What happens when foreigners get your mobile phone number?

This situation can lead to direct contact, adding social media accounts and sending spam.

1. Direct contact: Foreigners will contact them by SMS or telephone for friendly communication, business promotion or other purposes.

2. Add social media accounts: Foreigners will search social media accounts through their mobile phone numbers, such as WeChat and Weibo, and try to add them as friends.

3. Send spam: Some foreigners will use their mobile phone numbers to send spam.