4S eSim

4seSIM is a travel eSIM provider offering fixed-data eSIM plans covering 170+ countries with a mix of single-country plans, multi-country regional bundles, and global plans. eSIM installs via QR code scan on any eSIM-compatible smartphone (iPhone XS and later, Pixel 3 and later including Pixel 11, Samsung Galaxy S20 and later including Galaxy S26). 4seSIM is available in multiple markets including AU and US. Buy via 4sesim.com and activate ShopBack via the ShopBack 4seSIM merchant page to earn cashback on eligible purchases at the current published rate.

4seSIM does not run a traditional points-based loyalty programme. Instead, a 4seSIM account stores past purchases, saved payment methods, and enables faster repeat checkout. Referral programme rewards existing users with wallet credit or discount when a referred friend buys their first eSIM. Periodic first-purchase and repeat-purchase promo codes are offered via email. No elite tiers. Cross-check current referral and promo code eligibility on 4sesim.com. ShopBack cashback tracks on eligible purchases from the ShopBack 4seSIM merchant page regardless of loyalty account status.

4seSIM eSIM installs by scanning a QR code emailed after purchase. Installation takes 2-5 minutes in your phone's cellular settings (add cellular plan, scan QR, label profile, enable data). Validity typically starts at first data usage at destination or on a fixed date depending on plan. Fixed-data plans have a set cap (1GB / 3GB / 5GB / 10GB / 20GB); once cap is reached, data stops or throttles depending on plan. Hotspot and tethering is allowed on most plans. Unused data does not roll over. Cross-check the specific plan's cap, validity, and hotspot policy on 4sesim.com before purchase.

4seSIM runs periodic promotional windows tied to travel peaks. Notable windows include Spring Break travel prep (February to March), Summer Travel sale (May to July), Black Friday (November 27, 2026), Cyber Monday (November 30, 2026), Holiday Travel sale (December to January), and 10.10, 11.11, 12.12 flash promos. First-purchase discount codes for new accounts are typically available. Regional bundles (Europe, Asia) and long-duration (30-day) plans often go on sale ahead of Northern Hemisphere summer and winter holiday windows. Cross-check current sale windows on 4sesim.com.

4seSIM's refund policy typically allows refunds if the eSIM has not been installed or activated at the destination. Once the QR code is scanned and the profile is added to the device, refunds are generally not available (installed data cannot be reversed). Defective QR codes or plans that fail to connect at destination should be reported to 4seSIM customer service within the specified support window for a refund or replacement plan. Plan swaps or extensions are typically not offered mid-plan; buy a top-up plan if additional data is needed. Cross-check the specific refund window on the booking confirmation.

4seSIM and Airalo are both fixed-data travel eSIM providers. Airalo is the larger brand with broader country coverage and highest awareness. 4seSIM competes on pricing across single-country plans and select regional bundles. Both use similar QR-code installation and both are compatible with US iPhone, Pixel, and Samsung. Airalo has Discover platform with daily-updated deals; 4seSIM publishes fewer promotional windows. For a single destination, cross-check both on price per GB and validity length. Both are cashback-eligible via ShopBack where merchant pages are live.

4seSIM and Yoho Mobile are both fixed-data eSIM providers offering multi-country regional bundles. Yoho Mobile is known for competitively priced Europe (30-country) and Asia (12-country) bundles. 4seSIM competes on similar regional coverage but coverage list depth varies. For multi-country Europe or Asia trips, cross-check both providers' bundle price and country list. For single-country trips, cross-check both against Airalo. Both are cashback-eligible via ShopBack where merchant pages are live.

4seSIM works on all eSIM-compatible smartphones sold in the US: iPhone XS and later including iPhone 18 Pro (Sep 2026 launch), Google Pixel 3 and later including Pixel 11 (Aug 2026 launch), most Samsung Galaxy S20 and later including Galaxy S26 (Mar 2026 launch), and select Motorola, OnePlus, and Nothing phones. Verify eSIM compatibility on your specific model in your phone's cellular settings. Some carrier-locked US phones may block third-party eSIM installation; use an unlocked or SIM-unlocked phone. Cross-check phone compatibility before purchase.

4seSIM accepts major US credit and debit cards (Visa, Mastercard, Amex, Discover), PayPal, Apple Pay, and Google Pay for eSIM purchase. Payment is in USD by default when the account country is set to the United States, avoiding FX friction. No-foreign-transaction-fee cards do not affect USD purchases from a US-registered account. Account setup requires an email address; no SSN or US tax ID needed. Cross-check per-destination pricing before purchase.

Empty any pending 4seSIM purchase, then click through fresh from the ShopBack 4seSIM merchant page to 4sesim.com. Log in to or create your 4seSIM account, complete the eSIM purchase in the same browser session, and confirm the confirmation email. Avoid pasting unofficial third-party promo codes at checkout since they can break cashback tracking. Turn off ad-blockers during checkout. Cashback tracks on the paid purchase amount for eligible transactions. Rates and eligible transaction types vary; see the current published rate on the ShopBack 4seSIM merchant page.

Yes. Any refunded portion of your 4seSIM purchase is voided from the ShopBack cashback total. Once the eSIM QR code is scanned and profile installed, refunds are typically not offered. If a refund is granted for a defective QR code within 4seSIM's refund window, the pending cashback will not confirm on the refunded amount.