eSIMratIMEI (the phone identifier)
by RonyThe IMEI (International Mobile Equipment Identity) is a phone's unique identity number: 15 digits, etched into the device, independent of the SIM card. It shows by dialling *#06#. Dual SIM phones have two IMEIs, one per slot. It identifies the device on networks, notably to block stolen phones (blacklist).
Why it matters when travelling
The IMEI is what providers and carriers use to check your device's eSIM compatibility: some models exist in an eSIM version in one region and without eSIM in another, and only the IMEI proves it. A few countries (Turkey for instance) also register the IMEI of phones staying long, with a tax past a certain duration.
If your phone is stolen abroad, the IMEI is what you give the police and your carrier to have the device blocked on networks. Note it before leaving: once the phone is gone, it is too late to dial *#06#.
The misconception
“The IMEI changes when I change SIM card or eSIM.”
Never: the IMEI identifies the phone, not the line. You can install ten eSIMs and the IMEI stays the same. It is the ICCID (the profile) and the line number that change. The trio to remember: EID = the eSIM chip, IMEI = the phone, ICCID = the plan.
In practice, device by device
On iPhone
- Dial *#06#: the IMEI (or both IMEIs) shows immediately.
- Or Settings, General, About: IMEI listed, with the EID right next to it.
- It also appears on the original box and on the purchase invoice.
On Android
- Dial *#06#: IMEI 1 and IMEI 2 show on dual SIM models.
- Or Settings, About phone, Status section.
- On Samsung, Google and Xiaomi, the EID shows in the same place if the phone supports eSIM.
IMEI, EID, ICCID: which identifies what
| Identifier | What it identifies | Format | Changes when? |
|---|---|---|---|
| IMEI | The phone | 15 digits | Never |
| EID | The eSIM chip (eUICC) | 32 digits | Never |
| ICCID | A SIM/eSIM profile (the plan) | 19-20 digits | With every new SIM or eSIM |
What it changes when you compare
When a provider offers to check your compatibility by IMEI before purchase, use it: it is the most reliable check, especially for phones bought second-hand or outside Europe, which may be carrier-locked or lack an eSIM despite an identical model name.
Compare eSIM plans by destination
The rat's tip: Note your IMEI (and your EID) in your notes before every trip, next to your passport number. Three numbers you never need… except on the day you really do.
See also
Frequently asked questions
Is sharing my IMEI risky?
The risk is limited: the IMEI alone gives access neither to your line nor to your data. Share it with legitimate parties (carrier, eSIM provider, police, insurer) and avoid publishing it online, since fraudsters can use it to disguise stolen phones.
Why does my phone have two IMEIs?
Because it runs two lines (dual SIM): each slot, physical or eSIM, has its own IMEI. Both show via *#06#. For an eSIM compatibility check, give IMEI 1 unless told otherwise.
Can an IMEI be changed?
No, and it is illegal in most countries: changing an IMEI essentially serves to move stolen phones. A second-hand seller offering a “re-IMEIed” phone is one to walk away from.