I live in US and am heading to the UK next week with an iPhone 6 and Simple Choice plan which says it includes unlimited data while in the UK. my Phone currently has Data Roaming turned off ("to avoid charges while web browsing" etc). When I get to the UK, do I manually turn this on and by doing this automatically fall under the free unlimited data plan? Thanks for guidance (I have recently migrated from ATT which had expensive international data plans and so I am wary),
If you have a Simple Choice postpaid plan you automatically have free (albeit slow) data in UK.
BTW. Have you considered you backup plan in case the roaming does not work? Have you read the FAQ in the International section of this forum?
Thanks for your thoughts. I will look into the backup plan. My question mainly though was whether I needed to manually flip the Data Roaming plan on (in the Cellular settings). I do not want to inadvertently rack up a big bill.
Assuming that you are not getting there via some place like Andorra or a cruise ship, you should be able to leave your data turned on. Depending on the airline, they might have inflight phone service, which might subject you to high roaming charges. So, just turn data roaming back on after you've landed.
We want to make sure you have the service you need while traveling! Once you are in the UK you'll want to turn on data roaming for data access, and I would also make sure to dial #RON# to make sure roaming data is active on the network level as well.
thanks, that's very helpful, and the answer I was looking for. Point of clarification though, so that I'm clear.
Turning on data roaming means my phone will be able to access data but I am not sure what the #RON# step is for. You say to dial that " to make sure roaming data is active on the network level as well". So is this a test to see if roaming data is active or a step needed to activate roaming data? Sorry to be dense.
The #RON# is a USSD (control) message to T-Mobile to make sure that your data roaming is turned on.
Some of your questions are answered in the documentation in the International Section of this site.
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