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- Post Publish: 2021-06-30
- Categories: Knowledge
- Updated:
What is IMEI code and how to get it?
What is IMEI code and how to get it? - Table of contents:
What is an IMEI code?
An IMEI code is the unique code assigned to any mobile device that connects to a cell phone network. The acronym “IMEI” is short for International Mobile Equipment Identity. “International Mobile Station Equipment identification” is a unique code, which should be assigned to each individual Mobile Station Equipment in PLMN (Public land mobile network) and implemented unconditionally by the terminal manufacturer. You can think of it as your cell phone’s fingerprint.
It’s not just cell phones that have IMEI codes. Anything that needs to connect to a cellular network must have an IMEI code. This includes 4G LTE tablet 10.1 inch, iPads, smartwatches, and Internet of Things (IoT) devices. An IMEI code isn’t needed for a device that only connects to Wi-Fi networks, IMEI can be implemented regardless of whether users use these devices. so most laptops and non-cellular tablets/iPads don’t have one.
The main goal of IMEI is to be able to take measures to prevent the use of stolen equipment or equipment that cannot or is no longer allowed to be used in PLMN due to technical reasons.
IMEI is incorporated into the UE module contained in the terminal. IMEI shall be unique and shall not be changed after the final production process of the terminal. It should be able to resist tampering (I .e. manipulation and change) in any way (such as physical, electrical and software).
The manufacturer that implements the IMEI module in the terminal is responsible for ensuring that each IMEI within the distribution range is unique to the terminal where it is located, and is responsible for saving detailed records of the terminals produced and delivered.
The composition of IMEI shall ensure that each individual Mobile Station device can be identified separately.
IMEI contains a lot of information, through which PLMN can immediately decide whether to accept the call sent through the device after requesting the information.
IMEI consists of the following elements (each element can only consist of decimal digits):
- Type assignment Code (TAC: Type Allocation Code). The length is 8 bits (have you found that the BOSS side uses this TAC data to identify the terminal type);
- The Serial code (SNR: Serial code) uniquely identifies each device in the TAC. It must be 6 characters in length;
- Check bit (CD: Check Digit)/backup bit (SD: Spare Digit): If this is a Check bit, please refer to the following paragraphs; If this is a backup bit, when the terminal is transmitting, set it to zero.
IMEI(14 bits) is supplemented by the calibration bit (CD). When IMEI is checked, the verification code is not part of the transmitted code. The checkpoint is used to avoid manual transmission errors, such as when the customer registers a stolen terminal at the customer service desk of the operator.
What is an IMEI used for?
The most common use for your device’s IMEI code is to confirm or restrict access on a cellular network. If your phone is found on the international blocklist as lost or stolen, you won’t be able to connect it to any mobile network.
From the user’s point of view: IMEI used to ensure that mobile devices are not replaced. This code is available on the package of the equipment, which can be checked by comparison.
From the perspective of commercial developers, users can be calculated by obtaining IMEI to optimize the user experience of the APP.
From the perspective of commercial advertisers: IMEI can be used to identify different types of users and push related advertisements. Of course, the industry has gradually tightened its policies in this regard.
Can an IMEI code tell me if a phone is stolen or lost?
Yes! This is one of the most valuable uses for IMEI codes.
Anyone who is buying a used iPhone, smartphone, or cellular device should check that its unique IMEI code has not been reported as lost or stolen. The seller probably will not give out that information over the internet (for good reason). Instead, you may ask to check the IMEI code upon meeting for the transaction. If the IMEI code shows as blocked or stolen, you should walk away from the deal.
IMEI for a Lost iPhone
From anywhere, you can find the IMEI code for your iPhone using the Apple ID account page:
- Log on to appleid.apple.com with the same Apple ID used on the missing device.
- Find and select your iPhone in the Devices section.
- Information about your device is displayed, including the IMEI code.
Some other ways to find your iPhone’s IMEI code:
- Another device registered with the same Apple ID lists all devices under Settings > [Your name] > Devices (iOS 10.3 or later).
- The original packaging for your iPhone has the IMEI code printed on it.
