📶 Connectivity: SIM & eSIM Options
Plain English
Compare China Mobile / Unicom / Telecom tourist SIMs and travel eSIMs by price, hotspot support, and whether they bypass the firewall.
Register with your passport; keep the receipt.
Scope: national
有没有上网流量套餐？
yǒu méiyǒu shàngwǎng liúliàng tàocān?
Do you have a mobile data plan?
TL;DR: For 100% “Firewall Bypass,” use a Travel eSIM (Trip.com, Holafly, Simify, or Nomad). For local services (receiving SMS, booking Didi, or registering at local hotspots), you need a Physical SIM from China Unicom or China Telecom.
Prerequisites:
- Unlocked Phone: Crucial. Check with your home carrier before departure.
- Physical ID: Passport (required for local SIM registration at physical stores).
- Setup Time: 15 mins (eSIM) vs 45 mins (Store visit).
📋 The Runbook
1. The eSIM “Bypass” Protocol
- Step 1: Purchase a Travel eSIM via Trip.com, Holafly, Simify, or Nomad before landing.
- Step 2: Choose the plan that fits your data needs (Trip.com is typically the cheapest for data; Holafly offers unlimited data). These eSIMs route traffic through HK/Macau/Singapore, bypassing the Great Firewall natively.
- Verification: Switch your data connection to the eSIM. Open a blocked website (e.g.,
google.com). If it loads, you are “off-wall.”
2. The Local SIM “Full-Stack”
- Step 1: Go to a China Unicom (中国联通) or China Telecom (中国电信) official service center (avoid small street kiosks; they often cannot process foreign passports).
- Step 2: Ask for the “Short-term Tourist SIM” (usually 100-200 RMB). Present your physical passport.
- Step 3: The staff will perform a mandatory face-scan for registration.
- Verification: Reboot your phone. Verify you receive local SMS and can see the 4G/5G signal icon.
3. Comparison of Connectivity Nodes
| Option Type | Popular Providers | Best For | VPN Required? | SMS Verification (+86)? | Notes |
|---|---|---|---|---|---|
| Travel eSIM | Trip.com, Holafly, Simify, Nomad | Short-to-medium stays (7-21 days) | No (Native Bypass) | ❌ No (Data-only or non-Chinese number) | Best for social media/maps; cannot register for some local apps requiring +86 numbers. |
| Local Physical SIM | China Unicom, China Telecom | Long stays (1 month+), heavy local app usage | YES (Firewall active) | Full Support (Provides local +86 number) | Mandatory face scan; enables registration for Didi, Meituan, and local public Wi-Fi. |
| Home Roaming | T-Mobile, Vodafone, Telstra | Short business trips | No (Native Bypass) | Varies (Keeps home number active) | Very expensive, but keeps your primary phone lines active. |
🚨 Fallback (Plan B)
If your eSIM fails to activate:
- Airport Kiosks: PVG and SHA arrivals have dedicated “Tourist SIM” kiosks. They are 2x the price of a city store but have English-speaking staff and will troubleshoot your settings on the spot.
- The “Hotspot” Patch: If only one member of the family has a working SIM, enable Personal Hotspot. Note: This drains batteries fast—carry your power bank.
- Wi-Fi + VPN: Use the airport/hotel Wi-Fi. It will likely require an SMS code. Providing your foreign country code (e.g., +1, +44) usually works for these portals.
💡 TechDad’s Tips
- The “Data Only” Trap: Some eSIMs give you data but no phone number. Without a number (starting with +86), you cannot register for Didi or Meituan. Check the fine print.
- China Mobile: Unless your phone specifically supports TDD-LTE/TD-SCDMA (most modern iPhones do, but some older Androids don’t), stick to China Unicom. They use a more global standard (GMS).
- The “Verification” King: If you plan to use local apps heavily, the +86 phone number is more valuable than the data itself. Use the +86 for the apps and your eSIM for the actual internet.
🚩 Strategic Gap: The “SPOF” Warning
Single Point of Failure: Relying on a data-only eSIM for a 3-week family trip.
- Hotfix: Get a local physical SIM for the primary traveler (+86 number for bookings/Didi) and travel eSIMs for the rest of the family.
| Last Updated: Jul 21, 2026 | Author: TechDadShanghai |