Operating system - Wikipedia
My phone shows that Android OS has used 28.5 GB of wifi. How can I prevent so much usage? - Quora
How to Monitor (and Reduce) Your Data Usage on Android
cyanogenmod - Google Play Services High Internet Consumption - Android Enthusiasts Stack Exchange
settings - "Android OS" uses a lot of data in background, how to turn off it? - Android Enthusiasts Stack Exchange
Operating system services - javatpoint
How to to stop the Android OS from using background data - Quora
System checkup, keep tabs on background data usage - Android customization - Android Authority
How to Reduce Cellular Data Usage in Android Phone? – WebNots
Samsung Galaxy A51 (SM-A515U) - View & Manage Data - AT&T
Application "Android OS" uses mobile data even if they are disabled - Android Forums at AndroidCentral.com
Check data usage per app | Proximus
System checkup, keep tabs on background data usage - Android customization - Android Authority
My phone shows that Android OS has used 28.5 GB of wifi. How can I prevent so much usage? - Quora
Why doesn't Android report accurate Netflix data usage? - Android Enthusiasts Stack Exchange
What is background data? Find out, along with how to use less of it.
How to Monitor (and Reduce) Your Data Usage on Android
Ridiculous data usage by Android OS / Setup Wizard / OS Services : r/LineageOS
High mobile data usage / email app - Applications - /e/ community
How to Monitor (and Reduce) Your Data Usage on Android
Why is My Android Using So Much Data? - Technipages
How to Monitor (and Reduce) Your Data Usage on Android
![Holy Smokes! High Data Usage by Android OS! [SOLVED] - Galaxy Nexus | Page 6 | Android Forums](http://uploads.tapatalk-cdn.com/20160517/fb8bef4150a73778eb741b5817f51150.jpg "Holy Smokes! High Data Usage by Android OS! [SOLVED] - Galaxy Nexus | Page 6 | Android Forums")