It might be a setting on your phone.
Check to see if there is a limit in place, and if it matches your daily allowance @JazzClaire.
If that's not in then you would need to speak to someone at o2 to find out why you get cut off...
Please note, this is not customer services and we cannot access your account. Do not publish personal details (email, phone number, bank account).
Link to our guide on how to contact them can be found here
