eSIM · Basics
What is an eSIM and how it differs from a physical SIM
An eSIM is a chip built into the phone; the carrier profile is downloaded digitally instead of inserting a plastic SIM card.
You can use it for your main line or for a data-only travel plan.
Last reviewed: 19 October 2026
How to book it
Pick the purpose
Main line or travel data.
Get it from the carrier or a travel provider
You get a QR code or app activation.
Activate it
In the phone settings.
eSIM vs physical SIM
| eSIM | Physical SIM | |
|---|---|---|
| Form | Digital, inside the phone | Plastic card |
| Switching | In settings | Swap the card |
| Several lines | Depends on the phone | Depends on slots |
In Saudi Arabia
Carriers such as stc, Mobily and Zain offer eSIM for their lines. See stc, Mobily and Zain.
For travel
A data-only travel eSIM is installed before the trip and works in the chosen country. See travel eSIM.
When this works
A fit if
- your phone supports eSIM
- you travel often
Think twice if
- your phone does not support it
- you need to move your line to an old phone
Continue on the company site
Khasmak does not book for you. Open the site, enter the same dates and read the total before paying.
Traveller questions
Is an eSIM better?
Not always; it is easier to switch and stores several lines.
Is there a free eSIM?
See free eSIM offers; terms vary.
Does it work for calls?
A carrier eSIM yes; many travel eSIMs are data-only.