When buying a SIM card, you may need to ask the following questions in English:
1、What are the data plans available for this SIM card?
2、What are the monthly fees for different data plans?
3、Are there any roaming charges or additional fees for using the SIM card?
4、What is the validity period of this SIM card?
5、What are the requirements for purchasing this SIM card? Do I need to provide any documents or proof of identity?
6、Is there a limit on the amount of data usage per day or per month?
7、Can I upgrade or downgrade my data plan at any time?
8、What are the network coverage areas for this SIM card?
9、Are there any special offers or discounts available for this SIM card?
10、What is the process to activate this SIM card after purchase?
希望这些建议对你有所帮助！
