This China travel guide is written for UK holidaymakers who want to arrive prepared with the right mobile tools: apps, payment options and a connectivity plan that keeps calls, maps and translation working while you explore. The advice below focuses on mobile readiness and practical, lawful options — apps to consider, what to bring for power and offline use, how to handle fares and payments, and a clear product card for an eSIM option tailored to travellers.

China travel guide: Connectivity and essential apps

Before you go, decide whether you will rely on your UK mobile operator’s roaming, a local physical SIM, or an eSIM. Each approach has trade-offs: roaming is simple but can be costly; a local SIM gives a local number; an eSIM avoids a physical card and can be turned on and off easily on compatible phones. For many UK visitors an eSIM that offers a measured data allowance for the duration of a holiday is an efficient solution because it preserves your UK SIM for calls or banking verification.

Must-have apps (install and test at home)

• Maps: install an offline-capable mapping app and download offline areas for cities you plan to visit.
• Translation: have a translation app that can save language packs offline and take photos of menus or signs.
• Transport: DiDi is commonly used for ride-hailing in larger cities — install it, create an account, and add a payment method if possible.
• Messaging: WeChat (Weixin) is widely used for everyday communication and payments; install it and familiarise yourself with its interface.
• Banking: ensure your UK card is enabled for travel and your banking app works with alerts switched on.

Permissions and security

Grant apps the permissions they need while you test them at home — location for maps, camera for translation — and use a screen lock, biometric unlock and an up-to-date OS. Keep a photocopy and a digital copy of your passport and travel insurance policy in a secure cloud location or encrypted notes app.

Preparation before travel

Preparation is practical: check device compatibility with eSIM if you plan to use one, ensure your phone is unlocked for foreign SIMs, backup essential contacts, and pass any necessary information to family or a travel companion. For power and charging, bring a reliable power bank (check airline rules for capacity), a travel adapter suitable for China’s sockets and the correct USB cables for your devices.

Power, plugs and device readiness

Mainland China commonly uses Type A and Type I sockets; bring a suitable travel adapter and confirm your chargers accept 100–240V input (most modern phone chargers do). A 20,000mAh power bank provides multiple full phone charges for long sightseeing days, but verify airline restrictions before you pack it in hold luggage.

Offline addresses and translation

Save key addresses in Chinese characters (hotel, embassy/consulate, major landmarks) inside notes on your phone and as paper copies. Many ride-hailing drivers prefer an address in Chinese, so a screenshot or saved note avoids confusion. Also save maps offline for each city you’ll visit so you can navigate without mobile data in tunnels or on battery-conserving days.

NIA arrival-information preparation (optional)

Some travellers find it useful to prepare arrival-related information in advance; this can include a local contact, arrival time, flight number and an accessible copy of your accommodation booking. When official arrival forms or online portals are required by authorities, they will be detailed by government or carrier communications. The NIA arrival-information preparation mentioned here is optional planning: have the same arrival details ready electronically and on paper so you can present them quickly if a specific form or check is requested. This is not a customs declaration, not visa advice, and not a universal requirement — always confirm any mandatory forms with official sources before you travel.

Special-meal planning and airline policies

Special in-flight meals depend entirely on the airline’s menu and advance-request process. If you require a special meal for dietary, medical or religious reasons, request it directly with the airline at booking and again by phone or online check-in. Carry necessary medications in hand luggage and keep a clear note of any food allergies. Airlines differ on what they can provide, so do not assume special meals are available unless confirmed.

Paying in China: cards, WeChat/Weixin Pay and cash

Payment methods in China are diverse. Mobile payment apps are widely used for everyday purchases, but UK visitors commonly rely on a mix of approaches:

• WeChat/Weixin Pay: WeChat is a major messaging app that also offers payment services. It is widely used for peer payments, small shops and many services. UK travellers can install WeChat and use its features for communication; the availability of WeChat Pay for non‑Chinese cards varies and often requires verification and bank linkage. Because provision and acceptance can change, plan for the possibility that setting up in-country payment access may be limited for foreign cardholders.
• Physical card: Bring a contactless or chip-and-PIN debit or credit card (Visa and Mastercard are accepted at many hotels, department stores, larger restaurants and tourist sites). Inform your bank of travel dates and check foreign transaction fees and contactless limits.
• Modest cash contingency: Keep a small amount of local currency for markets, small vendors and taxis that prefer cash. Cash is useful where mobile payment methods or cards are not accepted.

DiDi and ride-hailing: practical use, no guarantees

DiDi is a common ride-hailing option in many Chinese cities. It can be convenient for city travel, airport transfers and point-to-point trips. Keep the following in mind:

• Service availability varies by city and demand; there are no guarantees a ride will be available at any moment, especially at peak periods.
• App features, driver types and price structures differ from UK ride-hailing services; confirm pick-up points at airports and busy areas.
• Payment methods within the app may favour local mobile wallets; add a card if the app allows or be ready to pay via another method if required.

Connectivity: roaming, local SIMs and an eSIM product option

Decide on a connectivity plan that matches the pace of your trip. If you prefer one simple data connection from arrival to departure without swapping physical SIMs, an eSIM with a defined data allowance is a practical option for many travellers. The product card below summarises one verified traveller-oriented eSIM product that includes data for China and the UK.

General eSIM safety and compatibility notes

Before buying any eSIM, confirm your phone is eSIM-capable and unlocked for foreign profiles. Check that the device supports the regional bands you need. Keep a backup plan in case a chosen data pack does not meet your itinerary needs — for example, an alternative local SIM, Wi‑Fi access at accommodation, or using your UK roaming plan for short periods.

Lawful planning for restricted or unavailable services

Some online services, apps or content may be restricted, unavailable or behave differently in China compared with other countries. Plan lawfully: research what services are accessible, consider downloading necessary content for offline use before you travel (books, tickets, maps, entertainment), and choose alternatives that are legally available in the destination. Do not attempt to instruct or enable circumvention of local restrictions. If access to a particular online service is essential for your trip (for work, communications or bookings), check with your employer, the service provider or official guidance for lawful options and contingency measures.

Working remotely and business use

If you must access corporate accounts or conferencing tools while in China, test connectivity options and company IT policies before travel. Ensure multi-factor authentication methods you use for work are not tied exclusively to UK phone numbers that you cannot access while abroad.

Practical checklist before you leave the UK

• Confirm passport validity and any entry requirements with official government resources (this guide does not provide visa or border advice).
• Inform your bank of travel dates; enable contactless and online transaction alerts.
• Install and test apps: maps (with offline areas), translation, DiDi, WeChat.
• Decide on data: roaming, local SIM or an eSIM (see product card above for one eSIM option).
• Save Chinese-language addresses for your hotel and key places; print copies.
• Pack a travel adapter for Type A / Type I sockets and a power bank compliant with airline rules.
• Request special airline meals early if needed and carry essential medications in hand baggage.

Travelling well-prepared makes a big difference: save offline maps, confirm meal needs with your airline, carry a modest cash contingency, be ready with your card and a mobile-payment option such as WeChat where possible, and consider an eSIM like eSIM CTE (CN+UK) 22GB if you prefer a single, temporary data plan. For the product details and to order the eSIM referenced above, see the supplier page: https://holidayesim.com/en/get-22gb-global-esim-30-days-in-china-uk-and-europe.