- eSIMs with international routing allow you to bypass the Great Firewall of China without configuring additional apps.
- Holafly and UPeSIM stand out for offering unlimited data and integrated VPN, facilitating access to Google and WhatsApp.
- It is essential to install any external VPN before landing, as app stores are blocked in the country.
If you're planning a trip to China, you've probably realized that internet access there is a real headache. It's not just about getting gigabytes, but about surviving the Great Firewall , that censorship system that shuts down Google, WhatsApp, and Instagram just when you need them most to navigate Beijing or Shanghai.
To avoid being left without communication or relying on public Wi-Fi networks that are riddled with security vulnerabilities, the smartest option today is to opt for an eSIM with a built-in VPN . Forget about struggling with physical chips at the airport or complicated technical setups; the idea is that you can step off the plane, turn on your phone, and have an immediate connection, just like you do at home.
Understanding how eSIMs work with VPN
Many people mistakenly believe that these virtual SIM cards install a VPN program on their mobile phones, but the reality is simpler. What they do is use international data routing . Basically, even if you're connected to a China Unicom or China Mobile network, your internet traffic first travels to a server in another country (like Singapore or Hong Kong) and from there it goes out into the world. This way, the Chinese government thinks you're browsing from abroad and doesn't block your favorite apps.
It's an incredibly convenient solution because it avoids the instability of traditional VPNs, which the government sometimes detects and blocks within hours. However, keep in mind that this "trick" only works with mobile data. The moment you connect to Wi-Fi in a hotel or café , you'll be subject to local censorship again and will need a pre-installed VPN app to browse the internet.
Analysis of the best eSIM providers
There are plenty of options on the market, but not all of them are worthwhile in the Chinese context. Holafly is probably the most robust option for those who want hassle-free service, as it offers unlimited data and 24/7 technical support in Spanish via WhatsApp, something that's incredibly valuable when you have a problem thousands of miles away.
On the other hand, UPeSIM presents itself as a very competitive and transparent alternative, with prepaid plans starting from €4,99 and using the China Unicom network , ensuring solid coverage on major tourist routes and in cities like Guangzhou and Shenzhen. For those looking for something more budget-friendly, there are options like Saily or Nomad , although you should be careful because many of them don't include VPN access , meaning you would have to contract a separate external service.
Comparison of alternatives: eSIM vs Local SIM vs Pocket Wi-Fi
If your phone isn't compatible with eSIM technology, you still have options, although they're more cumbersome. Buying a local physical SIM at the airport might be cheaper, but it requires going through the passport check-in process and, most importantly, they usually don't include a VPN . You'd have to install an app like Surfshark or Mullvad before flying, since downloading the app from the Play Store once you're there is virtually impossible.
- and yes: Installation in two minutes via QR code, automatic activation upon landing and integrated unrestricted access.
- SIM Local: Very low price, but it requires in-person procedures and manual configuration of external VPNs.
- Pocket Wi-Fi: Ideal for groups, but it involves carrying an extra device that requires daily loading and pick it up/return it at the airport.
For those traveling independently, having a Chinese number can be useful for some very specific local transport apps or bus bookings, but for 95% of tourists, the convenience of the eSIM outweighs any minor drawbacks.
Essential tips to avoid messing up your trip
A common mistake is assuming that hotel Wi-Fi will work for everything. As we've seen, local Wi-Fi is often censored, so I highly recommend installing a paid VPN (like NordVPN or Surfshark) before leaving Spain. This way, if you run out of data or want to save battery, you can browse securely on public networks. Additionally, it's vital to set up Alipay or WeChat Pay by linking your bank card before traveling, as cash is practically obsolete in China and everything is paid for via mobile phone.
If you decide to go with an Amazon SIM, make sure the provider specifies that the connection is routed through Hong Kong. Many users confirm that these cards work with WhatsApp and Instagram without needing extra apps, although some specific Google sites might occasionally cause problems. Keep in mind that TikTok is often the most common issue, as it sometimes doesn't work even with the best VPNs due to its internal restrictions.
For worry-free travel in China, the most reliable solution is to combine a high-quality eSIM with a generous data plan and a backup VPN app for Wi-Fi networks. Whether you choose the peace of mind of Holafly's unlimited data or the affordability of UPeSIM's plans, the key is to have everything set up before takeoff so that, upon landing, your only concern is enjoying the trip, not struggling with your connection.
