As the auto-top up would require a credit card to be registered on the account you should be able to disable it by logging into your account and removing your card info.
Take a look here for steps to check the settings: http://www...
Are you still experiencing the issue? Are you connecting via WiFi or over the Wireless network? Do you have any issues with browsing? Are you able to access it via your MyRogers profile?
Have any other community members experi...
You should be able to purchase it online if you'd like You can find out more via the voucher section here: https://www.rogers.com/web/content/wireless-products/paygo_topup?asc_icid=prepaid_badge_topup#,Tabset1--2
Are you using the built-in mail client on the device? Which email account are you using with the device? If you could share some additional info in regards to what is happening maybe the community could help out.