Sielli eSIM (formerly Zeli eSIM) — Terms of Service
Effective date: August 29, 2026 · Last updated: 28 October 2026
1. Who we are
Sielli eSIM is an iOS app that lets you buy travel eSIM data plans, published on the App Store. It is operated by AntherSystems, a sole proprietorship of Adil Hamidi, 6 rue Marechal Leclerc, B415, 21000 Dijon, France ("we", "us").
By using Sielli eSIM, you agree to these Terms of Service. If you do not agree, please do not use the app.
2. The service
Sielli eSIM lets you browse travel eSIM data plans by country, purchase a plan, and install the resulting eSIM on your device. eSIMs are fulfilled by our provider, eSIM Access, and payments are processed by Stripe (Stripe Payments Europe).
3. Account
You can use Sielli eSIM with Sign in with Apple, with an email address (we send you a one-time code), or as a guest — buying without signing in, in which case we ask for an email address on the payment screen so we can send your receipt and install details. A guest account is anonymous; you can add Apple or an email to it afterwards. You are responsible for keeping your Apple ID and email account secure — anyone with access to them can access your Sielli eSIM account. You must provide accurate information and may not use the app for any unlawful purpose.
You can delete your account at any time from the Account tab in the app (Delete account). Deleting your account also deletes any store credit you hold.
4. Purchases and payment
Prices are shown in US dollars or euros, depending on your device's region, and you are charged in the currency shown at checkout. Payment is processed by Stripe, with Apple Pay or a card; we never see or store your card details. By purchasing a plan, you authorize the charge for the amount shown at checkout.
Store credit, gift codes and promotions. Store credit (for example from referrals, loyalty rewards or a redeemed gift code) is applied at checkout in the currency it was issued in. It has no cash value, cannot be withdrawn as cash, and always leaves a small minimum amount to be paid by card. A gift code is single-use and worth the amount paid for it. Promo codes are subject to the conditions shown with them.
Free trial. Where offered, a free trial eSIM is available in selected countries, once per account, and requires you to be signed in (not a guest). Its data allowance and validity are shown for each destination. A free trial has no price and cannot be refunded. If you do not install a free trial eSIM, we may cancel it after 14 days.
5. Delivery of eSIMs
Once payment succeeds, your eSIM is provisioned by eSIM Access and made available in the app for installation. Provisioning is not always instantaneous, and delivery times can vary depending on the provider.
An eSIM you install on your device keeps working even if you later delete your Sielli eSIM account — account deletion removes your data from our backend, not a profile already installed on your device.
6. Refunds
eSIM data plans are prepaid mobile data services supplied by local mobile network operators and activated on your device. Provisioning delivers the activation credential; the service itself is provided by the operator's network in your destination.
- Unused plans: you can request a refund in the app (Account → Order history → Request a refund) within 14 days of purchase. If the plan has not been used (no data consumed), the refund is approved automatically. The refunded eSIM may be deactivated.
- Plans that were never successfully provisioned are refunded in full automatically.
- Plans with data already used, and other cases (including a gift code that has already been redeemed) are reviewed by a person; we aim to reply within 2 business days. Email adil.hamidii123@gmail.com for anything outside the in-app window — we will review it case by case.
A refund returns the amount you paid by card to your original payment method (it usually appears within 5–10 days, depending on your bank). Any store credit you spent on the order is returned as store credit, not cash, and rewards earned on a refunded order are reversed. An unredeemed gift code that is refunded is cancelled.
7. Acceptable use
You agree not to:
- Use the app for any unlawful purpose or to violate any applicable law or regulation
- Attempt to circumvent, disable, or interfere with the app's security or normal operation
- Resell, redistribute, or commercially exploit eSIM plans purchased through Sielli eSIM without our written permission
- Use another person's Apple ID or payment method without authorization
We may suspend or terminate access for any account that violates these terms.
8. Network coverage — disclaimer of warranties
eSIM plans depend on local mobile network operators in each destination country. We do not control, and cannot guarantee, network coverage, signal quality, speed, or uptime in any location — these depend entirely on the local carriers our provider partners with.
The app and eSIM plans are provided "as is" and "as available," without warranties of any kind, express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, or non-infringement. We do not warrant that coverage will be available at all times or in all locations advertised.
9. Limitation of liability
To the maximum extent permitted by law, AntherSystems and Adil Hamidi shall not be liable for any indirect, incidental, special, consequential, or punitive damages, or any loss of data, connectivity, or business, arising from your use of Sielli eSIM or any eSIM plan purchased through it. Our total liability for any claim relating to the service is limited to the amount you paid for the plan giving rise to the claim.
Nothing in these terms limits liability that cannot be excluded under applicable law.
10. Termination
We may suspend or terminate your access to Sielli eSIM if you violate these terms. You may stop using the app and delete your account at any time. Provisions that by their nature should survive termination (including refund limitations, disclaimers, and liability limits) will survive.
11. Changes to these terms
We may update these terms from time to time. Material changes will be reflected by an updated effective date at the top of this page. Continued use of the app after a change constitutes acceptance of the updated terms.
12. Governing law
These terms are governed by the laws of France, without regard to conflict-of-law principles. Any dispute arising from these terms or your use of Sielli eSIM will be subject to the exclusive jurisdiction of the competent courts of France, unless applicable consumer-protection law gives you the right to bring a claim in your own country of residence.
13. Contact
Questions about these terms: adil.hamidii123@gmail.com
AntherSystems (Adil Hamidi), 6 rue Marechal Leclerc, B415, 21000 Dijon, France.
This document was prepared without legal counsel; consult a lawyer before relying on it.