Cost Comparison
Sudan: Roaming Charges vs eSIM Prices, Carrier by Carrier (2026)
AT&T charges $10/day for Sudan roaming. Verizon charges $10/day. A travel eSIM on Zain SD's 4G LTE network costs $38.40 for 10 days — 62% less than either carrier. Below is every rate, side by side.
Roaming costs by carrier
Vodafone in Sudan
Plan
Roaming Passport
Daily rate
£6/day
7-day cost
£42
14-day cost
£84
Vodafone includes calls and texts in the £6/day Sudan pass, but SMS to non-UK numbers may carry per-message charges in some tariffs. Check the current rate card before sending group messages abroad.
EE in Sudan
Plan
Roam Abroad
Daily rate
£6/day
7-day cost
£42
14-day cost
£84
Voicemail retrieval on EE in Sudan is treated as an inbound call and can trigger the £6/day roaming pass on a day you hadn't planned to use data. Divert voicemail to a free app before departure.
AT&T in Sudan
Plan
International Day Pass
Daily rate
$10/day
7-day cost
$70
14-day cost
$140
In Sudan, AT&T connects to Zain SD towers at $10/day. An eSIM reaches the same towers from $7.68/GB.
Verizon in Sudan
Plan
TravelPass
Daily rate
$10/day
7-day cost
$70
14-day cost
$140
Verizon caps high-speed data at a daily threshold before throttling in Sudan. Once throttled, the $10/day charge continues. An eSIM at $7.68/GB delivers full-speed data up to the plan's GB ceiling with no hidden throttle.
eSIM costs by provider
Metered plans (1GB-20GB)
| Tier | Price | Per GB |
|---|---|---|
| 1GB | $8.64 | $8.64 |
| 3GB | $23.05 | $7.68 |
| 5GB | $38.40 | $7.68 |
Network access
eSIM plans in Sudan connect to Zain SD's 4G LTE network — the same towers that carrier roaming uses. Zain SD is the sole operator, so both roaming and eSIM deliver identical coverage.
Side-by-side comparison
7-day trip comparison
| Option | Cost | Data | Speed | Network |
|---|---|---|---|---|
| Vodafone | £42 | Fair-use | LTE | Zain SD |
| EE | £42 | Fair-use | LTE | Zain SD |
| AT&T | $70 | Plan data | LTE | Zain SD |
| Verizon | $70 | Plan data | LTE | Zain SD |
| eSIM (5GB) | $38.40 | 5GB | 4G LTE | Zain SD |
14-day trip comparison
| Option | Cost | Data | Speed | Network |
|---|---|---|---|---|
| Vodafone | £84 | Fair-use | LTE | Zain SD |
| EE | £84 | Fair-use | LTE | Zain SD |
| AT&T | $140 | Plan data | LTE | Zain SD |
| Verizon | $140 | Plan data | LTE | Zain SD |
| eSIM (5GB) | $38.40 | 5GB | 4G LTE | Zain SD |
Per-day rate breakdown
AT&T charges $10/day. A 5GB eSIM spread across 10 days costs $3.84/day — 2.6x cheaper on the same Zain SD 4G LTE network.
Hidden charges
Auto-enrollment and day-one billing
AT&T and Verizon roaming passes activate automatically when your phone connects to Zain SD's network in Sudan. Calendar-day billing means arriving at 11:30 PM and leaving before midnight the next day counts as two full day charges. A single background app refresh on landing triggers the first charge.
Speed throttling and data caps
T-Mobile's free international data runs at 256 Kbps — too slow for Google Maps, Instagram, or video calls. Xfinity Mobile caps high-speed data at 200 MB per day before throttling. AT&T and Verizon do not publish their throttling thresholds, but users report speed reductions on sustained high-bandwidth use.
Voicemail and background app charges
Checking voicemail abroad is treated as an inbound international call. If the day pass has not yet activated, that single voicemail retrieval triggers the full daily charge. Background app sync, push notifications, and automatic app updates all count toward data usage and can activate the daily pass without your knowledge.
