Security firm Bit9 says 56% of Android phones are running out-of-date and insecure versions of the Android operating system. The study pertains to smartphones released by manufacturers this year and last. Every smartphone in the Bit9 “Dirty Dozen” list is an Android. The security firm says wireless service carriers and smartphone manufacturers fail to efficiently handle the process of software updates. The Bit9 study points out that having to rely on the phone manufacturer and wireless service provider for updates is the mainstay for Android updates.”]
Source: https://www.csoonline.com/article/2130282/the-dirty-dozen-of-security-vulnerable-smartphones.html