SIM Cards & eSIM for China Travel (2026)

Connectivity · Updated: April 2026 · 10 min read

You need internet in China—not just for Google Maps and translation, but for basic daily functions. Alipay, WeChat Pay, Didi (ride-hailing), train tickets, food delivery—they all require a data connection. Google, WhatsApp, Instagram, and most Western social media are blocked without a VPN, which also needs data to function. Here's how to get connected before you land.

SIM vs eSIM: Which Is Better?

Factor	eSIM	Physical SIM
Convenience	Buy & activate from home	Buy at airport or store
Works on arrival	Yes — data immediately	No — need to purchase & activate
Keep home number	Yes (dual SIM phones)	Yes (dual SIM phones)
Price per GB	More expensive ($3–8/GB)	Cheaper ($0.3–1/GB)
Data amount	Usually 1–20 GB	Usually 10–100+ GB
Phone calls	Rarely included	Usually included
Phone compatibility	iPhone XS+, Pixel 3+, Samsung S20+	All phones

Recommendation: Use both. Buy an eSIM before departure so you have data the moment you land. Then buy a cheap physical SIM at the airport for heavy data use. Your eSIM becomes backup.

eSIM Options (Buy Before You Go)

eSIMs are the most convenient option for travelers. You buy online, scan a QR code, and have data immediately upon arrival in China. No store visit, no language barrier, no paperwork.

Holafly

From $19 / 7 days

Best for: Unlimited data travelers

Unlimited data (5G speeds for first X GB, then throttled)
No tethering/hotspot
Chinese phone number included (data only for some plans)
Customer support in English

Airalo

From $8 / 1 GB

Best for: Light users, short trips

Pay-per-GB pricing
China eSIM from $8 (1 GB / 7 days)
10 GB / 30 days around $30
No tethering
App-based management

Chinese eSIM (China Unicom)

From ¥50 (~$7) / 7 days

Best for: Budget-conscious, more data

More data for less money
5G speeds
Purchase via Alipay (set up before arriving)
Setup instructions may be in Chinese

How to Buy an eSIM

Visit the provider's website (holafly.com, airalo.com, etc.)
Select "China" as your destination
Choose your plan (duration and data)
Pay with credit card or PayPal
Receive a QR code via email
On your phone: Settings → Cellular → Add eSIM → Scan QR code
Activate when you arrive in China (or immediately, depending on provider)

eSIM activation timing: Most eSIMs activate the moment you connect to a Chinese network. Don't activate before you leave home unless the provider says it's okay—some eSIMs start the countdown immediately upon activation, not upon first use in China.

Physical SIM Cards (Buy in China)

Physical SIM cards are cheaper per GB and offer more data, but require you to buy them in China. The three major carriers all offer tourist SIM cards at airports.

Where to Buy

Airport kiosks: Every major airport has carrier kiosks in the arrivals hall. Staff speak basic English. Bring your passport.
Carrier stores: Found in shopping malls and on major streets. Better prices than airports.
Convenience stores: Some 7-Eleven and FamilyMart stores sell pre-packaged SIM cards.
Online (JD.com, Taobao): Cheapest option but requires Alipay/WeChat Pay and a Chinese address. Not practical for tourists on day one.

What You Need

Your passport (mandatory — Chinese SIM cards require real-name registration)
Payment method (cash RMB, Alipay, or WeChat Pay)
An unlocked phone

Real-name registration (实名注册): Since 2017, all SIM cards in China must be registered with a passport or Chinese ID. When you buy a SIM, the vendor will photograph your passport. This takes 5–10 minutes. There's no way around it — it's the law.

Chinese Carrier Comparison

	China Mobile (中国移动)	China Unicom (中国联通)	China Telecom (中国电信)
Network	Largest coverage	Good in cities	Good in cities
5G	Yes	Yes	Yes
CDMA/GSM	GSM (global)	GSM (global)	CDMA (limited compatibility)
Best for	Traveling to rural areas	City-based tourists	Cheap data plans
iPhone compatibility	✅ Full	✅ Full	⚠️ iPhone 12+ only (some models)

Recommendation: For most tourists, China Mobile or China Unicom is the safe choice. They work with all unlocked phones and have the best coverage. Avoid China Telecom unless you've confirmed your phone supports CDMA bands.

Typical Tourist SIM Pricing

Plan	Data	Validity	Price
Airport tourist SIM	5–8 GB	7 days	¥50–80 ($7–11)
Monthly plan	20–50 GB	30 days	¥80–150 ($11–21)
Heavy data plan	100+ GB	30 days	¥150–200 ($21–28)

Prices at airport kiosks are higher than carrier stores. If you're staying near a shopping district, you can save 20–30% by buying at a carrier store instead.

