Question 1

Which devices support eSIM?

Accepted Answer

Complete list of eSIM-compatible smartphones, tablets and laptops. Browse supported iPhone, iPad, Galaxy, Pixel, AQUOS, Xperia and Surface models, plus how to confirm that your device is unlocked for eSIM use.

Question 2

How to Check if Your iOS Device Supports eSIM

Accepted Answer

How to check whether your iPhone or iPad supports CORAL eSIM. Step-by-step instructions to verify the model number, confirm SIM lock status, and understand region-specific eSIM limitations.

Question 3

eSIM Installation Guide

Accepted Answer

Step-by-step guide to installing CORAL eSIM on iPhone and Android. Covers QR code scanning, line selection, automatic APN setup and turning on data roaming so your eSIM is ready before you travel abroad.

Question 4

Essential Setting After Installation: Turn On Data Roaming

Accepted Answer

After installing your eSIM, you must turn on data roaming to use mobile data abroad. Step-by-step instructions for iPhone and Android — enabling roaming on a CORAL eSIM does not incur extra charges.

Question 5

Can I use tethering (Internet sharing)?

Accepted Answer

How to use tethering (Personal Hotspot / Internet Sharing) with your CORAL eSIM. Step-by-step settings for iPhone and Android, APN configuration tips, and troubleshooting when the hotspot doesn't connect.

Question 6

eSIM Troubleshooting

Accepted Answer

Troubleshooting guide for when your CORAL eSIM has no connection abroad. Check data roaming, line switching, manual APN entry, SIM unlock status and device restart to quickly resolve common eSIM issues.

Question 7

When can I start using eSIM?

Accepted Answer

When does your eSIM start? Learn when the CORAL eSIM validity period begins, whether to install before departure or after arrival, and how validity period and total data allowance work together.

FAQ