Asked by: Sabrin Buehmann
technology and computing smartphones

What is a TAC number?

Last Updated: 22nd January, 2020

The Type Allocation Code (TAC) is theinitialeight-digit portion of the 15-digit IMEI and 16-digit IMEISVcodesused to uniquely identify wireless devices. The TypeAllocationCode identifies a particular model (and often revision)of wirelesstelephone for use on a GSM, UMTS or other IMEI-employingwirelessnetwork.

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Consequently, what is Gsma Tac?

A Type Allocation Code (TAC) is an 8 digitnumberallocated to 3GPP device manufacturers by theGSMA.Manufacturers use TAC to create a uniqueidentifier for amobile device known as the International Mobilestation EquipmentIdentity (IMEI).

One may also ask, what is IMEI number used for? The IMEI (International Mobile EquipmentIdentity)number is a unique set of 15 digits used onGSM phonesto identify them. Because the SIM card is associatedwith the userand can be swapped from phone to phone, a method isneeded to keeptrack of the hardware itself, and that's why theIMEI wasdeveloped.

Additionally, what is my mobile device number?

It is normally 15 digits long. The IMEI numbercanbe found on the silver sticker on the back of your phone, underthebattery pack, or on the box your phone came in. You can alsodisplaythe IMEI number on the screen of your mobilephone orsmartphone by entering *#06# into the keypad.

What is the format of IMEI number?

The Structure of an IMEI Number IMEI numbers either come in a 17 digit or15digit sequences of numbers. The IMEI formatcurrentlyutilized is AA-BBBBBB-CCCCCC-D: AA: These two digits arefor theReporting Body Identifier, indicating the GSMA approvedgroup thatallocated the TAC (Type AllocationCode).

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What does GSMA stand for?

GSM Association

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What is TAC and FAC in IMEI?

The first eight digits of the IMEI number istheTAC code. Prior to 2004, the first six digits weretheactual device identifier and the next two were a FinalAssemblyCode (FAC)representing where the device wasmanufactured.Since then, the FAC portion has beendropped.

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What is GSMA blacklist?

The operator can then block the phone from theirmobilenetwork, which is called IMEI blacklisting.Theblacklisted IMEIs are provided to the GSMAcentralIMEI Database allowing operators to exchange data and toblockdevices on multiple networks nationallyandinternationally.

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What is meant by GSM?

GSM (Global System for Mobile communication) isadigital mobile network that is widely used by mobile phone usersinEurope and other parts of the world. GSM digitizesandcompresses data, then sends it down a channel with twootherstreams of user data, each in its own time slot.

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What's an IMEI number on the iPhone?

What is IMEI. IMEI, orInternationalMobile Equipment Identify, is a unique identifyingnumbersimilar to a serial number. Cell servicesproviders use thenumber to identify phones on their networkand need that whenyou request to have your old iPhoneunlocked.

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How can I change my mobile IMEI number?

Steps to change IMEI number:
To get the original IMEI number of yourAndroid,just dial *#6# form dial-pad. or you can also go tosettings >About. Now open Xposed installer application on yourandroid deviceand go to modules and Tick mark on IMEIChanger app. Then,you need to restart your Androiddevice.

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What is SNR in IMEI?

The SNR is an individual serial numberthatuniquely identifies each Mobile Equipment device within theTAC.The Spare digit is used as a Check digit to validatetheIMEI and is always set to the value 0 when transmittedbythe Mobile Equipment.

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How can I check my phone status?

Check the Status of your Handset. Usethelink below to query the status of your handset.Please enterthe IMEI number (15 digits) and click (Re)query.Note thatyou can obtain your IMEI number by pressing *#06# onyour mobilephone.

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Do fake phones have IMEI numbers?

Every genuine mobile phone has aserialnumber to register it to a carrier network.Thisnumber is called the International Mobile EquipmentIdentity(IMEI) number. The IMEI number can beused toverify the legitimacy of a phone. Oftencounterfeitmodels won't have an IMEI number oruse a fakeone.

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How do I find my android device ID?

Faqs / How to find your AndroidDeviceID
1- Enter *#*#8255#*#* in your phone dialer, you'llbeshown your device ID (as 'aid') in GTalk Service Monitor.2-Another way to find the ID is by going to theMenu>Settings > About Phone > Status. The IMEI / IMSI /MEIDshould be present in the phone statussetting.

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What is my SIM card number?

Finding the SIM number in Settings
  • Open your Apps list and tap on Settings. Scroll to the bottomofthe menu and press About.
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  • Your SIM number will show as either the 'IMSI' number, orthe'ICCID number'.

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Can someone hack my phone with IMEI number?

All cell phones can be hacked with justtheIMEI number or phone number. Remote cell phonehackcan be successfully done using either the phonenumber orIMEI number. This allows you get full andunrestricted accessto the cell phone you want to monitor.Every single mobilephone has its unique IMEInumber.

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Where is my phone Google?

Go to and sign in to yourGoogleAccount. If you have more than one phone, clickthe lostphone at the top of the screen. If your lostphonehas more than one user profile, sign in with aGoogleAccount that's on the main profile.

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How do you check if a phone is blacklisted?

How Do You Check if Your Phone is Blacklisted?
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  2. Browse your phone's settings. For Apple fans, go toSettings> About > ESN/IMEI, and it should come up.
  3. Check your phone's battery.
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Why do I have 2 IMEI numbers?

your mobile is dual sim that is whyithave two imei number. normally master imei number1stimei number is used for your mobile. as you havetwosim card and to register on gsm network each sim needuniqueimei number and that is why it has twoimeinumber. imei is very useful for mobile trackingandmobile unlocking.

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How do I find my IMEI number on Google?

Start by logging into your Google Dashboardbyheading to Afteryou'resigned in, click the arrow next to Android. You will seealldevices that have been attached to your Googleaccount.Find your current phone and copy theIMEInumber.

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Can IMEI be tracked?

The Police have two methods for trackingyourphone when it's stolen, they can use your phone numberoryour IMEI number. Because the IMEI numberisregistered to your specific handset the Police will beableto track the device itself, even if the SIM card hasbeenchanged.

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How do police track cell phones using IMEI?

Your phone's IMEI number can beaccessedby dialling *#06#. Both Goldstuck and Van der HaartoldAfrica Check the IMEI number can be usedtotrack the location of a mobile device.However,tracking “can only be done by themobilenetwork operator to which the phoneisconnected.

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What does IMEI tell you?

IMEI numbers have one principal purpose:Toidentify mobile devices. Their secondary purpose, or intention,isto prevent theft. When a carrier knows that a device hasbeenstolen, it can blacklist the IMEI code and lockitout of the network. Later on, it tells othercellularnetworks to do the same.