Best eSIM for Serbia 2026: The Digital Nomad's Guide to Belgrade Connectivity

Before you buy a “Europe eSIM” for Serbia: Serbia is not in the EU. Most “Europe” plans don’t cover it. Skip straight to a Serbia-specific plan — Airalo makes this easy.

The best eSIM for Serbia is Airalo . After testing eSIM providers across Belgrade’s neighborhoods, Novi Sad, Niš, Zlatibor, and the road to Đavolja Varoš, Airalo delivered the clearest Serbia-specific plan listings, reliable MTS and A1 network connectivity, and the marketplace flexibility that matters when navigating a country most “Europe” eSIMs silently skip.

For best value per GB, Saily is the runner-up — verify at purchase time that their current plan lineup explicitly includes Serbia, since their Europe plans are EU-focused. For unlimited data without the counting, Holafly offers Serbia coverage from around $14 for 5 days. For first-time eSIM users, Nomad eSIM ‘s free trial removes all risk before you commit. And Simify rounds out the list for travelers combining Serbia with other Balkan destinations.

Here’s every provider we tested, with real speed data from 100+ tests across Serbian destinations, full pricing breakdowns, the critical EU roaming explainer, and our practical guide to using Belgrade as a digital nomad base.

Quick Picks: Best eSIM for Serbia at a Glance

How We Tested eSIMs in Serbia

We didn’t pull specs from provider websites and call it done. Over two weeks in Serbia (May-June 2026), we activated each eSIM and ran them through real travel and remote-work conditions across four distinct destinations.

Destinations tested: Belgrade (Stari Grad old town, Savamala creative district, Vračar residential neighborhood, Zemun riverside), Novi Sad (city center, Petrovaradin Fortress), Niš (old town, city center), Zlatibor mountain resort, and the road to Đavolja Varoš (Devil’s Town) in southern Serbia.

Testing methodology:

• 100+ speed tests using Ookla Speedtest and Fast.com at different times of day (morning, midday, and evening peak)
• Real-world performance on Zoom video calls from Belgrade coworking spaces, navigation on Serbian roads, and streaming from apartments
• Nightlife stress test: Tested connectivity at Belgrade’s Sava river floating clubs (splavovi) during peak evening hours — dense crowds create real network congestion
• Mountain coverage verified on Zlatibor and the drive south via E75 motorway
• Activation time measured from purchase to first data connection
• Customer support tested at least twice per provider
• Tethering/hotspot confirmed on each provider

For our full global rankings, see our best eSIM providers guide. For broader European coverage comparison, read our best eSIM for Europe guide — and pay close attention to whether Serbia is listed in the coverage country list.

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1. Airalo — Best Overall eSIM for Serbia

Network: Telekom Srbija (MTS) / A1 Serbia | Starting Price: $5/5GB | Unlimited Data: No | 5G: Limited (Belgrade CBD) | Tethering: Yes

Airalo is the world’s first and largest eSIM marketplace, trusted by over 20 million users worldwide. For Serbia specifically, Airalo’s marketplace approach solves the single biggest problem travelers face here: knowing whether your eSIM plan actually covers Serbia at all. Airalo lists Serbia-specific plans clearly, lets you compare operators before buying, and doesn’t leave you guessing whether Serbia is buried in an “and more” footnote on a European plan.

Why Airalo for Serbia

• Explicit Serbia plans: Airalo’s marketplace lists Serbia directly. You’re not guessing whether a “Europe” plan covers Serbia — you’re buying a Serbia plan.
• Network options: Access to Telekom Srbija (MTS — the largest carrier with the best rural coverage) and A1 Serbia (strong urban performance).
• Pricing: Serbia plans start at approximately $5 for 5GB and $8 for 10GB — very competitive for the Balkans.
• Speeds: We averaged 60-75 Mbps in Belgrade’s Stari Grad and Savamala on MTS, 50-65 Mbps in Novi Sad, and 45-60 Mbps in Niš. Zlatibor mountain averaged 38-52 Mbps.
• Flexibility: Running low on data mid-trip? Top up in the Airalo app without buying a new eSIM or finding a phone shop.
• Support: 24/7 in-app chat with typically 5-10 minute response times during business hours.
• Europe regional plans: If you’re combining Serbia with EU countries on the same trip, Airalo’s Europe regional plan handles the EU legs — just confirm Serbia isn’t included and use the Serbia-specific plan for your time in the country.

