Getting started

An eSIM is a digital SIM card built into your phone. Here's how it works, how it compares to a regular SIM, and why travelers use one.

Most phones from 2018 onward support eSIM. Dial *#06# to check, or look up your iPhone, Samsung, or Pixel below.

Install your Eflexsim eSIM on iPhone in under two minutes. Three methods — one-tap, QR scan, or manual codes — covered step by step.

Add your Eflexsim eSIM to a Samsung Galaxy, Google Pixel, or other Android phone. Step-by-step QR setup, manual entry, and per-manufacturer notes.

Dual SIM means two lines on one phone. eSIM is the digital format that makes it easy. Here's how the setups compare and which is best for travel.

Use your home SIM for calls and your eSIM for data, or flip it any time. Here's how to switch lines on iPhone and Android without losing either.

Install your Eflexsim eSIM on iPad Pro, iPad Air, or iPad Mini with cellular. Step-by-step setup, line management, and tablet-specific gotchas.

Install your Eflexsim eSIM on Pixel 6, 7, 8, or 9 in two minutes. QR setup, eSIM Transfer, manual entry, and Pixel-specific tips.

Install your Eflexsim eSIM on Samsung Galaxy S22, S23, S24, S25, Note, or Z Flip/Fold. Step-by-step QR scan, manual setup, and Galaxy-specific tips.

Yes — most modern phones can hold 5-10 eSIM profiles at once. Here's how many your phone supports, when to keep multiple installed, and when to delete.

Dial *#06# on your phone to see your IMEI and EID. Here's what each number means, where else to find them, and when you'll be asked for them.

Travel eSIMs don't currently install on Apple Watch or Galaxy Watch. Here's why, what works instead, and when smartwatch support might arrive.

A carrier-locked phone blocks third-party eSIMs from installing. Here's how to verify your phone is unlocked on iPhone and Android before you buy.

For most travelers, a travel eSIM is 60-80% cheaper than your home carrier's roaming. Here's the math, the exceptions, and how to decide.

The EID is a 32-digit ID number for the embedded SIM chip in your phone. Here's what it is, how to find it, and the rare times you'll be asked for it.