Learn what is an EID number on a phone and mobile device, how it works, its importance, and how to find it on your smartphone.
If you have ever seen a mysterious “EID number” while navigating your phone’s settings or information, then you may wonder what it is. As the world becomes increasingly connected, it is essential to understand the various terms and identifiers associated with our mobile devices, especially smartphones. This article will explain “what is an EID number” in the context of mobile phones, helping you understand its purpose and significance.
In this article
An EID number (Embedded Identity Document) is a unique 32-digit serial number associated with eSIMs found in a mobile device (smartphones, wearables, tablets, laptops, etc.). This serial number is designed to support eSIM chips and is unique for each eSIM.
The smartphones equipped with eSIM come with an EID number to facilitate the connection with the new virtual SIM card, allowing you to use your device without a physical SIM card.
The EID number is essential for eSIM security, ensuring safe device and network connections. It has several key security features:
You typically will not need to know your EID number for daily use of your phone. However, you may need to know about this serial number if you install, manage an eSIM and meet troubles.
Here are some major significances of this 32-digit serial number:
Finding an EID number may vary by device, brand and operating system. However, in general, you can easily find an EID number directly within the phone’s setting information or you can find this 32-digit number on the back of the phone box.
Below we introduce how to find an EID number on iPhone, Apple Watch and Android devices.
Apple Watch is a combination between and iPhone and a watch. You can find your EID number by taking these steps:
Note: You can also find EID on the watch case in some other cases
Note: Depending on the brand and model of your phone, you can always find an EID number in its information.
► We can see that there is not much difference between finding EID numbers on iOS and Android operating systems when looking for the EID number.
There are 02 easy ways to find your EID number on a Samsung Galaxy device:
– Check the packaging: The EID number is typically printed on the back of your phone’s original box.
– Explore your phone’s settings: Navigate to About Phone or About Device within your settings menu. You should find the EID number listed there.
An EID number consists of 32 digits. It serves as a unique identifier for your smartphone and is essential for activating and using an eSIM cellular plan.
No, you cannot directly change your phone’s EID number. It is permanently embedded within the eSIM. If you need to change your cellular number, you should contact your mobile service provider.
The process for obtaining a business EID number (typically an Employer Identification Number or EIN) varies depending on your country and business structure. It’s recommended to consult with a legal professional or relevant government agency for specific guidance.
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