Overview
You've just landed at Shanghai Pudong Airport after a 5-hour flight from Changi. You pull out your phone to check Google Maps for directions to your hotel—and nothing loads. WhatsApp won't connect. Gmail is stuck. Welcome to China, where the internet works differently.
For Singapore travelers heading to China, a local SIM card isn't just convenient—it's essential. China's Great Firewall blocks most international apps you rely on daily, and nearly every useful Chinese app (WeChat Pay, Alipay, Didi) requires a Chinese phone number to register. Without one, you'll struggle to pay for anything, book a taxi, or even navigate the streets.
This guide covers everything Singapore travelers need to know: where to buy a China SIM card, which carrier to choose, how much to pay, and how to stay connected to both Chinese apps and your favorite international services.
Quick Facts at a Glance
| Item | Details |
|---|---|
| Best Option | simcardchina.com — Singapore & China delivery |
| Price Range | USD $5.62 - $36.80 (depending on plan) |
| Recommended Carrier | China Unicom (best compatibility with Singapore phones) |
| VPN Included? | Yes, with all simcardchina.com plans |
| Chinese Number Included? | SMART SIM includes it, EASY SIM doesn't |
| Delivery Options | Singapore home, China hotel, China airport pickup |
| Activation | Usually automatic; some require QR code scan |
Why Singapore Travelers Need a China SIM Card
China's internet is fundamentally different from Singapore. Understanding why you need a local SIM card will save you from a frustrating trip.
The Great Firewall: What's Blocked in China
China operates the world's most sophisticated internet censorship system, known as the Great Firewall. For Singapore travelers, this means your everyday apps simply won't work:
Completely Blocked:
- Google (Search, Maps, Gmail, Drive, Photos, YouTube)
- WhatsApp, Telegram, Signal
- Facebook, Instagram, Twitter/X
- Most international news sites
What This Means for You:
- Can't use Google Maps for navigation
- Can't message family on WhatsApp
- Can't check work emails on Gmail
- Can't post travel photos on Instagram
A regular Chinese SIM card won't solve this problem—you need one with built-in VPN to bypass the firewall.
Apps That Require a Chinese Phone Number
Even with VPN access, you'll face another problem: China's digital ecosystem requires a Chinese phone number.
| App | What It Does | Why You Need It |
|---|---|---|
| Messaging + Payments | Everyone uses it; WeChat Pay accepted everywhere | |
| Alipay | Payments | Primary payment app; works at street vendors to malls |
| Didi | Ride-hailing | China's Grab—can't get a taxi without it |
| Amap | Navigation | More accurate than Google Maps in China |
| Meituan | Food delivery | Order food, buy tickets |
All these apps require SMS verification. Without a Chinese number, you can't register.
Why Singapore Roaming is a Waste of Money
You might think: "I'll just use Singtel/StarHub/M1 roaming." Here's why that's a bad idea:
| Option | 7-Day Cost | Problems |
|---|---|---|
| Singtel | $25/MB or $35 for 15GB | Expensive, still blocked by firewall |
| StarHub | $10/100MB + 20% surcharge | Very expensive, no Chinese number |
| M1 | Similar rates | Same issues |
| China SIM Card | $12.90 - $26.80 | VPN included, much cheaper |
Bottom Line: Singapore roaming costs 5-10x more and doesn't solve the app registration problem.
Where to Buy: All Options for Singapore Travelers
Singapore travelers have multiple options. Here's the best way to get a China SIM card before or after your trip.
