > Reset > Reset Network Settings.
Restore the iPad as new.
If none of the above steps resolves the issue, make an appointment at an Apple Retail Store, contact your carrier, or contact AppleCare to troubleshoot further.
I know you may have done one or two of the steps here, so you can skip those.
Take care,
Sterling

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    Hello Theresa818,
    Thank you for using Apple Support Communities!
    It sounds like the cellular data will not activate for some reason on the iPad.
    I found this article that will help you resolve this issue here, named iPad (Wi-Fi + Cellular Models): Troubleshooting a cellular data connection, found here http://support.apple.com/kb/TS4249
    Check for a carrier settings update.
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    Restart your iPad.
    Tap Settings > General > About. Locate the Carrier entry and make sure that your carrier is correct.
    If your SIM card has SIM PIN enabled, try turning it off: Tap Settings > Cellular Data > SIM PIN.
    Make sure you're in an area of good coverage. If the cellular data connection works in another area, contact your carrier to report the original affected area.
    Reset network settings: Tap Settings > General > Reset > Reset Network Settings.
    Restore the iPad as new.
    If none of the above steps resolves the issue, make an appointment at an Apple Retail Store, contact your carrier, or contact AppleCare to troubleshoot further.
    I know you may have done one or two of the steps here, so you can skip those.
    Take care,
    Sterling

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