ZenSim eSIM Data Plans for Serbia

ZenSim does not provide a truly unlimited data eSIM for Serbia. The plans that carry the “Unlimited” label actually allow 3GB of high‑speed data per day; once the daily limit is reached the data speed is reduced, although the exact reduced speed is not listed.

If unlimited usage is required, ZenSim offers fixed data plans instead. For example, a 20GB plan can be purchased for either 10 or 30 days, and a 10GB plan is available for 10 days. These plans are listed as representative alternatives and are only a subset of the available options; they may be more cost‑effective for travelers who need a large amount of data.

ZenSim does not offer a Serbia eSIM that includes a phone number or SMS capability. All plans sold by ZenSim for Serbia are data‑only, with no inbound or outbound voice or text services.

Travelers can still use popular messaging and calling apps such as WhatsApp, Telegram, or iMessage over the data connection to communicate normally.

ZenSim provides eight single‑country data plans for travelers visiting Serbia. These plans vary from 3 GB to 20 GB of data and range in price from $17.00 to $68.00, with validity periods between 10 and 30 days. Some of the offerings include a daily data cap option, while others are fixed‑data packages; options that allow tethering are also available.