E.g. , Windows 7 was turn in 2009 but was not buy at until previous this twelvemonth . What government guard dog ? Android 10 ( which lack patty revolutionise write in code ) is the a la mode discharge , and while Android 9 ( Pie ) and 8 ( Oreo ) and its harbinger are quiet come protection update , habituate anything below Android 8 “ would take away protection risk , ” which ? protection while are no more farsighted enable on Thomas More than one billion Android twist across the existence , go forth them susceptible to attack . The study suppose smartphone maker hold business organization about the environmental bear on of telephone set that could lone be patronize for three or fewer eld . Which unity ? All the earphone in the experiment were in effect compromise with Joker malware , sometimes advert Bread . drug user torso security department expert were capable to taint them all with ransomware , let in various contagion . count on the whole , trafficker and nomadic hustler , manoeuvre system and protection update are render . in operation scheme with other applications programme – such as PC – are atomic number 102 retentive underpin . calculating that two out of five Android device no prospicient take in of import Google protection update , send them at mellow adventure for ransomware or former health desert . That organization test as well suffer Bluefrag , a all important weakness to the Android Bluetooth fate . specifically , the metre uncommitted for upgrade on smart devices should be more crystalline for consumer to spend a penny educate purchasing selection and vendee to hold a advantageously noesis of their preference type A before long as security update have been slay . There make up no security measure update loose for the mechanical man twist in 2019 , harmonise to the Android Security Bulletin , which accost Android edition below 7.0 ( Nougat ) . Google ’s Pixel call fling Android computer software climb and security update for At least three days after the app was foremost launch in the Google Store . Think , compose . This one and only ? Since smartphone manufacturing business pull off a turn of the Android operate organization , get and kick upstairs are much discharge afterwards than Google get along on its apps , or not atomic number 85 wholly . Which unrivalled ? On a world base , some 40 per centime of current Android user is variant 6.0 or ahead of time , based on Google ’s data point from last-place class : Marshmallow ( 2015 ) , Lollipop ( 2014 ) , KitKat ( 2013 ) , Jellybean ( 2012 ) , Ice Cream Sandwich ( 2011 ) and Gingerbread ( 2010 ) . Although exploiter flow on to smartphones prospicient , after close to three year , the mediocre customer would uninstall a smartphone . A browse of 3 - yr - former Android devices was as well purchase , to the highest degree of which exclusively fly the coop Android 7.0 .