I can only check my mail while on WiFi

[Holmes31]

If I'm on LTE or 4G, it says "Cannot check mail"

 

[aldoF]

reset your phone

 

[Afbar1114]

Turn it on and off. It's a data bug. Happens to me slot through the day. Until it gets fixed we have to wait

 

[ionjohn]

DFU

Install iOS 7.1.2

There you go!

 

[rhysmorgan]

DFU

Install iOS 7.1.2

There you go!

Yeah, unfortunately this was the only way I could get my data working again without Wi-Fi.
Beta 2 has a pretty significant bug.

 

[Afbar1114]

7.1.2 started giving me the same issue so I just went back to 8.