Fair-use caps on UK carriers
Vodafone and EE apply unpublished fair-use data thresholds for Sudan roaming. Once exceeded, speeds drop to 2G-equivalent rates while the daily charge continues. The exact threshold depends on your home plan tier and is not disclosed on the rate card.
Carrier rate analysis for Sudan
AT&T International Day Pass
AT&T's roaming agreement for Sudan routes your data through Zain SD. This is the same network a travel eSIM connects to. AT&T pays Zain SD a wholesale rate and marks it up to $10/day at retail. eSIM providers use similar wholesale agreements and price at $7.68/GB. The markup is the product. AT&T's Day Pass sells network access that costs less through an eSIM. 10-day comparison: AT&T $100 vs eSIM $115.20 on identical Zain SD 4G LTE infrastructure.
Verizon TravelPass
Verizon TravelPass for Sudan: $10/day. The charge applies to each line on the account separately. A 7-day trip costs $70. A 10-day trip costs $100. TravelPass activates when your phone connects to Zain SD's network in Sudan. That connection happens automatically on landing, triggered by the phone scanning for a signal. A 15GB eSIM on Zain SD: $115.20. Savings: $-15.20.
T-Mobile International
T-Mobile's 256 Kbps free tier causes excessive battery drain in Sudan. Apps that expect faster connections retry failed requests repeatedly. Google Maps reloads tiles that timed out. Email clients re-fetch failed attachments. The constant retry cycle consumes more battery than full-speed data would. For a full day of travel, the 256 Kbps connection drains the battery 20-30% faster than a full-speed eSIM connection on Zain SD. The eSIM at $115.20 provides stable 4G LTE connectivity that apps handle without constant retries.
Vodafone Roaming Passport
Vodafone's roaming agreement for Sudan connects to Zain SD. A Vodafone customer on 4G LTE towers in Sudan uses the same infrastructure as a travel eSIM customer. Vodafone charges GBP6/day for that access. An eSIM charges $7.68/GB. Over 10 days: Vodafone GBP60 vs eSIM $115.20. The network path is identical. The billing is not.
EE Roam Abroad
EE does not require manual roaming activation for Sudan. Your phone connects to Zain SD the moment the plane lands. The GBP6/day charge applies from that first connection. To avoid: switch to airplane mode before landing. Activate the travel eSIM from the provider app. Set the eSIM as the primary data SIM. Only then disable airplane mode — the EE SIM stays active for calls while the eSIM at $115.20 handles all data on Zain SD.
Xfinity Mobile International Pass
Xfinity Mobile International Pass for Sudan: $10/day with a 200 MB daily high-speed cap. After 200 MB, data throttles to 2G-equivalent speeds for the rest of the calendar day. 200 MB covers roughly 4 hours of Google Maps navigation or 15 minutes of video calling. Most travelers exceed 200 MB before lunch. Over 10 days: $100 total, with throttled speeds most of each day. A 15GB eSIM at $115.20 provides the full data allocation at 4G LTE with no daily cap.
Three UK Go Roam
A UK family of four on Three visiting Sudan: 4 x £5/day x 10 = £200 ($254 USD). Four 15GB eSIMs: $460.80 (USD). Family savings in USD terms: roughly $-207 per trip.
MVNO roaming comparison
Visible (Verizon MVNO) does not include international roaming. Visible customers in Sudan have zero cellular data access unless they purchase a travel eSIM or buy a local SIM card. Unlike Verizon postpaid, Visible has no TravelPass equivalent. A 15GB eSIM at $115.20 on Zain SD's 4G LTE network is the recommended solution. Install before departure.
Rate summary
AT&T (International Day Pass): AT&T International Day Pass costs -13% more than an eSIM for Sudan.
Verizon (TravelPass): Verizon TravelPass costs -13% more than an eSIM for Sudan.
T-Mobile (Magenta (high-speed add-on)): T-Mobile's paid high-speed tier costs more than AT&T and more than an eSIM.
Vodafone (Roaming Passport): Vodafone rest-of-world rate exceeds eSIM cost for any trip over 1 day to Sudan.
