Guangzhou & Shenzhen airports: land online in the Greater Bay

The travelers we set up for Guangzhou and Shenzhen are a different crowd from our Great Wall tourists: buyers heading to the Canton Fair, engineers visiting Shenzhen factories, families visiting relatives across Guangdong. What they have in common is zero patience for connectivity problems — there’s a supplier WhatsApp group pinging before the seatbelt sign turns off. Here’s the arrival playbook for both airports, plus the Hong Kong wrinkle that catches people every week.

SIM counters at Baiyun and Bao’an

Guangzhou Baiyun (CAN) and Shenzhen Bao’an (SZX) both have carrier counters — China Mobile, China Unicom, China Telecom — around arrivals, selling tourist SIMs for roughly $20–30 with about 20 GB. Mandatory passport real-name registration applies, with the usual photographing and processing. During Canton Fair season (spring and autumn), Baiyun’s arrival halls are heaving and every queue is longer — including the SIM one.

The standard China catch applies: a local SIM is behind the Great Firewall, so Google, Gmail, Maps and WhatsApp — the exact apps your supplier group chat lives on — are blocked. A roaming travel eSIM routes data internationally instead: everything works, no VPN, no IT-department improvisation in the taxi line.

The Wi-Fi loop, Pearl River edition

Same as every big Chinese airport: free Wi-Fi that wants to text a code to a phone that already has service. Passport-scanning code kiosks are the workaround if you’re stuck. But if you’re on a business clock, the honest answer is that hunting for a Wi-Fi kiosk at Bao’an between flights is time you budgeted for something else. Install the eSIM before you fly and the problem never exists.

Coming in through Hong Kong? Read this twice

Huge numbers of Shenzhen visitors don’t fly into SZX at all — they land at Hong Kong (HKG) and cross at Lo Wu, Futian or Shenzhen Bay. Two different worlds, one border: Hong Kong has an open internet; the mainland side is behind the firewall. A Hong Kong SIM or eSIM goes dark on the apps you care about the moment you cross. The clean setup is two eSIMs installed before the trip — a Hong Kong eSIM for the HK leg and our China eSIM for the mainland leg — and you switch as you cross.

The iPhone rule matters double on a business trip

iPhones cannot install a non-Chinese travel eSIM while physically in mainland China — Apple location policy, no Wi-Fi or VPN workaround. For a tourist that’s an inconvenience; for a business traveler with a factory pickup at 8am it’s a small crisis. Install at home before you board (plan days don’t start until you connect in China), screenshot the QR and manual codes, and if anything goes sideways, here’s the fix-it guide.

Wheels down: the first 45 minutes

• Arrival card first — most foreign visitors need one, and since late 2025 you can file it online before you fly. On a business clock, this is ten minutes you don’t want to spend at a kiosk in Baiyun.
• Fingerprints, then immigration — self-service print kiosks for most visitors aged 14–70, then the foreigner lanes. During Canton Fair weeks, immigration is the queue that grows — another reason to have every form pre-filed.
• Bags, customs, out — carousel from the flight boards, green channel if nothing to declare, and into arrivals where the supplier WhatsApp group is waiting. With the eSIM already installed, you answer it from the taxi line. (Bag missing? File the PIR before you exit.)

Getting where you’re going

• From Baiyun (CAN): Metro Line 3 and the airport express buses reach central Guangzhou; taxis and Didi from the official queues. Fair-goers: pre-book transport during Canton Fair or budget serious queue time.
• From Bao’an (SZX): Metro Line 11 runs into the city; Didi is everywhere in Shenzhen — with data, it’s the easy option.
• WeChat is the business card of Guangdong. Set up WeChat (and WeChat Pay) before you fly — first thing any supplier does is show you a QR code.

Related: All China airports guide · Hong Kong travel eSIM · 10-day visa-free transit · China eSIM plans