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The eSIM Europe Unlimited Data didn’t work in Serbia — while it worked fine in other EU countries (Switzerland, Austria, and Germany).
I opened a ticket a week ago and still haven’t received any help.
Avoid this company’s SIMs. If they fail, good luck getting help — you’ll end up buying a new one somewhere else.

Next I'd think twice before I use the cheapest option. I activated my SIM but wasn't able to use it. I tried everything that came to my mind for 2-3 hours and couldn't make it work.
The support couldn't provide me with a solution either, so I was without data all day. At the end of my trip, on my way back to Bulgaria, I gave it another try, just before I crossed the border, and it suddenly worked.
I got a message from the support on the next day with a suggestion and a possible solution, but it was too late, 'cause I was in Serbia only for a few hours and that's when I needed my data.
I'm definitely not happy with the experience.
Serbia currently offers more than 100 travel eSIM brands and over 3 400 prepaid data plans, giving travelers a wide variety of eSIM options to choose from.
A number of eSIM providers offer unlimited data plans that can be used in Serbia. For example, Firsty offers a free plan that includes ads and a maximum speed of 256 kbps. MicroEsim provides unlimited data for between $3.82 and $113.61 USD, supporting 4G, 5G and LTE, with tethering allowed but potential speed throttling. abesteSIM offers plans ranging from $4.44 to $123.30 USD, also 4G/LTE, with a 5 Mbps speed limit and possible throttling. Roamify’s unlimited plans are priced from $5.00 to $100.00 USD, support 4G/LTE, and allow tethering but may throttle speeds. Truely and Yoho Mobile have similar unlimited options, with Truely ranging $5.52 to $104.91 USD (3G/4G) and Yoho Mobile ranging $6.23 to $150.19 USD (4G) and a 5 Mbps speed limit. Yesim offers unlimited data from $8.13 to $78.93 USD, supporting 3G, LTE, and tethering with potential throttling. Airhub and MTX Connect provide short‑term unlimited plans at $9.70 USD (5 days, 4G/5G) and $58.04 USD (30 days) respectively. The lowest price for an unlimited plan is $0.00 with Firsty, while the highest listed price is $150.19 USD with Yoho Mobile. Travelers should check that the chosen provider’s network coverage applies in Serbia and consider the possible speed reductions before purchasing.
Telekom Srbija: "The largest telecommunications operator in Serbia, offering extensive mobile coverage and services."
Telenor Serbia: "A major mobile network provider known for its wide-reaching network and customer-focused services."
A1 Serbia: "A prominent telecommunications company providing comprehensive mobile services across the country."
In Serbia, Mobile Virtual Network Operators (MVNOs) offer mobile services by leasing access from major carriers. One example is Globaltel, a local MVNO. However, most travel eSIMs rely on the infrastructure of the primary Mobile Network Operators (MNOs) rather than MVNOs.
Travel eSIM plans that give a phone number and SMS capability while you are in Serbia are available. Providers that offer such plans include GlobaleSIM and Roamify. Both give you a prepaid international number—GlobaleSIM uses +1 numbers and enables inbound and outbound voice calls with inbound SMS only, while Roamify offers +1 or +33 numbers that support inbound and outbound voice and SMS. Prices for these plans range from about $4.50 to $105, with data caps between 1 GB and 20 GB and validity periods from 7 days to 365 days. Because the numbers come from foreign dialing codes, they are not local Serbian numbers; callers in Serbia will see a foreign country code.
Summarized by Gen AI. Last updated:







































































































