Category Archives: General

Can a SIM Card be Tracked?

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First of all, what is a SIM card? SIM stands for Subscriber Identification Module (SIM). It is basically a portable memory chip that is inserted inside a cell phone. In terms of security, the SIM card carries a authentication protocol and has unique information related to its owner. This unique information includes the phone number, personal data contacts and messages. Other information contained in a SIM card is the IMSI or International Mobile Subscriber Identity, Local Area Identity or LAI, ICCID and etc.

A cell phone or mobile device can only be used once it is inserted with the SIM card. The important factor to be taken account is that the SIM card is only functional once it is inserted into the mobile device. However, once activated SIM is the conduit for tracking as it will emit the IMEI number of your mobile device as well as the SIM’s serial number to a nearby cell tower. SIM card are categorized as a slave computing device. This means it is a passive device where it is only activated once it is powered by a mobile device.

So the SIM card can only be traced once it inserted into a cell phone and it is within a network coverage area. But, in the case your cellphone got stolen, some phones and also network operator has the function that is called SIM lock. This SIM lock usually link a SIM card specifically with a mobile device. Once this mobile device got stolen together with the SIM card in it, the SIM card can be automatically be block by the network operator. This means that the person who stole it cannot use the phone unless he or she removes the SIM card out.

The network operator can also detect where the last location of your SIM card was activated before it is removed. Also, please be careful of what information you put into a SIM card. Any personal information can be hacked from a SIM card once it is stolen.


How Mobile Number Tracer Works

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Living in a mobile gadget and also wireless world nowadays, it is now become easier for tracking people to be done. A mobile number can be trace either through mobile phone tracking of also mobile positioning. Mobile phone tracking is done via GPS or Global Positioning System. The Global positioning is done through 27 Earth orbiting satellites that is constantly roaming our space. A GPS receiver that is normally installed in your smartphones will locate four or more of this satellite wherever you are currently located. The triangulation method is used here to triangulate your exact position. By triangulation with the satellites and also your smartphones, the GPS receiver will be able to tell your smartphone or the apps that is using the GPS data your exact location and the surrounding areas.



Example of apps that use the GPS data is like Waze, Papago and etc. other ways for tracking is through mobile positioning. It uses the same concept of GPS and that is triangulation method. However, instead of using the satellites, it uses radio towers closes to your phones for the triangulation. Your phone will emit a roaming signal to a nearby radio tower. The location of your phone is determined through how strong the signal is sent to each of the receiving radio towers. It is not as precise as the GPS but it does not require you to open any apps for it to function. So, based on these two methods, a mobile can be tracked where it is located to an exact location. The number that is being used by the mobile phone can easily be obtained by contacting the operator network and they will identify which radio towers is receiving the strongest signal from that particular number of the mobile phone. The triangulation method then is also used to determine which other radio towers is also receiving the signal. By calculating the strength and weak signal, they can obtain a rough estimate of the mobile phone location.


Find IMEI Number after You Lost Phone

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The IMEI number of a phone is very useful especially to track your phone once it is lost or gone. If the phone is still with you now, you can easily retrieve your phone’s IMEI number by pressing *#06# on your phone keypad. Your phone will instantly show a string of numbers. This number represents the phones IMEI. Keep this number in a safe place or just screen shot the number and save the picture in your computer. This number might be useful for you to give it to your network operator for tracking purposes.

But what happen if you did not do this step and you just got your phone lost? How do you retrieve your phone’s IMEI number if you have lost your phone? There are several ways. One of it is to retrieve the number from the original packaging of the phone. For IPhone users, if you still keep the original box packaging, the IMEI number is at the back of the box in the Barcode area. It will show you the string of numbers that represents your phone’s unique IMEI number.

But what if you have thrown out that original packaging box? Is there any way you can retrieve your phone’s IMEI number? Luckily that some app in the market has the security feature of retrieving your phone’s SIM ID and also IMEI number even when it got lost. One of the app is the SeekDroid app.

However, just make sure you have already downloaded and installed the app in your smartphone. So, make sure to remember your mobile phone’s IMEI and store it someplace safe. This will prove to be useful if your mobile phone do get lost. You can immediately use this IMEI number by calling your operator and tell them that your mobile phone got stolen or lost.