Q:  Do Sprint and others have anti-spyware and anti-malware on phones? Please remind people not to buy phones from door-to-door salespeople. People are selling old phones, they are not cleared, they are redistributing spyware. ~ Janet

Tech+ Janet has a good tip: If you’re buying a used phone, make sure it’s clean. Run the “Factory reset” feature to restore the phone back to the way the manufacturer originally sold it. For Android devices, “a factory reset erases all data from the device,” according to Android’s help page on how to reset a device. The steps are listed at

Ditto for iPhones and iOS devices, though Apple gives users the option to restore contacts, calendars and other settings in the process. Details are at

One warning for those getting rid of an old phone. Even though Apple and Google’s Android say all data is deleted, some security firms discovered that factory resets didn’t delete all the data. Avast Software was able to pull up 40,000 photos on old phones that had been wiped clean. The company offers a free mobile app with a “thorough wipe” feature that deletes and overwrites personal files.

If you feel like educating yourself more on how to avoid malware in the first place, the Federal Trade Commission offers consumer resources. Some quick links:

As for Sprint, the company does offer basic security for free to every customer.  Sprint recently began offering Lookout, a mobile security app, with three stages of protection. The basic service, which is free, includes anti-virus and malware protection.

“Lookout is the best method of protection against hackers – not just to protect mobile devices, but to protect all of their digital life,” said John Votava, a Sprint spokesman.

Premium versions of Lookout add backup and theft protection for $2.99 a month, or jump up to the Plus plan for $9.99 a month to get multiple devices covered and more. Details are at

If I have time, I’ll add security options for the other mobile phone service providers in the Monday newsletter. Don’t forget to subscribe at

Sign up for the weekly newsletter, see past Tech+ answers or ask your own tech question at If you’re emailing your question, please add “Mailbag” to the subject line.

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