113+ phoneswork with Fuse.

Look up your model on this page — every entry has a clear 'eSIM supported' or 'not supported' verdict. As a rule of thumb: every iPhone from iPhone XS (2018) onwards, Samsung Galaxy from S20, Google Pixel from Pixel 3, and most flagships from 2020 onwards. iPhones sold in the US from iPhone 14 are eSIM-only.

Yes — every eSIM-capable phone supports dual-SIM (one physical SIM + one eSIM, or two eSIMs). Keep your existing carrier for calls and SMS on your current number; add Fuse as a second eSIM dedicated to data. Both lines work simultaneously.

Fuse is eSIM-only — there's no physical SIM option. If your phone doesn't support eSIM (typically pre-2018 iPhones or pre-2020 Androids), you'd need to upgrade to a more recent device to use Fuse.

Around 2-3 minutes once your activation email arrives. iPhone: Settings → Cellular → Add eSIM → Use QR Code, scan the QR, label the line "Fuse", set as data line. Android setup varies slightly by brand — the device page for your specific model has step-by-step instructions.

Yes. When you upgrade phones, sign in to your Fuse account, request a new activation QR, and install it on the new device. Your plan and remaining data allowance stay the same.