Contact us
Questions before buying, or trouble after installing — reach us any way you like.
Last updated September 4, 2026
- LINE @esimonline (fastest): https://lin.ee/skDPoNx
- Email: esimonline.asia@gmail.com
We reply on LINE and email daily, 08:00–22:00 Thailand time. Messages outside those hours are answered when we reopen.
Have this ready and we can help faster
- Your order number, or the email you bought with.
- Handset brand, model and OS version.
- The country you are in and the network name your phone shows.
- A screenshot of your cellular settings screen.
FAQ
How fast do you reply?+
On LINE, usually within minutes during support hours. Email within one business day.
I bought through a partner offer and have a problem. Who do I contact?+
Contact that seller first, since they hold your order. If you cannot reach them, message us and we will help you work out the next step.