Top 10 important identifiers on your phone

When using your phone, you need to pay attention to the important identifiers so that you can look up the device information or use it in cases where something goes wrong. Let's learn 10 important identifiers on the phone in the article below!

1. What is IMEI? What to do?

IMEI (International Mobile Equipment Identity) is an international mobile device identification number. Each phone number will have only 1 IMEI and the unique IMEI number of that phone.

IMEI is used to check the activation time, warranty period, help the phone read SIM and listen to calls.

2. What is Serial Number? What to do?

Serial Number or serial number is a string of characters, may contain letters or numbers, or both, printed on the phone to identify the phone. Depending on the manufacturer, this serial number will vary.

The serial number on the phone is often used to look up products, look up the manufacturing location, track phone information, check the quality of the phone, .

Top 10 important identifiers on your phone Picture 1

3. What is WiFi MAC Address (WiFi Address)? What to do?

MAC (Media Access Control) address is an address assigned by the network manufacturer to each hardware of network devices. This address is unique and cannot be changed, usually consisting of 6 different pairs of numbers or characters.

The MAC address serves to distribute the data that is transmitted between networks to the correct assigned network devices.

4. What is Bluetooth Address? What to do?

A Bluetooth address is a sequence of characters, can contain letters and numbers, that are assigned to devices using Bluetooth technology. There are 2 types of Bluetooth addresses: public addresses (fixed and cannot be changed) and random addresses (programmed for the device at runtime).

The Bluetooth address on the device makes it possible for the device to exchange data with other devices via Bluetooth.

Top 10 important identifiers on your phone Picture 2

5. What is SEID on iPhone? What to do?

SEID on iPhone is used to identify phone chip, it is also related to security and NFC (standard wireless connection between two different devices in a short distance).

In addition, SEID also plays a role in the payment system of Apple Pay on the iPhone 6 and iPhone 6 Plus.

6. What is the EID on the iPhone? What to do?

EID (Embedded Identity Document) is an identification number for eSIM (SIM with very small size and soldered directly to the motherboard of the phone device).

The EID is a 32-digit sequence, and is the unique number provided to that eSIM.

When you have problems contacting your mobile operator, you may need to provide this EID.

Top 10 important identifiers on your phone Picture 3

7. What is ICCID on iPhone? What to do?

ICCID stands for Integrated Circuit Card Identifier, temporarily translates SIM card identification code. This code consists of a sequence of 19 - 20 numbers, printed directly on the SIM card and is the unique code of that SIM card.

In principle, each iPhone phone receives only 1 carrier, ie an ICCID code stored in the SIM's memory. Through the ICCID code, you can check if your iPhone is an international iPhone or just an iPhone lock (iPhone is managed by a carrier distributed by Apple, has a cheaper price than the international iPhone).

8. What is MEID on iPhone? What to do?

The MEID is a mobile device identifier, which is a unique number assigned on the physical part of the mobile device.

The MEID on the iPhone can be used to verify, avoid buying a "fake" iPhone, and is also a useful tool to find the phone back in case it is lost or stolen.

Top 10 important identifiers on your phone Picture 4

9. What is FCC certification? What to do?

FCC (Federal Communications Commission) is a certification issued by the Federal Communications Commission of the United States, issued for electronic equipment manufactured or sold in the United States.

When mobile equipment is FCC approved, it means that the electromagnetic interference of the device is always guaranteed to be within the permitted level, not affecting the user.

10. What is the Model Number? What to do?

The Model Number or model number is the number provided by the device hardware manufacturer for that device. This number is unique on each device and is usually engraved on the device itself.

Model Number helps manufacturers track the health of the device and easily replace it if parts of the device fail.

Top 10 important identifiers on your phone Picture 5

Recently, there are 10 important mobile identifiers and what they do. Hope the article was useful to you, thank you for watching!

Marvin Fry

Update 21 October 2020