What is an EID on a phone?

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What is an EID on a phone?

The EID which stands for “Embedded Identity Document” is a serial number corresponding to the eSIM installed in a connected device (smartphone, tablet, laptop, etc.). This serial number is unique for each eSIM.

Where can I find the EID on my iPhone?
Where can I find the EID on my Android device?
Where can I find the EID on my Windows 10 device?
Where can I find the EID on my Windows 11 device?

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Install once, stay globally connected for life with a single eSIM, compatible with all eSIM-enabled devices : iOS Phone, iPad OS, Android, and Windows 10 and 11.

Are you a company with teams on the move?

Manage your employees' LTE/5G connectivity on smartphones, tablets, laptops, and hotspots
while maintaining complete control over your costs.

Verified

Very easy no difficulties

Mark Sullivan, 07 Apr 2026

No hiccups at all during my time in…

No hiccups at all during my time in Japan.

Jane, 07 Apr 2026

It worked very well overseas for my…

It worked very well overseas for my entire stay. It was very easy to extend my plan as well. I had no problems or issues whatsoever.

customer, 07 Apr 2026

Easy to use via the app on Android.

Easy to use via the app on Android. The unlimited for 1 month is an easy choice for me when I am riding on my motorcycle through rural Japan

Michiel Buitenwerf, 07 Apr 2026

That ubige is gut

I did“t have any problem at all in Japan . It was great. I will always recommend Ubigi.

Jorge, 07 Apr 2026

Worked extremely well.

I can share the data with other people…

I can share the data with other people and as soon as we land I have a data right away.

Easy installation and use

Easy installation and use. Excellent esim for Japan

Jenny, 07 Apr 2026

It’s good

It’s good , no problem at all using it

Worked

Worked Seamlessly so easy and effortless Best eSIM Anyone can ever ask for

Worked as advertised

Kevin S, 07 Apr 2026

User friendly

User friendly. Good coverage while in Japan

Theresa, 07 Apr 2026

Worked perfectly fine

Worked perfectly fine, good value for money.

Everything just works

Marcel, 07 Apr 2026

All good

All good, I will use that service again

customer, 06 Apr 2026

FAQ EID definition

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