1. SIM card at the airport – the fastest and most reasonably priced option.

Chinese citizens can access better-priced packages and even free home delivery. For example:

• China Telecom: ¥39/month for 206GB
• These offers are not always available to foreigners, but may be accessible via trusted contacts.

Available on Taobao and similar platforms. These include a router + SIM package, ideal for shared apartments or student dorms.
Typical offer:

• Router: ¥160
• Data plans:
• 3TB/month – ¥8.8
• 1.5TB/month – ¥7.8
• 300GB/month – ¥4.8

E-SIMs can be activated before arrival or while traveling:

• trip.com
• airalo.com
• Other global eSIM providers
• Great for convenience or temporary usage.

Roaming must be enabled manually on Chinese SIM cards
Alternatively, buy a local SIM:

• Hong Kong: ~HK$33
• Macau: ~MOP$50

Or use travel apps:

• Ctrip
• Skytone (Huawei phones)