How to Buy at the Airport

After landing and clearing immigration, look for carrier kiosks in the arrivals hall. They're usually near the exit, clearly marked with carrier logos (China Mobile, Unicom, Telecom).
Show your passport to the staff. Tell them you want a tourist data SIM card (旅游上网卡).
Choose your plan. The staff will show available options. For a 7–14 day trip, the basic tourist plan (¥50–80) is usually sufficient.
Staff will register your passport. They'll take a photo of your passport and enter your information into their system. This takes 5–15 minutes.
Insert the SIM card and follow the activation instructions. Usually, you'll receive a text message with the SIM details.
Test your connection before leaving the kiosk. Open a web browser and try loading a website.

At Beijing Capital Airport: The SIM kiosks are on the second floor of Terminal 3 arrivals. At Shanghai Pudong, they're near Gate 7–8 in the arrivals hall. At Guangzhou Baiyun, look in the corridor between the arrival hall and the metro station.

Setup Instructions

iOS (iPhone)

Insert the SIM card (or scan eSIM QR code)
Go to Settings → Cellular
You should see the new plan listed
Tap it and ensure Cellular Data is ON
For data-only SIMs: Under Cellular Data Options → Data Roaming, set to ON
If you have dual SIM, set the Chinese SIM as your data line

Android

Insert the SIM card
Go to Settings → Network & Internet → SIM cards
Tap the new SIM and enable Mobile data
Enable Data roaming (required for eSIMs and some physical SIMs)
Set APN if prompted (usually auto-configured, but sometimes: cmnet for China Mobile, 3gnet for Unicom)

Check Your APN Settings

If data doesn't work after inserting the SIM, check your APN settings:

China Mobile: APN = cmnet
China Unicom: APN = 3gnet
China Telecom: APN = ctnet

Most modern phones auto-configure these, but older devices may need manual input.

Dual SIM Strategy

If your phone supports dual SIM (most modern phones do), here's the ideal setup:

Slot	Card	Purpose
Primary (eSIM or Slot 1)	Chinese SIM	Data, local calls, WeChat, Alipay
Secondary (Slot 2)	Home SIM	Calls/texts from home (roaming OFF for data)

Important: Make sure data roaming is OFF for your home SIM to avoid expensive roaming charges. Only enable data on the Chinese SIM. You can still receive calls/texts on your home number (roaming for calls/texts is usually cheaper than data roaming).

WiFi Alternatives

If you can't get a SIM or eSIM, there are alternatives—though they're all inferior for daily use:

Hotel WiFi: Most hotels offer free WiFi. Quality varies from excellent to unusable. Some hotels require a WeChat login to access.
Public WiFi: Available in airports, train stations, malls, Starbucks, and McDonald's. Usually requires a Chinese phone number to receive a verification code.
Pocket WiFi rental: Devices you rent at airports or online. About ¥50–80/day. Overpriced compared to SIM cards. Not recommended.
International roaming: Your home carrier's roaming plan. Expensive ($10–15/day or more for data). Only for emergencies.

Why WiFi alone isn't enough: Many Chinese services (Alipay, WeChat Pay, Didi) require mobile data, not just any internet connection. They detect your network type and may restrict functionality on WiFi. A local SIM card is strongly recommended.

Frequently Asked Questions

Can I buy a Chinese SIM before arriving?

Physical SIMs need in-person passport verification, so you can't buy them online. However, you can buy a China Unicom eSIM through Alipay (if you set up Alipay Tour Pass before arriving) or through international eSIM providers like Holafly and Airalo.

Will my Chinese SIM work in other countries?

Chinese SIMs can work abroad with roaming enabled, but roaming rates are expensive (¥30+ per MB). Don't rely on a Chinese SIM for use outside China.

Is 5G available for tourists?

Yes. All three major carriers offer 5G in major cities. Your phone must support the 5G bands used in China (n78/n41/n28). Most modern phones do. If not, you'll automatically connect to 4G LTE, which is still fast (typically 20–50 Mbps).

Can I use tethering (hotspot) with my Chinese SIM?

Yes, physical SIMs from Chinese carriers support tethering. Some eSIM providers (especially Holafly) prohibit tethering in their terms. Check before relying on hotspot.

What if my phone is locked to a carrier?

You need an unlocked phone to use any foreign SIM. Contact your carrier to request an unlock before traveling. Most carriers unlock phones for free after the contract is fulfilled.

How much data do I need?

For a typical 7–10 day trip with daily map use, translation, WeChat, and browsing: 3–5 GB for light users, 8–15 GB for moderate users. Streaming video eats data fast—download shows on WiFi before your trip.

Next Steps:

Set up Alipay and WeChat Pay — you'll need data first
Get a VPN that works in China to access Google, WhatsApp, and more
Download the essential apps before you arrive