How to Avoid Unintended China Roaming in Border Areas
How to prevent unintended roaming caused by signal over-spills from Mainland China when you are in a border area.
3 Smart Learning
Friendly reminder: “##119#” short code is used to temporarily deactivate 3G or 4G LTE customer’s roaming service. It does not mean service cancellation. If you want to change your roaming option, please contact our 3iChat.