Absolutely! Setting up your Cellesim eSIM before arriving at London Heathrow (LHR) or Gatwick (LGW) is highly recommended. You'll receive a QR code via email; simply scan it to install the eSIM profile. You can then activate it immediately upon landing, ensuring instant connectivity for maps and transport as you navigate into the city.
HELP CENTER
Can I set up my London travel eSIM before I arrive at Heathrow?
Updated July 22, 2026
Was this answer helpful?
Related questions
Other answers in this topic that travelers found useful.
Does my eSIM work with 5G or 4G networks in Paris?
Yes, Cellesim eSIMs leverage the robust 4G and 5G networks of major French carriers like Orange. You'll experience fast speeds whether you'r…
Read answerWhich local carriers do eSIMs use in Athens?
Cellesim eSIMs in Athens typically partner with Greece's leading mobile network operators, such as Cosmote , Vodafone GR , or Nova . These c…
Read answerHow to activate eSIM for Berlin?
You can easily activate your Cellesim eSIM for Berlin before you even land at Berlin Brandenburg Airport (BER). Simply purchase your eSIM on…
Read answerHow much mobile data (GB) do I need for a 7-10 day trip to Bali?
For a typical 7-10 day trip exploring areas like Seminyak, Ubud, or Canggu, 5-10 GB of data is usually sufficient. This covers navigation, s…
Read answerWhich eSIM works best for Beijing travel?
For Beijing, Cellesim offers excellent coverage on China Mobile or China Unicom's 5G/4G networks, ensuring reliable data across areas like S…
Read answer