Xi’an on a Budget & Smooth: My Guide to China SIM Cards & Mobile Networks

Landing in Xi’an after a 14-hour flight, I was exhausted but excited—until I tried to call my hotel and realized my phone had no signal. “Do I need to pay for international roaming?” I panicked, flipping through my carrier’s app. Spoiler: I did at first, and it cost me $20 for 2GB of data. By Day 2, I’d wised up, bought a local China SIM, and saved myself a fortune (and a ton of stress). If you’re heading to Xi’an, let me save you the hassle—here’s exactly how to handle China’s mobile systems as a tourist, no jargon, just straight-up tips.

First things first: Why skip international roaming in China?

I get it—roaming seems easy. Just flip on “International Data” in your phone settings before you leave home. But here’s the reality: China’s mobile networks are separate from the global system. Most foreign carriers (like AT&T, Vodafone, or T-Mobile) use China’s “roaming partner” networks, which are slower, more expensive, and often have spotty coverage in tourist areas.

My first day? I paid $10 for 1GB of roaming data, and it died by noon. I couldn’t open Google Maps to find the Muslim Quarter, couldn’t WeChat my tour guide, and couldn’t even check bus times. I ended up wandering for 30 minutes in 35°C heat, sweating and frustrated. Lesson learned: Roaming in China is a rip-off for travelers. Local SIMs are cheaper, faster, and way more reliable.

Xi’an on a Budget & Smooth: My Guide to China SIM Cards & Mobile Networks

China’s mobile operators: Who should you pick?

China has three major telecom operators, and for tourists, two are standouts: China Mobile and China Unicom. China Telecom is less common in tourist areas, so skip it unless you’re heading to rural spots.

China Mobile (中国移动): The “coverage king”

I chose China Mobile, and I’m so glad I did. It has the widest network in China—especially outside big cities. If you’re planning day trips to places like the Terracotta Army (30km outside Xi’an) or Mount Huashan (a 2-hour drive), Mobile’s 4G/5G signal is unbeatable. I was streaming music on the bus to the Terracotta Army and had 4G the whole way—my friend with Unicom? She had “no service” for 15 minutes.

Downside? Sometimes crowded areas (like Xi’an’s Bell Tower or Muslim Quarter during peak hours) can have slower speeds because so many people use Mobile. But for most tourists, it’s worth it.

China Unicom (中国联通): The “budget-friendly” option

Unicom is cheaper than Mobile and has great coverage in Xi’an’s city center. If you’re only staying in downtown Xi’an (near the city wall, Muslim Quarter, or Big Wild Goose Pagoda) and not venturing far, Unicom could save you a few bucks. I tried a friend’s Unicom SIM in the city, and WeChat and Google Maps worked perfectly. But when we took a taxi to the Terracotta Army, her signal dropped to 2G twice.

Bottom line: Pick China Mobile if you want reliable coverage everywhere (even on day trips). Pick Unicom if you’re a budget traveler sticking to central Xi’an.

How to buy a China SIM card in Xi’an: Step-by-step

Getting a SIM card is way easier than I thought. Here’s what I did, and what you need:

What you’ll need:

• Your passport (they must see it—no exceptions, even if you’re just buying a SIM).
• A phone that’s unlocked (most modern phones are, but if you’re unsure, call your carrier before leaving home).
• Cash (some shops take Alipay/WeChat Pay, but small vendors prefer cash).

Where to buy it:

Option 1: Xi’an Xianyang International Airport (XIY) – Easiest for arrivals
As soon as you exit baggage claim, look for “China Mobile” or “China Unicom” counters—they’re hard to miss, right next to the taxi stand. I arrived at 10 PM, and the Mobile counter was still open. The staff spoke basic English, which was a lifesaver.

Option 2: Downtown “official stores” – More choices, better deals
If you don’t want to deal with airport prices (they’re slightly higher), head to a main operator store in the city. I went to the China Mobile store near the Bell Tower (地址: 碑林区东大街1号). It’s huge, with English-speaking staff and tons of options.

Option 3: Small “phone shops” – Cheapest, but need basic Chinese
In areas like the Muslim Quarter or Xiaozhai, you’ll find tiny phone shops selling SIM cards. Prices are lower, but staff might not speak English. I tried one with a translation app, and it worked, but it’s riskier if you’re not comfortable bargaining.

