In terms of phone coverage, mobile communication is available via 4G and 5G data networks
The three major mobile service suppliers in China are China Telecom, China Mobile and China Unicom. SIM cards can be purchased at any service booths, outlets of these suppliers and cell phone stores, once you’ve provided identification and paid for phone credit. All phone numbers are 11 digits. Phone credit can be accessed by recharging online or at convenience stores. Follow the signs, and if you’re confused, be sure to ask for help.