EE (Roam Abroad): EE Roam Abroad costs more than an eSIM for Sudan at all trip lengths.
Bill shock scenarios
Scenario: you need an Uber from the international airport to your hotel in Sudan. The Uber app uses 5-10 MB to load, request a ride, and track the driver. On AT&T pay-per-use: $15.37 for one ride request. Google Maps navigation to verify the route: $46.12 for 15 minutes. Total for one airport transfer: $61.5. AT&T Day Pass: $10 covers unlimited rides for the day. eSIM on Zain SD: $115.20 covers 10 days of rides.
How to switch to an eSIM
Switching from Verizon TravelPass to an eSIM for Sudan: Step 1: Disable TravelPass before departure. In the My Verizon app, go to Account > Add-ons > TravelPass and remove it. This prevents the $10/day auto-charge. Step 2: Turn off data roaming in Settings > Connections > Mobile Networks > Data Roaming. Step 3: Install a 10GB eSIM for Sudan at $76.80 on Zain SD. Step 4: Set the eSIM as primary data. Keep Verizon active for calls via WiFi Calling. The eSIM provides 4G LTE data without triggering TravelPass on landing.
Is eSIM cheaper than roaming in Sudan?
A 5GB eSIM for Sudan runs $38.40 on Zain SD's 4G LTE network. AT&T International Day Pass charges $100 for 10 days using the same Zain SD towers. Switching from carrier roaming to eSIM saves $61.60 per device. Rates verified May 2026.
Should I use eSIM or roaming in Sudan?
An eSIM avoids the hidden costs of roaming in Sudan. Carrier roaming charges $10 per calendar day, triggered by background data sync the moment you land. An eSIM charges $38.40 flat for 5GB over 10 days on Zain SD. No per-day billing traps. Verified May 2026.
Does T-Mobile work in Sudan?
Yes, T-Mobile connects to Zain SD in Sudan, but free international data runs at 256 Kbps. That is 2G-equivalent speed. Upgrading to high-speed costs $15/day. A travel eSIM at $38.40 for 5GB provides full 4G LTE speed on the same Zain SD towers. Verified May 2026.
What is the best way to get data in Sudan?
A travel eSIM is the best data option for Sudan. Install by QR code before departure, activate on Zain SD's 4G LTE network at landing. Cost: $38.40 for 5GB over 10 days. Carrier roaming runs $100 on the same towers. Verified May 2026.
Our verdict for Sudan
When carrier roaming makes sense
Carrier roaming makes sense for 1-day layovers where the $10 charge is less than the effort of installing an eSIM. Travelers who need voice calling to local Sudan numbers may also prefer their carrier plan, since eSIM data plans do not include voice service.
When an eSIM wins
For any trip longer than 2 days, an eSIM saves money over carrier roaming in Sudan. Families and groups save even more because carrier charges multiply per person. Countries with airport SIM queues make eSIM especially valuable — install before departure, activate on landing.
Bottom line for Sudan
For a 10-day trip to Sudan, an eSIM saves $61.60 vs AT&T and delivers the same 4G LTE connection on Zain SD's network.
Sudan connectivity details
Local network infrastructure
Sudan has 1 mobile network. Primary carriers: Zain SD, MTN SD, Sudani. Both carrier roaming and eSIM connect to these same networks.
VPN and connectivity restrictions
VPN usage is restricted in Sudan. Check local regulations before connecting through a VPN.
Good to know
In Sudan, dial 999 for emergency services. Calling 112 may not connect on all networks. This number works on any active SIM or eSIM, including plans with exhausted data balances.
Good to know
Sudan classifies VPN use as restricted. Saily's eSIM plan includes NordVPN infrastructure — the VPN activates from the same app that manages your data plan.
Frequently asked questions
- Is roaming or eSIM better for Sudan?
- For trips longer than 2 days, an eSIM is cheaper than carrier roaming in Sudan. AT&T charges $10/day while an eSIM costs $38.40 total for a 10-day trip. Both use Zain SD's 4G LTE network — the only difference is the price.