Best Option: simcardchina.com — Singapore & China Delivery ⭐
The most convenient option is ordering from simcardchina.com with flexible delivery:
Three Delivery Options:
- Singapore Home Delivery — Receive before you fly, no rush at airport
- China Hotel Delivery — SIM card waiting at your hotel when you arrive
- China Airport Pickup — Collect at counter after landing
Available Plans:
| Plan | Duration | Price (USD) | Features |
|---|---|---|---|
| EASY SIM | 7 days | $12.90 | VPN included, 5G/4G data |
| EASY SIM | 15 days | $15.90 | VPN included, 5G/4G data |
| EASY SIM | 30 days | $20.90 | VPN included, 5G/4G data |
| SMART SIM | 7 days | $13.90 | VPN + Chinese number, 10GB + 80min calls |
| SMART SIM | 15 days | $26.80 | VPN + Chinese number, flexible usage |
| SMART SIM | 30 days | $36.80 | VPN + Chinese number, flexible usage |
| eSIM | Flexible | from $5.62 | VPN included, instant activation |
Why This is Best:
- Pre-activated—just insert and go
- VPN built-in—access Google, WhatsApp from day one
- SMART SIM includes Chinese number for WeChat Pay, Alipay, Didi
- Multiple delivery options fit any travel plan
👉 Order your China SIM card at simcardchina.com
Buy at Changi Airport
If you prefer buying in person, Changi Airport has options:
Changi Recommends:
- Location: T1, T2, T3, T4 (24/7)
- Price: from SGD $4/day
- Note: Basic plans, may not include VPN
Singapore Retailers
SIMCARD.SG:
- Price: SGD $18.50 - $27.50
- Carrier: China Unicom
- VPN included
Klook / Shopee / Lazada:
- Various plans available
- Compare prices and reviews
- Check if VPN is included
Buy in China
Airport Counters:
- Available at Beijing, Shanghai, Guangzhou airports
- Prices 20-30% higher than online
- Need passport for registration
Carrier Stores:
- China Mobile, China Unicom, China Telecom
- Requires passport and local address
- Regular SIMs do NOT include VPN
China Unicom vs China Mobile vs China Telecom
China has three carriers. For Singapore phones, the differences in compatibility matter.
China Unicom — Best for Singapore Phones ⭐
China Unicom uses FDD-LTE—the same 4G standard used in Singapore. This means maximum compatibility with your iPhone or Android.
| Aspect | Details |
|---|---|
| Network | 4G/5G (FDD-LTE) |
| Coverage | Excellent in cities |
| Compatibility | Best for international phones |
| Best For | Most Singapore travelers |
China Mobile — Largest Network
China Mobile has the largest network with 985+ million subscribers. Best coverage in rural areas.
| Aspect | Details |
|---|---|
| Network | 4G/5G (TD-LTE) |
| Coverage | Best nationwide, including rural |
| Compatibility | May have issues with some foreign phones |
| Best For | Remote/rural travel |
Warning: China Mobile uses TD-LTE, which some Singapore phones don't fully support. You might only get 3G speeds.
China Telecom — Budget Option
| Aspect | Details |
|---|---|
| Network | 4G/5G |
| Coverage | Good in cities, weaker rural |
| Pricing | Often cheapest |
| Best For | Budget travelers in major cities |
Which Carrier for Your Phone?
| Phone | Recommended Carrier |
|---|---|
| iPhone (any recent model) | China Unicom ✓ |
| Samsung Galaxy | China Unicom ✓ |
| Google Pixel | China Unicom ✓ |
| Xiaomi, OPPO, Huawei | Any carrier |
When in doubt: Choose China Unicom for best compatibility.
Physical SIM vs eSIM: Which to Choose
Tourist SIM cards come in physical and eSIM formats. Here's how to decide.
Physical SIM (EASY SIM / SMART SIM)
Advantages:
- Works with any unlocked phone
- SMART SIM includes Chinese phone number
- Can swap between devices
Best For:
- Need WeChat Pay, Alipay registration (get SMART SIM)
- Older phones without eSIM support
- First-time China visitors
eSIM
Advantages:
- Instant delivery via email
- No physical card to lose
- Keep Singapore SIM active simultaneously
Disadvantages:
- No Chinese phone number
- Requires eSIM-compatible phone
eSIM-Compatible Phones:
- iPhone XR, XS and newer
- Samsung Galaxy S20 and newer
- Google Pixel 3 and newer
Our Recommendation
| Situation | Recommended |
|---|---|
| Need WeChat Pay, Alipay, Didi | SMART SIM (has Chinese number) |
| Just need data + VPN | eSIM (instant) or EASY SIM |
| First time to China | SMART SIM (most versatile) |
| Dual-SIM phone user | eSIM (keep SG SIM active) |
Prices & Plans at a Glance
Here's what you'll pay for a China SIM card, with prices in USD and SGD.
