Do I have to roam on my mobile phone to go to Hong Kong?

The mobile phone must be roaming. You are roaming internationally, not domestically.

It's best to open it before going to Hong Kong, and then go through customs after opening it successfully. Overseas, receiving text messages is free. However, there is a charge for answering the phone. In Hong Kong, the telephone is 0.99 yuan/minute.

Method:

1, using mainland mobile phones to open international roaming, the phone bill is very expensive, if it is a short-distance tour, this is more suitable. For mobile users, just call 10086 customer service.

2. SMS business hall handling: opening: KTGJGPRS 1 transfer10086; Cancel: qxgjgrps 1 turn 10086.

3. Business hall handling: Bring valid certificates to the mobile business hall for handling.

Note: International roaming function must be enabled before international, Hong Kong, Macao and Taiwan roaming data stream day packages can be enabled.

Extended data:

Charging rules:

1. The international, Hong Kong, Macao and Taiwan roaming data traffic daily package will continue to be valid after opening, and will stop at 0: 00 (Beijing time) the day after the customer cancels the daily package subscription relationship.

2. Due to the delay in the transmission of international bills, the collection of daily package fees may be delayed.

3. Before handling the daily package, please confirm whether the GPRS function is normal (that is, the GPRS function is not closed or suspended) and whether the international roaming function is enabled, so as not to use the daily package even if it is enabled.

4. When roaming internationally in 7 countries and regions, please pay attention to whether the operator you choose is the designated operator of international, Hong Kong, Macao and Taiwan roaming data day packages to avoid unnecessary cost losses.

References:

Baidu encyclopedia-international roaming