1. I'm going abroad in the near future. What business should I handle with my mobile phone?

1. It is best to choose business hall or telephone manual service for overseas travel business. It's better for the business hall to choose the local main business hall, which is more convenient for handling business, because the deputy business hall has many authority restrictions. There is also a call to Mobile 1008 Unicom 100 Telecom 10000, and choose manual service to handle the business.

Call the customer service first and ask if your number can be used for international roaming and international long distance. Tips for going abroad: Mobile phones should prepare two things for roaming abroad: one is the ID card, and the other is the recharge amount. Know three things: SMS calls, group cornets will be invalid, and GPRS will generate high fees.

3. First, hold a valid certificate to the business hall where the number belongs to open the international roaming authority; Secondly, check whether the mobile phone network standard is available: is the global network standard GSM or WCDMA and CDMA? Finally, I suggest you order the corresponding international roaming package to avoid excessive communication costs.

The documents needed to go abroad are passport and visa. The specific procedures for handling passports and visas are as follows: Passport handling procedures ① Take my ID card or household registration book or other household registration certificates to the exit-entry administration department of the municipal or county public security bureau where the household registration is located to receive the Approval Form for China Citizens to Apply for Going Abroad in duplicate.