After purchasing your esimFlyer eSIM, you'll receive an email with a QR code. On your smartphone, go to Settings > Cellular/Mobile Data > Add eSIM or Add Data Plan, then scan the QR code. Follow the prompts to label your new data plan. Ensure data roaming is enabled for your eSIM line once you arrive in Budapest.
HELP CENTER
How do I activate and set up my esimFlyer eSIM for use in Budapest?
Updated May 30, 2026
Was this answer helpful?
Related questions
Other answers in this topic that travelers found useful.
How much mobile data (GB) do I need for a trip to Marrakech?
For a typical 5-7 day trip exploring Marrakech's Medina, Djemaa el-Fna, and Majorelle Garden, 3-5 GB of data is usually sufficient. This all…
Read answerIs an eSIM good for travel in Michigan, USA?
Yes, an eSIM like esimFlyer is an excellent choice for Michigan travel. It provides instant mobile data across the state, from Detroit to the…
Read answerWhich mobile networks do eSIMs use in Michigan?
esimFlyer eSIMs in Michigan typically utilize the robust networks of major US carriers such as AT&T and T-Mobile. This ensures strong 5G and …
Read answerHow much mobile data (GB) do I need for a trip to Michigan?
For a typical 7-10 day trip to Michigan, 5 GB to 10 GB of data is usually sufficient. This allows for extensive GPS navigation, social media…
Read answerCan I activate my Michigan eSIM before arriving at Detroit Metro Airport (DTW)?
Absolutely! You can purchase and activate your esimFlyer eSIM before you even depart for Michigan. Simply scan the provided QR code with your…
Read answer