Installing before departure gives you time to solve compatibility or QR-code problems while you still have stable Wi-Fi. Activation timing, however, depends on the individual plan.
Quick answer
A travel eSIM is usually the most convenient choice for a compatible, unlocked phone. Buy before departure, keep your primary SIM for calls or SMS, and use the eSIM as the mobile-data line. Always follow the activation rule supplied with your plan.
What to check before buying
- Connect to reliable Wi-Fi and keep the QR code on another screen or printed.
- Add the eSIM in phone settings, label it China Travel and leave your primary SIM unchanged.
- Follow the plan’s activation rule; do not switch it on too early if validity starts immediately.
- After arrival, select the eSIM for mobile data and enable data roaming on that eSIM if instructed.
Recommended setup
- Confirm that your exact phone model supports eSIM and is carrier-unlocked.
- Choose the destination, data allowance and validity period that match the full itinerary.
- Install while connected to stable Wi-Fi. Save the QR code and manual details securely.
- On arrival, select the travel eSIM for mobile data. Enable data roaming on the eSIM only when the instructions require it.
- Keep the original SIM as the default voice line if you need calls or verification messages, and disable paid data roaming on that line.
Where to buy
International checkout: View the mainland China eSIM or view the China–Hong Kong–Macau eSIM. You can also browse all destinations at My eSIM Box.
Taobao checkout: View product option 1 · View product option 2. Check the destination, data amount, validity and device compatibility shown on the product page before ordering.
Common mistakes to avoid
- Buying before confirming eSIM support and carrier-unlocked status.
- Assuming every “China” plan also covers Hong Kong and Macau.
- Deleting the eSIM after a temporary connection problem.
- Using the original SIM for mobile data and accidentally creating roaming charges.
- Streaming or using hotspot without checking remaining data.
Frequently asked questions
Can I scan a QR code displayed on the same phone?
Use another screen, a printed copy or the manual activation details if provided.
Should I delete an eSIM that is still activating?
No. Contact support first; many QR codes cannot be reused after deletion.
Final recommendation
Choose based on phone compatibility, route, data use and support—not the lowest price alone. Install before departure, keep the original SIM for SMS, and contact support before deleting an installed eSIM. For current plans, visit chinacheckpick.com or use either verified Taobao product link above.
Network availability and app access can vary by plan, location, device and current carrier conditions. Product-page specifications take priority.
Bulk Data, Team Orders and Reseller Partnerships
Volume pricing is available for high-data requirements, team purchases, long-term business use and multi-country plans. Reseller, distribution and ongoing partnership enquiries are also welcome.
Email wenz75938@gmail.com with the country or region, data per eSIM or total data, validity, estimated quantity, hotspot requirement, use case and target start date.
Bulk pricing depends on coverage, data allowance, validity, quantity, network and product rules, and is subject to the final confirmed solution and quotation.