Blog posts

A common challenge is that many people only find out their phone is operator-locked after purchasing an eSIM. This information simply does not appear on your smartphone's main screen and needs to be checked manually in the settings.

Data-only eSIMs offer internet access but no voice calls. So how do you call a hotel or taxi without voice service? Use Viber Out — here’s a simple way to do it.

This Black Friday, staying connected while traveling has never been more affordable! TooSIM is offering an exclusive 15% discount on travel eSIMs

Most issues are related to trying eSIM for the first time and possibly missing a step during installation or activation. Always double-check if roaming and mobile data are enabled. Here’s a detailed explanation of each error.

Most issues are related to trying eSIM for the first time and possibly missing a step during installation or activation. Always double-check if roaming and mobile data are enabled. Here’s a detailed explanation of each error.

This guide outlines the steps to install and activate an eSIM on an Android Samsung Galaxy, Pixel and OnePlus, using a QR code and an activation code.

This guide outlines the steps to install and activate an eSIM on an iPhone using a QR code and an activation code.

Apple, Samsung, Google, and some others support eSIM technology. However, it's essential to check with your specific phone's manufacturer or carrier to confirm eSIM compatibility.