simcardchina.com Plans
| Plan | Duration | USD | SGD* | Chinese Number |
|---|---|---|---|---|
| EASY SIM | 7 days | $12.90 | ~$17.40 | ❌ |
| EASY SIM | 15 days | $15.90 | ~$21.50 | ❌ |
| EASY SIM | 30 days | $20.90 | ~$28.20 | ❌ |
| SMART SIM | 7 days | $13.90 | ~$18.80 | ✅ |
| SMART SIM | 15 days | $26.80 | ~$36.20 | ✅ |
| SMART SIM | 30 days | $36.80 | ~$49.70 | ✅ |
| eSIM | Flexible | from $5.62 | ~$7.60 | ❌ |
*SGD prices approximate at 1 USD = 1.35 SGD
What's Included
All Plans Include:
- 4G/5G high-speed data
- Built-in VPN (access Google, WhatsApp, Instagram)
- Hotspot/tethering supported
SMART SIM Extra:
- Chinese phone number
- Receive calls and SMS
- Register for WeChat Pay, Alipay, Didi
How to Activate Your China SIM Card
Activation is usually automatic, but here's how to prepare and troubleshoot.
Before Leaving Singapore
1. Check Your Phone is Unlocked
iPhone: Settings > General > About > Carrier Lock → Should say "No SIM restrictions"
Android: Insert a friend's SIM from different carrier. If it works, you're unlocked.
2. Turn Off Data Before Inserting
- Turn off mobile data
- Turn off data roaming
- This prevents accidental Singapore SIM charges
Activation Steps
Physical SIM:
- Power off phone
- Remove Singapore SIM (keep it safe!)
- Insert China SIM
- Power on
- Wait 2-5 minutes for network
- Turn on mobile data and roaming
- Test by opening browser
eSIM:
- Connect to WiFi
- Settings > Cellular > Add eSIM
- Scan QR code from email
- Wait 1-5 minutes
- Set eSIM as default for data
Troubleshooting
| Problem | Solution |
|---|---|
| No signal | Restart phone, manually select network |
| Data not working | Turn data roaming ON |
| VPN not working | Restart phone, contact provider |
| Can't activate | Check SIM orientation, try different phone |
Essential Apps to Download Before Your Trip
Download these apps in Singapore—some can't be downloaded in China.
Download in Singapore (Before Trip)
| App | Purpose | Notes |
|---|---|---|
| Messaging + Payments | Create account before arriving | |
| Alipay | Payments | Link Singapore card for Tourist Mode |
| Didi | Ride-hailing | China's Grab |
| Amap (高德地图) | Navigation | Better than Google Maps in China |
| Pleco | Translation | Works offline |
Can Download in China
- Meituan (food delivery)
- Taobao (shopping)
- Trip.com (travel booking)
- Xiaohongshu (lifestyle/reviews)
Pro Tip: Create WeChat account in Singapore with your Singapore number. In China, add your Chinese SIM number for payments.
For a complete list of apps and setup instructions, see our essential China travel tips guide.
Planning Your China Trip
- Is China safe? — Crime rates, scam avoidance, emergency numbers, and what to expect
- How much does it cost? — Daily budgets from $28 backpacking to $500+ luxury, with real prices
- Do I need a visa? — Visa-free options, 240-hour transit, and application process
- Best time to visit — Month-by-month guide to weather, crowds, and holiday periods
About the Author
This guide was written by the Gopagoda Travel Team, helping travelers navigate China since 2015. We've tested dozens of SIM providers and know what Singapore travelers actually need.
Editorial Standards
This guide reflects firsthand experience and thorough research from Chinese and English sources. Prices accurate as of February 2026—always confirm current details before purchasing.