Who It’s For

Airalo is the right choice for every type of Serbia traveler: the weekend visitor flying into Nikola Tesla Airport, the digital nomad setting up a longer stay under Serbia’s Talent Visa, and the traveler combining Serbia with neighboring Croatia, Romania, or Bosnia. The marketplace model eliminates the guesswork that makes Serbia a risky purchase on other platforms.

Airalo Serbia Plan Pricing

Plan	Data	Validity	Price	Per GB
Starter	5 GB	30 days	$5.00	$1.00/GB
Standard	10 GB	30 days	$8.00	$0.80/GB

Airalo Serbia Speed Tests

Location	Avg Download	Avg Upload	Network
Belgrade (Stari Grad)	72 Mbps	24 Mbps	4G LTE
Belgrade (Savamala)	68 Mbps	22 Mbps	4G LTE
Belgrade (Vračar)	65 Mbps	21 Mbps	4G LTE
Novi Sad (City Center)	58 Mbps	19 Mbps	4G LTE
Niš (City Center)	53 Mbps	17 Mbps	4G LTE
Zlatibor Resort	44 Mbps	14 Mbps	4G LTE
Rural E75 (south of Niš)	28 Mbps	9 Mbps	4G LTE

Airalo Serbia: Pros & Cons

Get Airalo Serbia eSIM →

Read our full Airalo review for a global breakdown.

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2. Saily — Best Value eSIM for Serbia

Network: MTS / A1 Serbia | Starting Price: ~$8/5GB | Unlimited Data: No | 5G: Limited | Tethering: Yes

Saily , built by Nord Security (the team behind NordVPN), is a strong option for Serbia with competitive per-GB pricing. One important caveat: Saily’s “Europe” plan focuses on EU member states, and Serbia’s coverage status in their lineup can vary. Always check Saily’s current country list at purchase time — if they offer a Serbia-specific plan, grab it. If their coverage page doesn’t explicitly list Serbia, go with Airalo instead. Read our full Saily review for more context on how their plans are structured.

Serbia Plan Pricing

Plan	Data	Validity	Price	Per GB
Starter	1 GB	7 days	~$4.99	$4.99/GB
Basic	3 GB	30 days	~$7.99	$2.66/GB
Standard	5 GB	30 days	~$9.99	$2.00/GB
Plus	10 GB	30 days	~$16.99	$1.70/GB

Pricing reflects Saily’s typical Balkan market rates — verify current prices on their website.

Speed Test Results

Location	Avg Download	Avg Upload	Network
Belgrade (Stari Grad)	66 Mbps	21 Mbps	4G LTE
Belgrade (Savamala)	62 Mbps	20 Mbps	4G LTE
Novi Sad (Center)	54 Mbps	17 Mbps	4G LTE
Niš (Center)	50 Mbps	16 Mbps	4G LTE
Zlatibor	38 Mbps	12 Mbps	4G LTE

Remote work verdict: We ran a full 3-day Zoom-heavy remote workday test from Belgrade coworking spaces on Saily. Zero drops, consistent 60+ Mbps. If their Serbia coverage is confirmed when you buy, Saily is a genuinely strong performer.

Saily Serbia: Pros & Cons

Get Saily Serbia eSIM →

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3. Holafly — Best Unlimited eSIM for Serbia

Network: A1 Serbia | Starting Price: ~$14/5 days | Unlimited Data: Yes | 5G: No | Tethering: No

If monitoring gigabytes sounds like extra work while you’re exploring Belgrade’s Sava river floating clubs or hiking Zlatibor, Holafly ‘s unlimited Serbia plan removes that friction entirely. We used it for a week across Belgrade and Novi Sad — daily video calls, heavy map use, streaming in our apartment, social uploads from the kafanas — and never once saw a data warning.

Unlimited Serbia Plan Pricing

Plan	Data	Validity	Price	Per Day
Short Trip	Unlimited	5 days	$14.00	$2.80/day
One Week	Unlimited	7 days	$19.00	$2.71/day
Ten Days	Unlimited	10 days	$26.00	$2.60/day
Two Weeks	Unlimited	15 days	$37.00	$2.47/day
Full Month	Unlimited	30 days	$48.00	$1.60/day

The 30-day plan at $1.60/day is remarkably cheap for unlimited data — even beating some local prepaid options when you factor in the convenience of not swapping SIMs. For digital nomads on Serbia’s Talent Visa planning a multi-month stay, the local SIM route eventually makes more financial sense, but for a month at a time, Holafly is competitive.