- Mac or PC computers that are registered with the same Apple ID may have the device listed in iTunes. Computers running macOS Catalina 10.15 or later can find this information in the Finder.
IMEI for a Lost Android
The instructions for finding the IMEI code on a missing Android smartphone is easy, but it may get complicated if you use your phone for two-factor authentication (2FA).
- Log in to android.com/find with your Google account. You can also use the Find Device app on another Android phone or tablet registered to the same Google account.
- All registered devices are shown near the top. Select the missing device.
- Select the information icon beside the name of the device (the letter ‘i’ in a circle) to find your IMEI code.
If your account is protected by two-factor authentication with your missing device as the key, you may need to use another device or computer that is already authenticated. Otherwise, you’ll need a backup code that was provided when you enabled 2FA.
Is an IMEI the same as a SIM card?
An IMEI code is not the same as your SIM card, but working together, they connect you to a wireless network. android tablet use a SIM card that contains information to link your cell phone or other wireless device to your mobile provider. You may move a SIM card from one phone to another, and your phone code will follow the SIM card. However, the IMEI code is fixed to the device and cannot be changed.
The IMEI code is used to identify the network identity of the android tablet. When surfing the Internet or making a tablet call through the SIM card, the IEMI code is responsible for identifying your SIM card and attaching it with the network identity of the device, if your android tablet is dual-card dual-standby, you naturally need two IMEI codes to distinguish.
The Fastest Way to Get Your IMEI code
Getting your iPhone or android tablet’s unique IMEI code sounds like it should be difficult. Instead, it’s just two steps:
- Open your dialer app (that’s the app you use to make a phone call)
- Type in *#06#
That’s it. You don’t even need to hit the “send” button; your phone’s unique IMEI code shows as soon as you hit the second pound key (#).
All devices that connect to mobile wireless networks have a unique IMEI code, including many tablets and smartwatches. We’ve included more detailed instructions below about how to get an IMEI code from your 4G LTE-android tablet, Apple Watch, or Android tablet.
How do I find the IMEI on my iPhone?
- On your iPhone, open the Settings app.
- Select General and tap on About.
- Scroll down to find your IMEI code.
Important Note: Your iPhone could have two IMEI codes: one for a physical SIM card and one for an eSIM or digital SIM. Both are clearly defined on the About screen.
How to find the IMEI on Android cell phones
- On your Android smartphone, open the Settings app.
- Scroll down and tap on About phone.
- Scroll down to find IMEI code.
Important Note: These directions may be different depending on your Android version and manufacturer user interface. If you don’t find the exact same wording, look for something similar. The IMEI code will be somewhere in the Settings app.
Where is the IMEI code on an iPad and iPad Pro?
- On your iPad, open the Settings app.
- Select General and tap on About.
- Scroll down to find IMEI code.
Important Note: The new Apple iPad Pro is able to connect to some 5G wireless networks. It still uses an IMEI code that can be found by using these instructions.
How do I find the IMEI code on an Apple Watch?
- If using your Apple Watch, open the Settings app.
- Select General, then tap About.
- Scroll down to find the IMEI code.
You can also find the IMEI code for your Apple Watch on your iPhone.
- From the iPhone paired with your device, open the Apple Watch app.
- Select the My Watch tab.
- Tap on General, then About to find the Apple Watch IMEI code.
Find the IMEI code on an Android tablet
- On your Android tablet, open the Settings app.
- Find and tap on About tablet.
- Scroll down to find your IMEI code.
Important Note: The instructions to find your IMEI code may vary on different Android tablets. If your tablet is 4G LTE enabled, the IMEI code will be found in the Settings app.
An IMEI code is the unique code assigned to any mobile device that connects to a cell phone network. The acronym “IMEI” is short for International Mobile Equipment Identity. “International Mobile Station Equipment identification” is a unique code, which should be assigned to each individual Mobile Station Equipment in PLMN (Public land mobile network) and implemented unconditionally by the terminal manufacturer. You can think of it as your cell phone’s fingerprint.
The composition of IMEI shall ensure that each individual Mobile Station device can be identified separately.
