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
Why doesn't Android report accurate Netflix data usage? - Android Enthusiasts Stack Exchange
settings - "Android OS" uses a lot of data in background, how to turn off it? - Android Enthusiasts Stack Exchange
Android OS destroying My Data and the S7 Edge - Android Forums at AndroidCentral.com
How to to stop the Android OS from using background data - Quora
What is background data? Find out, along with how to use less of it.
settings - "Android OS" uses a lot of data in background, how to turn off it? - Android Enthusiasts Stack Exchange
High mobile data usage / email app - Applications - /e/ community
How to Monitor (and Reduce) Your Data Usage on Android
How to Check Data Usage on Android: 4 Steps (with Pictures)
Holy Smokes! High Data Usage by Android OS! [SOLVED] - Galaxy Nexus | Android Forums
Application "Android OS" uses mobile data even if they are disabled - Android Forums at AndroidCentral.com
How to to stop the Android OS from using background data - Quora
Ridiculous data usage by Android OS / Setup Wizard / OS Services : r/LineageOS
Why is Android System using Data - Android Enthusiasts Stack Exchange
How to Reduce Cellular Data Usage in Android Phone? – WebNots
How to Monitor (and Reduce) Your Data Usage on Android
This is ridiculous. Android OS consumed mobile data when not used the data. I'm only use WiFi. PLEASE THIS IS RIDICULOUS. R This Malware?? WTF REALME. I'M USING REALME 3 WITH LATEST
Why is My Android Using So Much Data? - Technipages
Datawyze: How to track your data usage using Settings
My phone shows that Android OS has used 28.5 GB of wifi. How can I prevent so much usage? - Quora