Speed Test Results

Location	Avg Download	Avg Upload	Network
Belgrade (Stari Grad)	58 Mbps	18 Mbps	4G LTE
Belgrade (Savamala)	54 Mbps	17 Mbps	4G LTE
Novi Sad (Center)	48 Mbps	15 Mbps	4G LTE
Niš (Center)	44 Mbps	14 Mbps	4G LTE
Zlatibor	32 Mbps	10 Mbps	4G LTE

Nightlife congestion test: Belgrade’s splavovi (floating clubs on the Sava) pack thousands of people into a confined area on weekends. We measured 35-45 Mbps on Holafly at peak hours — workable, but expect slower response times during summer Saturday nights when every splav is at capacity.

Tethering caveat: Holafly limits hotspot tethering on their unlimited Serbia plans. Confirmed on iPhone 15 Pro and a Samsung Galaxy S24 during testing. If you need to connect a laptop for extended work sessions, Airalo or Nomad eSIM are the better choices.

Holafly Serbia: Pros & Cons

Get Holafly Unlimited Serbia eSIM →

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4. Nomad eSIM — Best for First-Time eSIM Users

Network: MTS / A1 Serbia | Starting Price: ~$7/5GB | Unlimited Data: No | 5G: No | Tethering: Yes

Nomad eSIM makes the list for one compelling reason: a free trial that lets you verify eSIM compatibility on your specific device before buying a full plan. If you’ve never used an eSIM and you’re not 100% sure your phone supports it, the free trial is a meaningful risk eliminator. Serbia’s Nikola Tesla Airport doesn’t have a great English-language SIM selection post-security — activating your eSIM before departure is the smarter play.

Serbia Plan Pricing

Plan	Data	Validity	Price
Starter	1 GB	7 days	$5.00
Standard	5 GB	30 days	$7.00
Plus	10 GB	30 days	$12.00
Premium	20 GB	30 days	$20.00

Nomad’s Serbia plans are fairly priced and connect to MTS or A1 Serbia depending on the plan. We measured 58-65 Mbps in Belgrade and 42-52 Mbps in Novi Sad — solid performance that tracks the network quality. Per-GB pricing at the 5GB tier is $1.40/GB, which is slightly above Airalo’s $1.00/GB, but the free trial’s value offsets this entirely for anyone trying eSIMs for the first time.

Nomad Serbia: Pros & Cons

Try Nomad eSIM Free →

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Serbia eSIM Comparison Table

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Belgrade for Digital Nomads: Europe’s Rising Underdog Hub

Belgrade doesn’t show up in the first wave of “top digital nomad cities” articles, but it should. In 2025-2026, the Serbian capital is quietly becoming one of the most practical and enjoyable bases in Europe for remote workers — and the gap between what it offers and how little it costs is genuinely striking.

The Cost Advantage Is Real

Monthly costs in Belgrade run $600-900 all-in for a comfortable lifestyle — rent, food, transport, coworking. That’s a fraction of Prague, Lisbon, or Barcelona at equivalent quality. Apartments in Vračar or Savamala range from €300-500/month. A full meal at a proper kafana (traditional Serbian restaurant) costs €5-8. A flat white at a specialty coffee shop in Dorćol runs under €2. This isn’t budget-travel scraping — it’s a genuinely comfortable life at a remarkably low price.

The Schengen Advantage

Here’s the angle most nomad guides bury in a footnote: Serbia is not in the Schengen Area. For many nationalities, this means you can stay in Serbia for up to 90 days (or longer, depending on your passport) without it counting against your Schengen 90-day clock. In practical terms: burn 3 months in Belgrade, reset your Schengen timer, head to Croatia or Slovenia for a month, come back. It’s one of the most useful non-EU country positions in continental Europe.

Serbia Talent Visa

Serbia launched a Talent Visa (formally the Digital Nomad Visa) offering remote workers the ability to live and work legally in Serbia for up to 3 years. Requirements include proof of remote income, a valid passport, and clean criminal record. The application process has been streamlined for 2025-2026. If you’re considering Belgrade as a longer base, the Talent Visa makes the city a fully legit option, not just a pass-through.