- What hidden charges does AT&T have for Sudan roaming?
- AT&T's International Day Pass auto-activates when your phone connects to Zain SD's network in Sudan. Calendar-day billing means arriving at 11 PM costs a full $10. Background app sync, voicemail retrieval, and notifications can trigger the daily charge on days you intended to stay offline.
- Do eSIMs use the same network as carrier roaming in Sudan?
- Both eSIM and carrier roaming connect to Zain SD's 4G LTE towers in Sudan. The network, coverage area, and download speeds are identical. The difference is pricing: carriers charge $10-$15/day while eSIMs charge a flat rate for the entire trip.
- Is T-Mobile roaming really free in Sudan?
- T-Mobile Magenta includes free data in Sudan, but speed is throttled to 256 Kbps. That is too slow for maps, video calls, or photo uploads. The high-speed add-on costs $15/day — more expensive than most eSIM plans.
- Can I use eSIM and keep my carrier number in Sudan?
- Dual-SIM phones (most models since 2019) run both your carrier SIM and the travel eSIM simultaneously. Your home number stays active for calls and texts over WiFi. The eSIM handles all data on Zain SD's 4G LTE network in Sudan.
- What speed does carrier roaming get in Sudan?
- Carrier roaming in Sudan connects to Zain SD's 4G LTE network — the same towers and speeds that an eSIM uses. AT&T and Verizon offer LTE speeds through their day pass. T-Mobile's free tier is capped at 256 Kbps unless you pay for the high-speed add-on.
- Does Verizon auto-charge for roaming in Sudan?
- Verizon TravelPass activates automatically when your phone connects abroad in Sudan. A single background data transfer triggers the $10/day charge. The only way to avoid it is to disable data roaming in your phone settings before landing.
- How do UK carrier rates compare for Sudan?
- Vodafone and EE charge £6/day for Sudan roaming outside their EU free-roaming zone. That is roughly $7.50/day at current exchange rates. An eSIM on Zain SD's network costs $38.40 for the entire trip.
- How much does carrier roaming cost in Sudan?
- T-Mobile includes Sudan in its free international plan, but throttles every connection to 256 Kbps — one-eighth the speed of basic 2G. AT&T costs $10/day, Verizon costs $10/day. A travel eSIM on Zain SD at $8.64 for 1GB provides full 4G LTE — the same towers, none of the speed cap, and less money than either paid carrier option.
- Is T-Mobile's free international data fast enough in Sudan?
- No. T-Mobile caps free international data at 256 Kbps in Sudan — one-eighth the speed of basic 2G. At that rate, Google Maps takes 15+ seconds to load a single tile and will not work for navigation. Streaming video requires at least 1.5 Mbps; video calls need 2 Mbps. Basic WhatsApp text messages work, but anything else does not. T-Mobile's high-speed add-on for Sudan costs $15/day. A travel eSIM on Zain SD's 4G LTE network delivers full local speeds at $7.68/GB — cheaper per GB than the speed upgrade.
- How is my roaming bill calculated in Sudan?
- Your carrier uses one of two models. Per-day billing: AT&T charges $10 and Verizon charges $10 for each calendar day your phone connects in Sudan — even if you only check a notification at midnight. Per-MB billing: without a day pass, AT&T charges $2.05 per megabyte, which adds up to $2,099 per GB. Both models penalize casual background data usage. A travel eSIM uses flat-rate billing — you pay 1GB for $8.64 upfront, with no per-day activations and no per-MB overages. Once purchased, the cost is fixed regardless of usage patterns.
- How do I avoid roaming charges in Sudan?
- Turn off data roaming on your carrier SIM before you land in Sudan. Buy a travel eSIM from a provider like Zain SD starting at $7.68/GB and install it via QR code before departure. The eSIM handles all data on 4G LTE local networks while your carrier SIM stays active for calls and texts through WiFi Calling. This setup eliminates roaming charges entirely. Without these steps, AT&T charges $10/day and Verizon charges $10/day the moment your phone touches a Sudan tower.