I know you might have come across various methods to archive this process but to no avail. I will therefore implore you to try out these methods as stipulated below. Mobile data consumption these days is on a high level. If one is able to regulate background activities of his mobile phone apps access, then alot could be achieved and data consumption reduced immensely in the process.
How to Drastically Reduce Phone Data Consumption & Improve Battery Life in the process
FIRST METHOD (ANDROID USERS ESPECIALLY XIOAMI DEVICES)
Follow the steps carefully below; Go to;
✅ Settings
✅All Apps or Apps
✅Manage Apps
✅Permissions
✅Background Auto Start (Stop as Many apps as you can if not all apps)
Guide to Choose a Smartphone with a Good Battery Life
SECOND METHOD
✅Restrict All Data Usage (both sims & wifi)
NOTE: You can simply revert the methods below as follows ; Whenever you open an app, you'll receive a prompt to either allow or deny network access,. simple grant them access from the notification window or through app settings.
✅For Xioami Users
🍎Simply locate Security App and Launch it
🍎Data Usage(Manage Data Plans)
🍎 Restrict Data Usage (Mobile & Wifi)
🍎Restrict to your taste
You are good to go. With these methods you should experience a drastic change in your data management and consumption, couple with battery savings.