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Works in 135+ countries
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eSIM Frequently Asked Questions

eSIM Frequently Asked Questions

eSIM Frequently Asked Questions


Sometimes known as electronic SIM cards, eSIM actually stands for embedded SIM. As the name suggests, this means that SIM functionality can now be integrated directly into the device, rather than a separate card needing to be inserted.

In case you have the eSIM capable phone or tablet, you can use an eSIM instead of the regular physical SIM card.


TravelSim SIM cards come with a European number, starting with +372.

You have also the possibility to buy the US number as an alternative number for an international eSIM.


TravelSim eSIM can be used with the following devices:

Apple devices: 

iPhone 15/Plus/Pro/Pro Maxi; iPhone 14/Plus/Pro/Pro Max; iPhone 13/ Mini/Pro/Pro Max; iPhone 12/ Mini/Pro/Pro Max; iPhone 11 /Pro /Pro Max ;iPhone XS / XS Max, iPhone XR, iPhone SE, iPad Air (3rd, 4th Generation), iPad Pro (1st to4th Generation), iPad Mini (5th Generation), iPad (7th, 8th Generation).

Android devices: Google Pixel 2/ 3 / 3 XL / 4 / 4 XL/4a/5, Samsung Galaxy S23/23+/Ultra Samsung Galaxy S22/22+/Ultra; Samsung Galaxy S21/21+/Ultra , Samsung Galaxy S20 / S20+ / S Ultra, Samsung Galaxy Note 20 Ultra, Samsung Note  20 /20+/ FE/ Ultra/ Ultra 5G, Samsung Galaxy Fold/ Fold2 5G, Samsung Galaxy Z Flip, Microsoft Surface Pro, Windows 10 PCs, Huawei P40 and P40 Pro, Lenovo Yoga 630, Nuu Mobile X5, HP Spectre Folio, Gemini PDA, Motorola Razr 2019, Palm Palm

In case your device is not listed here but it´s compatible with eSIM, then Travelsim eSIM can be used.


TravelSim international eSIM enables you to make calls, send SMS and use data.

Travelsim Asia eSIM enables you to use data and send SMS. No calls available. You can still make calls using apps like WhatsApp


You can select the data plan you need among our large range of prepaid data plans. We provide global or area specific data plans depending on your destination and data consumption.
Once you have selected the data plan you want, based on your travel destination, just click on “buy”. Your data plan will be added to your TravelSim Account.

Important! All TravelSim data plans need to be activated before any usage under My Account.


All the data plans need to be activated beforehand on your My Account page.

Activate your data plan here with just one click.  Please bear in mind that if you do not activate your purchased data plan, your internet usage will be per MB and your credit could run out quickly.  You may wish to activate your data plan before your trip – and, if so, just bear in mind the timespan for which your data plan is valid.


TravelSim airtime/credit lasts one year (12 months) from your last recharge/top-up. Your eSIM card will stay “live” as long as you recharge/top up once a year.


You can add credit easily online at any time. You simply have to choose whether you would like to add some airtime or a data plan and make the payment (via credit card, PayPal or other payment methods). After successful payment, your airtime is added to your SIM card.

When you add a new data plan, please note that you still have to activate your data plan before the actual usage. Otherwise, you will use data per MB and your credit will run out more quickly.

Steps to add data plan.

  • Go to “My Account” area
  • Choose a data plan
  • Make payment
  • Activate the data plan here when you would like to start using it.

TravelSim eSIM works in over 200+ destinations all around the world.

Asia eSIM can be used only in Australia, Cambodia, China, Egypt, India, Indonesia, Japan, Macao, Malaysia, New Zealand, Philippines, Saudi Arabia, Singapore, South Korea, Taiwan, Thailand, United Arab Emirates.

However in many Asian countries, Asia eSIM has better price for data. We reccommend to choose your destination country and compare the pricing here

Asia eSIM data plans can´t be used  with international eSIM (also international eSIM data plans can´t be used with international eSIM).


TravelSim eSIM covers 170+ countries. You can see the full network list here.


Either is possible. Buy it right before you leave, or when you arrive at your destination. Whichever is most convenient for you. TravelSim data plans have different validities, and the validity period starts upon purchase. So, unless you’re traveling for over a month, you can buy it before you leave, and the validity will still cover your stay abroad.

If you haven’t purchased a plan before leaving, you can also buy your data plan when you arrive at your destination.


Please keep in mind that you have to switch the service provider to TravelSim when you start your travels. eSIM functionality enable you to use multiple carriers, so you have to make sure that you´ll switch on TravelSim before your travel.

We also recommend you to switch off the “allow Mobile Data Switching” – otherwise you would risk roaming on your local carrier.


Please note, that if you have installed eSIM into one device, you can´t install the same eSIM (use the same QR code) into another phone or device. You have to order a new eSIM for another device, even if you have deleted the eSIM from the first device.


No, you can´t use the same eSIM in another device (even if you have removed it from the first device).

If you would like to use eSIM in another phone or device, you´ll have to order a new eSIM from My Account area.