I think need to look for the antivirus apps that provide overall protection to your phone. A good mobile security apps should alert the user to close the application that run in the background. Often, Your mobile device will work slowly due to the useless application that run background and holds RAM resources. Most of the time, google maps and other Google apps will hold 60% of your mobile RAM resources that slow down your mobile device. If you wish to install any mobile antivirus products then just go with the free versions with a few MB's. Also, make sure if you are downloading the antivirus products with the larger size, it will further slow down your mobile devices. If you still want antivirus for mobile devices just go with any of light weighted antivirus like Bitdefender or Norton.
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BUG: PLZ HELP, hi i cannnot turn off " Z5 Charging optimization" i enter the setting turned it off and sometimes the chrage no more then 80-90% \@4.299v instead of 100%@ v4.350 (like it was b4 like its not really turning off most of the time ,i replug the chrager or turninng on and off again ,was helpful but not anymore i think is because of the last build 32.2.A.5.11 (or could be battery memory effect?) ps i turning off the optimization when i need better life for 1 day, then turn on again for avarage day so save battery prolong life sry for my bad english
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