Frequently Asked Questions

Yes, SecondSIM provides real UK mobile numbers that are categorized as non-VoIP, ensuring 100% success with WhatsApp and WhatsApp Business verification. Unlike virtual numbers, an eSIM provides a physical network connection which WhatsApp recognizes as legitimate.

Absolutely. Because SecondSIM operates on a real UK mobile network (not VoIP or a virtual app), all major banks (including Monzo, Starling, Barclays, and HSBC) recognize it as a legitimate mobile number and will successfully deliver SMS verification codes (OTPs).

Expats can use SecondSIM to maintain a real UK mobile number from anywhere in the world. As long as your device supports eSIM and Wi-Fi Calling, you can receive incoming SMS verification codes and calls globally without paying exorbitant roaming fees.

All plans include the exact same features (a real UK number, unlimited incoming SMS, guaranteed verification, and no contract). The only difference is the billing cycle and the discount applied. The quarterly plan saves you roughly 10% compared to monthly, and the yearly plan offers the maximum discount, saving you over 15%.

Yes. This is a 100% real, carrier-grade UK mobile number. It is not a VoIP (Voice over IP) or "virtual number" which are often blocked by services. It works exactly like a number from a major carrier, which is why it's trusted by banks, WhatsApp, and Google.

Yes. This eSIM will allow you to receive free inbound SMS abroad. Please note it is not designed for permanent roaming and works for scenarios when abroad to receive OTP.

Absolutely. You can purchase multiple eSIMs under a single primary account. This allows you to centrally manage billing and deployments. Once purchased, you can instantly email the activation QR code to your employee with one click from your dashboard.

By using SecondSim eSIMs, your employees can use their existing smartphones for work. This eliminates the need for expensive second handsets, reduces hardware logistics, and moves your mobile costs to a simple, predictable monthly or yearly subscription per seat.

Instantly. Your eSIM QR code is sent to your email immediately after payment. You can activate it within minutes.

No. We do not require personal ID or business documents. We prioritize your privacy.

Yes. Our numbers are genuine UK mobile numbers (non-VoIP), so they work with WhatsApp, Telegram, Monzo, Revolut, and PayPal.