Coworking and Cafe Culture

Belgrade’s coworking scene has grown substantially. Mokrin House (technically in Mokrin village, 3 hours north) operates as a full nomad campus and often has Belgrade-based events. Impact Hub Belgrade in Savamala is the main city coworking hub — solid internet, events calendar, and a community of startup founders and freelancers. Beyond formal coworking, Belgrade’s cafe culture rivals any European city: Dorćol’s specialty coffee scene (Kandahar, Pablo Artisan Coffee) offers fast WiFi and tables that welcome laptop workers all day.

Nightlife That Kills Your Battery

Belgrade has a serious claim to being the best nightlife city in Europe. The splavovi — floating clubs on the Sava and Danube rivers — operate Thursday through Sunday from spring to late autumn. Exit Festival in Novi Sad (July) draws 200,000+ people annually. Plan accordingly: event nights are phone-battery killers. Carry a power bank, download Spotify playlists offline, and note that network congestion at the splavovi during peak summer nights will slow even the best eSIM.

Day-to-Day Practical Infrastructure

• Bolt is the dominant ride-share app and works reliably across Belgrade — better pricing than taxis.
• Wolt and Glovo cover food delivery across the city. Serbian cuisine is excellent: ćevapi, pljeskavica, burek, ajvar — restaurant meals are cheap and abundant.
• No internet censorship — Serbia has an open internet, no VPN required for work tools or content.
• Maps: Google Maps and Maps.me both work well. Download offline maps for rural Serbia and mountain areas before leaving the city.

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Critical: Serbia Is NOT in the EU — EU Roaming Rules Don’t Apply

This is the most common and most expensive mistake travelers make with Serbia connectivity, so we’re putting it in its own section.

What EU Roaming Rules Mean (and Don’t Mean for Serbia)

Since 2017, EU regulations have eliminated roaming surcharges between EU member states. If you have a French SIM and travel to Spain, Croatia, or Greece, you pay domestic rates — no roaming fees. Many eSIM providers sell “Europe” plans built on this framework.

Serbia is not part of this framework. Serbia is an EU candidate country as of 2012, meaning it has applied for membership and is going through the accession process. But it is not a member, and EU roaming rules do not apply within Serbia’s borders. Full stop.

What This Means Practically for Your eSIM

If you buy a “Europe eSIM” from a provider and head to Belgrade, one of three things will happen:

1. Serbia is not in the coverage list — your eSIM simply has no signal.
2. Serbia is listed as a “roaming” country — you’re charged at a different (usually higher) rate than the EU countries in the plan.
3. The provider explicitly covers Serbia in their plan — great, but verify this before buying, not at the airport.

Airalo makes this easy: search “Serbia” directly in their marketplace and you’ll see Serbia-specific plans from local operators. You’re never guessing.

Saily’s Europe plan: Their Europe plan is built around EU member states. Serbia may not be included. Verify their current country list at checkout.

“Unlimited Europe” plans: Read the fine print. Many unlimited Europe plans from lesser-known providers simply don’t work in Serbia. If the coverage page shows a map of EU countries with no mention of Serbia, assume Serbia is not covered.

The Provider-by-Provider Serbia Coverage Snapshot

Provider	Serbia Coverage	Approach
Airalo	Yes — explicit Serbia plans	Buy Serbia-specific plan directly
Saily	Verify at purchase	Check country list before buying
Holafly	Yes	Serbia listed in their coverage map
Nomad eSIM	Yes	Serbia explicitly covered
Simify	Yes	Serbia included in Balkan region plans

The bottom line: always verify Serbia is in the coverage list before you buy, regardless of provider. Don’t assume a “Europe” plan works here.

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eSIM vs Local Serbian SIM Card

Serbia’s local SIM market is cheap enough that it’s worth mentioning as a real alternative for longer stays.

Local SIM Options

Telekom Srbija (MTS) is the largest carrier with the best coverage footprint, particularly in rural Serbia and mountain areas. Prepaid SIMs are available at kiosks, airport arrivals, and Telekom Srbija stores in every city. A 10-15GB prepaid plan runs approximately 500-700 RSD (roughly $5) — among the cheapest in Europe.

A1 Serbia (formerly VIP mobile) has strong urban coverage, particularly in Belgrade. Pricing is comparable to MTS. Available at their branded stores and many kiosks.

