IMEI blocking is not the only way to fight phone theft. For example, Singapore's regulator does not require mobile operators to implement phone blocking or tracing systems, IMEI-based or other. The regulator has expressed doubts about the effectiveness of this kind of system in the context of the mobile market in Singapore.
The existence of a formally allocated IMEI number range for a GSM terminal does not mean that the terminal is approved or complies with regulatory requirements.
How to Find Your Android Device’s Serial Number
When someone has their mobile equipment stolen or lost, they can ask their service provider to block the phone from their network, and the operator does so if required by law. This blacklisting makes the device unusable on any operator that uses the CEIR, which makes mobile equipment theft pointless, except for parts. To make blacklisting effective, the IMEI number is supposed to be difficult to change.
However, a phone's IMEI may be easy to change with special tools. Using a spoofed IMEI can thwart some efforts to track handsets, or target handsets for lawful intercept. In the UK, a voluntary charter operated by the mobile networks ensures that any operator's blacklisting of a handset is communicated to the CEIR and subsequently to all other networks.
This ensures that the handset is quickly unusable for calls, at most within 48 hours. The service allows up to three lookups per day  and checks against a database that is updated daily by the three major mobile network operators.
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A blocked IMEI cannot be connected to any of these three operators. In some countries, such blacklisting is not customary. In , major network companies in the United States, under government pressure, committed to introducing a blacklisting service, but it's not clear whether it will interoperate with the CEIR. The CTIA refers users to websites at www. The relationship between the former and any national or international IMEI blacklists is unclear. It is unclear whether local barring of IMEI has any positive effect, as it may result in international smuggling of stolen phones.
IMEIs can sometimes be removed from a blacklist, depending on local arrangements.
This would typically include quoting a password chosen at the time of blacklisting. These days, most Android devices come with non-removable batteries. But if you have a device with a removable battery, you will often be able to find the serial number printed underneath.
1. Locate, lock, erase your lost Huawei P30/P30 Pro using Google Account
Gotta love Android. Your serial number is generally used by the manufacturer to track device inventory—mainly for things like repairs and warranty claims. However, there are certain situations where sharing a serial number can cause you grief down the road. For example, if you share your serial number and someone uses it to file a false warranty repair on a device, you may suddenly find yourself with a phone that is out of warranty.
So no tweeting, please. Just as in Gmail, Facebook logs your active sessions. You can also close any forgotten sessions this way.
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How to Track a Phone Using IMEI for Free
First and foremost, start by installing an anti-theft app like Prey on every device you own. And finally, try not to leave your belongings unattended. Thieves love it when that happens.
Image: purplemattfish cc. Head of Sales and Customer Happiness at preyproject. I love tech and Asian food. Headbanging since Overall badass. Search for: Search. According to Livemint , Every time a phone logs into a particular network to make or receive calls, its IMEI number is automatically emitted and tracked.