The best SIM plans for tourists: What I bought (and what to avoid)

China Mobile and Unicom have special “tourist plans” that are perfect for short stays. Here’s what I recommend:

China Mobile: “Global Tourist Package” (神州行全球通旅游套餐)

• Price: ¥120 (≈$17) for 30 days.
• What’s included:
  • 20GB of high-speed 4G/5G data (enough for Google Maps, WeChat, and even light video streaming).
  • 100 minutes of international calls (to home countries, not just China).
  • Unlimited calls within China.
• Where to buy: At any China Mobile store or airport counter.

Why I loved it: 20GB was plenty for 5 days in Xi’an. I used Google Maps daily, streamed YouTube on the bus, and video-called my family—no slowdowns. The ¥120 was way cheaper than my $20/day roaming fee.

China Unicom: “Tourist Card” (游客卡)

• Price: ¥80 (≈$11) for 20 days.
• What’s included:
  • 15GB of 4G data.
  • 50 minutes of international calls.
• Bonus: Unicom often gives a free second SIM for your tablet or hotspot.

Who it’s for: Budget travelers or short trips (3-4 days). I tried this for a friend, and 15GB lasted her 4 days with no issues.

What to avoid:

• “Prepaid data-only SIMs”: Some shops sell SIMs with no calling/texting, just data. If you need to call your hotel or a guide, skip these.
• “Monthly plans” longer than 30 days: Most tourist plans cap at 30 days. If you’re staying longer, ask about “postpaid” plans (but you’ll need a Chinese bank account, which tourists don’t have).

Activation and setup: How to get online in 10 minutes

Buying the SIM is easy—activating it is even easier. Here’s what the China Mobile staff did for me:

1. Scan your passport: They used a machine to scan my passport and take a photo (China requires real-name registration for all SIMs—no anonymous cards!).
2. Pick a plan: I showed them the “Global Tourist Package” on my phone (they had English flyers), and they added it to my SIM.
3. Insert the SIM: They helped me take out my old SIM (or use the dual-SIM slot on my phone) and insert the new one.
4. Restart and test: I restarted my phone, and boom—full 5G signal! They even helped me download WeChat (if you don’t have it, you’ll need data to get it from the app store).

Pro tip: If you use an iPhone, go to “Settings > Cellular > Add Cellular Plan”—the new SIM should auto-populate with settings. For Android, it’s usually automatic, but if not, call 10086 (China Mobile’s hotline) for help.

What about apps and internet? Yes, you can use Google/Instagram!

One of my biggest fears was “Will I be able to use Google Maps or Instagram?” Spoiler: Yes—if you have a local SIM. China blocks some foreign apps (like Facebook, Twitter, and WhatsApp), but most work fine with a tourist SIM. Here’s what I used daily:

• Google Maps: Perfect for navigating Xi’an. I used it to find the bus stop to the Terracotta Army and to get walking directions to the Muslim Quarter.
• WeChat: Essential in China. I used it to message my guide, pay for small things (street food, souvenirs), and even call taxis (via WeChat Mini Programs).
• Instagram/TikTok: Worked flawlessly with my China Mobile SIM. I posted stories from the Bell Tower every day.
• WhatsApp: Some days it was slow, but most days it worked fine. If you rely on it, download WeChat as a backup—everyone in China uses it.

What doesn’t work? Facebook, Twitter, and some news apps (like The New York Times). But for most travelers, that’s not a big deal.

Troubleshooting: What if something goes wrong?

Even with the best plan, hiccups happen. Here’s how to fix common issues:

• “No signal”: Restart your phone first. If that doesn’t work, go to “Settings > Cellular > Cellular Data Options > Enable LTE” (or 5G). If still no signal, call 10086 (Mobile) or 10010 (Unicom)—they speak English.
• Data running out: Open your phone’s settings to check data usage. If you’re close to your limit, go to the Alipay app (or WeChat) and search for “China Mobile Recharge”—you can add more data in 2 minutes (I added 5GB for ¥30 when I was low).
• SIM card lost: Go to any operator store with your passport. They can deactivate the old SIM and issue a new one (you’ll lose any unused data, but better than losing your phone number).

My final verdict: A local SIM is non-negotiable for Xi’an

By Day 3 of my trip, I was a pro—navigating the city with Google Maps, ordering food via WeChat, and even calling a restaurant to make a reservation. All for less than $20 total. If I’d stuck with roaming, I would’ve spent over $100 just on data.

So, when you land in Xi’an, skip the roaming counter and head straight for a China Mobile or Unicom SIM. It’s cheap, easy, and will make your trip 100x smoother. Trust me—your future self (and your wallet) will thank you.

Xi’an is amazing, but don’t let mobile stress ruin it. Get a local SIM, and get ready to explore! 🚀