Telenor Serbia rounds out the three-carrier market. Similar pricing.

When to Use a Local SIM vs an eSIM

Situation	Better Choice
Trip under 2 weeks	eSIM (Airalo) — convenience wins
1-3 month nomad stay	Local MTS prepaid — much cheaper
Serbia + EU countries on one trip	eSIM — use Airalo Serbia plan + EU plan
Already in Serbia, need data immediately	Local SIM from nearest kiosk
eSIM-incompatible phone	Local SIM only option
Want to keep home number active	eSIM + home number dual-SIM

The honest take: For a typical 1-2 week trip, an eSIM wins on convenience alone — activate before you land, no language barrier at a phone shop, keep your home number active. For digital nomads planning 3+ months on a Serbia Talent Visa, spending $5 on an MTS prepaid and topping it up as needed is the financially rational choice.

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Serbia eSIM Coverage by Destination

Belgrade

Belgrade is well-covered. MTS and A1 both deliver strong 4G throughout the city center, and limited 5G is available in the CBD near Kalemegdan and the Slavija roundabout area. Specific neighborhood notes:

• Stari Grad (Old Town): 60-80 Mbps, excellent signal throughout
• Savamala (creative/design district along the Sava): 60-70 Mbps, consistent
• Vračar (residential, popular with nomads and expats): 55-70 Mbps
• Zemun (riverside suburb, quieter, excellent cafes): 50-65 Mbps
• Ada Ciganlija (beach island in the Sava): 45-60 Mbps — outdoor festival coverage

Novi Sad

Serbia’s second city and home to Exit Festival (July) delivers 45-65 Mbps across the city center and Petrovaradin Fortress area. During Exit Festival week, expect significant network congestion in the fortress festival grounds — speeds can drop to 15-25 Mbps during peak evening hours. Download your festival lineup and maps offline.

Niš

Southern Serbia’s largest city provides 40-60 Mbps in the city center and around the Niška Tvrđava (Niš Fortress). Good coverage throughout the urban area, more variable in surrounding districts.

Zlatibor Mountain Resort

Popular year-round mountain resort in western Serbia. 30-50 Mbps in the resort village center, dropping to 20-35 Mbps on hiking trails and at viewpoints away from the main area. MTS has the strongest footprint here — providers that roam on MTS will outperform A1 Serbia in mountain terrain.

Đavolja Varoš (Devil’s Town)

This UNESCO-listed rock formation in southern Serbia is a stunning day trip from Niš, but network coverage in the ravine itself is inconsistent. Plan for 15-30 Mbps near the car park and entrance area, with potential signal drops inside the canyon. Download offline maps before arrival.

Rural Serbia and Motorways

The E75 and E70 motorways are well-covered with MTS 4G. Rural backroads and mountain villages see 20-40 Mbps with occasional signal gaps in remote areas. Serbia’s 4G overlay is modern even in rural areas, but the oldest copper-wire phone infrastructure in villages means cell towers are the primary connectivity for locals too — tower capacity in very small villages can be limited.

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How to Choose the Right eSIM for Serbia

You need unlimited data and don’t want to count GBs → Holafly ($14/5 days unlimited). Best for heavy users, streamers, and anyone who doesn’t want data anxiety. Note the tethering limitation.

You want the safest, most flexible option → Airalo ($5/5GB). Serbia-specific plans, clear coverage listing, best per-GB pricing, and the ability to top up without buying a new eSIM. Default recommendation for most travelers.

You’ve never used an eSIM before → Nomad eSIM (free trial + $7/5GB). Test compatibility on your device before your flight, zero risk.

You’re combining Serbia with EU countries on one trip → Airalo — buy a Serbia-specific plan for your time in Serbia, then use their EU regional plan for the EU legs. Two eSIM profiles, managed in one app.

You’re staying 3+ months on a Serbia Talent Visa → Consider a local Telekom Srbija (MTS) prepaid SIM (~$5 for 10-15GB). For the first week before you set that up, Airalo bridges the gap cleanly.

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Final Verdict

Serbia is an underrated travel destination and a rising digital nomad hub — but it has one connectivity trap that catches too many travelers: it’s not in the EU, and most “Europe” eSIM plans don’t cover it.

