Hong Kong connected: how to set up for a group trip
Heading to Hong Kong with a group of friends and worried about losing connectivity and getting a bill from your home operator? Let's break it down: what to do before you leave home, what to do right after landing, and how to keep your regular number available while data flows through your travel eSIM.
Key points
- eSIM is installed at home beforehand through Wi-Fi, not at the airport after landing.
- You can keep your home number active for calls and texts, but it's best to turn off data roaming on it.
- Before activating your travel eSIM, check that each phone in the group supports eSIM and is not locked to an operator.
- Todo Mobile Travel eSIM is convenient precisely because setup happens before departure, without the rush once you arrive.
What to do before you leave
The first thing your whole group should check: do all your phones support eSIM and are they unlocked from any single operator? It's worth verifying in advance, because figuring this out on the road or at your destination takes time and is inconvenient.
The eSIM itself is installed using a code or link, and you need the internet for this. So the right time to install it is at home on Wi-Fi, a day or two before your trip, not in the arrival hall at Hong Kong airport. If everyone in the group has their own eSIM, it's better for everyone to install it beforehand in a calm environment, without the rush and crowding around one router.
- Check eSIM support and operator unlock status on each phone
- Install your eSIM at home on Wi-Fi, not at the airport
- Follow your phone manufacturer's official instructions for exact installation steps
What to do right after landing in Hong Kong
When the plane lands, you just need to turn on data roaming for your travel line—the eSIM you installed beforehand. This is the only thing that makes sense to do on arrival, because it's what turns on your internet for the trip.
Leave your home number alone: it stays as it was, just with data roaming turned off, which we'll cover in the next section.
How to keep your number and avoid unexpected charges
Many in your group will want to keep their home number active to receive calls or texts, like bank codes. This is reasonable and entirely possible: your home line stays active for calls and messages while data flows through your travel eSIM.
The important thing is that using your home number abroad may be charged by your home operator separately, especially for calls, texts, and of course data if roaming is on. So everyone in the group should check their home operator's terms for using their number abroad beforehand, and keep data roaming off on your home line throughout the trip.
- Check your operator's terms for using your number abroad in advance
- Keep data roaming off on your home line
- Use your travel eSIM for the internet, not your home line
How to organize this for the whole group
When a group is traveling together, it helps to agree in advance on who installs their eSIM and when, so everyone doesn't do it at once and crowd around one Wi-Fi router the last night before departure.
Hong Kong with its dense development, Victoria Harbour waterfront, Hong Kong Island and Kowloon is a city where groups find it convenient to stay in touch through messengers, and for that it matters that everyone has their travel eSIM switched on and working before the group splits up for an excursion or shopping.
If you spread these steps across time—installing eSIM at home, turning on data roaming after landing, and checking your home operator's terms beforehand—your Hong Kong trip will go smoothly with no fuss about connectivity. Todo Mobile Travel eSIM is perfect for the part where you can prepare calmly before you depart.
Sources and further reading
- Use eSIM while traveling internationally with your iPhone · Apple Support
- How to use an eSIM with your Galaxy phone · Samsung Support
- How to use dual SIMs on your Google Pixel phone · Google Pixel Help
