Narrow your search
Losing your phone is awful, but if you're working with your carrier and law enforcement to recover it, they may need your IMEI number.
The security feature, designed to prevent use of lost or stolen devices, must be turned off before you buy a used iPhone.
Google quietly pulls a hidden feature in Android KitKat that allowed people to deny app permissions on a case-by-case basis.
As smartphone theft grows, handset owners need to do all they can to secure their devices. Read the steps you can take and find just what else the industry is, and is not, doing.
Hackers claim to have beaten Apple's Touch ID fingerprint security already, using movie-style fake fingerprints to break into the iPhone 5S.
A top secret order reveals that the National Security Agency is gathering records of millions of phone calls made by Americans.
Malware dubbed BadNews has been discovered in Android app market Google Play and downloaded millions of times.
A wonderful piece of crowdsleuthing by the fervent Android fans of the XDA forums has revealed how many Nexus 4s have been built.
The companies have created a joint database that will stop stolen smartphones from being used on either of their networks.
In this Ask Maggie, CNET's Marguerite Reardon advises a reader looking to use a SIM card from a tablet to get data-only wireless service on his smartphone.