An honest look at 4S eSIM's real plans, pricing, and current discount code.
“Buy international travel eSIMs with instant activation and fast 4G/5G data in 200+ countries. No roaming fees, no shipping — connect online the moment you land.”
About 4S eSIM
10 of 12 facts confirmedStill researching: Founded · ID verification
- Headquarters
- Kowloon, Hong Kong
- Legal entity
- Wans Technology Limited
- Website
- 4s.net
- Refund policy
- Refund eligibility is reviewed case-by-case based on order/eSIM status and reason — no fixed window stated; contact support to request review.
- Validity starts
- Most plans start counting on first use, when the eSIM connects and begins using data (checked on your 4S service page).
- Fair-use limit
- Unlimited plans include a high-speed data quota for the full validity period; after it is used, speed drops to up to 1 Mbps until the plan expires.
- Top-ups & rollover
- Self-serve top-up (same destination/region only) adds high-speed data to the current plan and extends its validity by the top-up package's own validity period.
- Lost device / reinstalling
- Each eSIM QR/activation code can only be installed once; a deleted eSIM usually cannot be reinstalled with the same code — contact support for a replacement.
- Billing currency
- Checkout supports multiple currencies (USD, EUR, GBP, JPY, CNY and others via a currency selector); USD is the default.
- Support
- Email · Live chat · Help center
- Payment
- Google Pay · Alipay · Card · PayPal · Crypto
Facts verified on Sep 7, 2026 from 4S eSIM's own site
4S eSIMKart Score
How we rate 4S on the things that matter before you buy — computed Oct 22, 2026 from our own verified data.
- Trust card
- 34/40
- Price
- 10.8/15
- Coverage
- 9.9/10
- Data
- 7/10
- Discount code
- 8.4/10
- Plan variety
- 3.5/5
- Live deals
- 5/5
- Popularity
- 5/5
10/12 facts
72th percentile on price/GB
185 countries
feed, verified within 2 days
ESIMKART15 (-15%), exclusive
unlimited, regional, global
2 live
Why choose 4S
- Discount code ESIMKART15 takes 15% off at checkout
- Unlimited-data plans available
- Global bundles that cover 50+ countries on one eSIM
- Plans can be topped up without buying a new eSIM
Every point above comes from our own synced catalog and verified trust card, recomputed Oct 22, 2026.
A few things to know about 4S eSIM before you buy
- This provider's unlimited plans typically apply a fair-use speed cap after heavy daily use — check the plan details for the exact threshold before assuming truly uncapped speeds all month.
- Prices vary a lot by destination — the cheapest plan for Seychelles is $138.38, well above the roughly $2.24 this provider typically charges elsewhere.
Traveller reviews of 4S
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Reviews are written by visitors, email-verified and moderated by us for spam and abuse — not edited for opinion. They do not affect plan ordering.
Compare 4S with other providers
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Limited-time 4S eSIM deals
Looking for a specific country?
Jump straight to 4S eSIM's exact plans and pricing.
Popular destinations
The destinations visitors pick 4S for most (real visits, last 30 days)Albania
Bahrain
Afghanistan
Bangladesh
Belarus
Egypt
Africa
42 countries · from $1.35
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Algeria
Benin
Botswana
Burundi
Cameroon
Cape Verde
Chad
Côte d'Ivoire
DR Congo
Egypt
Ethiopia
Gabon
Ghana
Kenya
Lesotho
Libya
Madagascar
Malawi
Mali
Mauritania
Mauritius
Morocco
Mozambique
Niger
Nigeria
Republic of the Congo
Rwanda
Réunion
Senegal
Sierra Leone
South Africa
Sudan
Tanzania
Tunisia
Uganda
Zambia
Americas
45 countries · from $1.54
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Anguilla
Antigua & Barbuda
Argentina
Bahamas
Barbados
Belize
Bermuda
Bolivia
Brazil
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Chile
Colombia
Costa Rica
Cuba
Curaçao
Dominica
Dominican Republic
Ecuador
El Salvador
French Guiana
Grenada
Guadeloupe
Guatemala
Guyana
Honduras
Jamaica
Mexico
Montserrat
Nicaragua
Panama
Paraguay
Peru
Puerto Rico
St. Kitts & Nevis
St. Lucia
St. Vincent & Grenadines
Suriname
Trinidad & Tobago
Turks & Caicos Islands
United States
Uruguay
Venezuela
Asia
31 countries · from $1.29
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Afghanistan
Armenia
Azerbaijan
Bangladesh
Brunei
Cambodia
China
Georgia
Hong Kong
India
Indonesia
Japan
Kazakhstan
Kyrgyzstan
Laos
Macao
Malaysia
Maldives
Mongolia
Nepal
Pakistan
Philippines
Singapore
South Korea
Sri Lanka
Taiwan
Tajikistan
Thailand
Uzbekistan
Vietnam
Europe
47 countries · from $1.06
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Albania
Andorra
Austria
Belarus
Belgium
Bosnia & Herzegovina
Bulgaria
Croatia
Cyprus
Czech Republic
Denmark
Estonia
Faroe Islands
Finland
France
Germany
Gibraltar
Greece
Greenland
Hungary
Iceland
Ireland
Italy
Latvia
Liechtenstein
Lithuania
Luxembourg
Malta
Moldova
Monaco
Montenegro
Netherlands
North Macedonia
Norway
Poland
Portugal
Romania
Russia
Serbia
Slovakia
Slovenia
Spain
Sweden
Switzerland
Turkey
Ukraine
United Kingdom
Middle East
11 countries · from $1.35
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Bahrain
Iran
Iraq
Israel
Jordan
Kuwait
Oman
Palestine
Qatar
Saudi Arabia
United Arab Emirates
Oceania
9 countries · from $1.48
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Australia
Fiji
French Polynesia
Guam
New Zealand
Papua New Guinea
Samoa
Tonga
Vanuatu
Frequently asked questions about 4S eSIM
How many destinations does 4S eSIM cover?
4S eSIM currently lists 9,072 plans across 185 destinations on eSIMKart, starting from $1.06. Every price is pulled straight from the provider and re-checked automatically.
What is the cheapest 4S eSIM plan?
Right now 4S eSIM's cheapest plan on eSIMKart is 1GB for 1 day in Turkey at $1.06. Prices change often, so the list on this page always shows the current figure.
Does 4S eSIM have a discount code?
Yes — use code ESIMKART15 at 4S eSIM's own checkout.
Does 4S eSIM offer unlimited data plans?
Yes — 4S eSIM currently sells 2333 unlimited-data plans. The cheapest is a 1 day unlimited plan for Turkey at $1.95. Most unlimited plans apply a fair-use speed cap after heavy daily use, so check the terms.
What is 4S eSIM's refund policy?
Refund eligibility is reviewed case-by-case based on order/eSIM status and reason — no fixed window stated; contact support to request review.
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