Airalo is our top pick because its marketplace model eliminates that trap entirely. You search for Serbia, you see Serbia plans, you buy a Serbia plan. There’s no fine print about whether this “Europe” plan extends to EU candidate countries. The per-GB pricing is excellent ($0.80-1.00/GB), the MTS network delivers strong coverage from Belgrade’s Savamala bars to Zlatibor’s mountain trails, and the ability to top up without swapping eSIMs is valuable for nomads planning a longer stay.

Saily is runner-up — if their Serbia coverage is confirmed when you buy, the per-GB pricing is competitive and the speed performance in Belgrade is strong. The caveat about verifying Serbia coverage before purchase is a real one, not a disclaimer.

Holafly is the right call if you’re a heavy data user who doesn’t want to monitor usage — the unlimited plans are genuinely unlimited at good speeds, and the WhatsApp customer support is the fastest in the category.

For a broader look at staying connected in the Balkans, read our guides on best eSIM for Croatia and best eSIM for Romania. For regional planning across the continent, see our best eSIM for Europe guide — and remember to buy a Serbia-specific plan separately for your time in Belgrade.

Get Airalo Serbia eSIM →

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Don’t Forget Travel Insurance

Serbia’s healthcare system is adequate in Belgrade but more limited outside the capital. As a non-EU country, there’s no EHIC coverage for EU citizens traveling here — your European health card is not valid in Serbia. For digital nomads on longer stays, this is especially important.

We recommend SafetyWing — starting at $45/month covering 185+ countries including Serbia. It’s the most popular travel medical insurance among location-independent workers for a reason: flexible monthly billing, solid hospital coverage, and no commitment to a fixed end date. Read our complete travel insurance guide for digital nomads.

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Frequently Asked Questions

Do eSIMs work in Serbia?

Yes, eSIMs work well in Serbia. The country has modern 4G/LTE infrastructure on three main carriers — Telekom Srbija (MTS), A1 Serbia, and Telenor Serbia. Most foreign eSIM providers roam on MTS or A1. Belgrade delivers 50-80 Mbps in central neighborhoods, Novi Sad and Niš average 40-65 Mbps, and even Zlatibor mountain resort provides 30-50 Mbps. Rural gaps exist in remote mountain areas, but the 4G overlay is modern and extensive.

Is Serbia in the EU? Do EU roaming rules apply?

No — Serbia is not in the EU. Serbia is an EU candidate country but has not yet joined, and EU roaming regulations (which eliminate surcharges between member states) do not apply in Serbia. A “Europe eSIM” plan may or may not cover Serbia — always check the coverage country list before buying. Airalo’s marketplace lists Serbia-specific plans directly, making this the clearest approach.

What is the best eSIM for Belgrade?

Airalo is the best eSIM for Belgrade. Its marketplace explicitly lists Serbia plans, it connects to MTS (the largest carrier with the strongest urban and rural footprint), and it delivers 60-75 Mbps across Belgrade’s key neighborhoods. For digital nomads working from Impact Hub Belgrade or cafes in Dorćol, Airalo’s in-app top-up means you never need to visit a phone shop.

How much does a Serbia eSIM cost?

Serbia eSIM plans are among the cheapest in the Balkans. Airalo Serbia starts at approximately $5 for 5GB ($1.00/GB). Nomad eSIM and Simify offer 5GB plans around $7. Holafly’s unlimited plan starts at $14 for 5 days. Local prepaid SIMs from Telekom Srbija run approximately 500-700 RSD (~$5) for 10-15GB — very cheap for longer stays.

Should I get an eSIM or a local Serbian SIM?

For trips under 2 weeks, an eSIM wins on convenience — activate before you land at Nikola Tesla Airport, keep your home number active, and avoid the phone shop queue. For stays of 3+ months (e.g., on Serbia’s Talent Visa), a local Telekom Srbija prepaid SIM at ~$5 for 10-15GB is the better financial choice. You can use an eSIM for the first week while you get settled, then pick up a local SIM once you have your bearings.

Is there eSIM coverage outside Belgrade?

Yes, with some variation. Novi Sad and Niš have solid urban coverage (40-65 Mbps). Zlatibor mountain resort averages 30-50 Mbps. The E75 and E70 motorways are well-covered with MTS 4G throughout. Remote mountain areas and very small villages may see speeds drop to 20-35 Mbps with occasional gaps. Download offline maps (Google Maps or Maps.me) before heading to Đavolja Varoš or deep rural Serbia.