Disable app notifications by long pressing on notifications and unticking "Show notifications". Disable mobile data in Settings > Data usage to save battery life when not needing a mobile connection. Disable automatic app updates in Play Store settings to manually review app permissions and updates. Check for Android system updates by going to Settings > About phone and tapping "System updates" and "Check now". Change default apps by going to Settings > Apps, selecting the app, and tapping "Clear defaults".
2. 1. Disable App Notifications
If you want to turn off annoying app
notifications, and you are on Jelly Bean 4.1
and above, here’s how:
• On any of your unwanted notifications in your
notification bar, long press on the notification
for a message box to appear.
• Tap on App Info > Untick Show
Notifications > OK.
3. 2. Disable Mobile Data
Whenever it doesn’t need to stay connected
with your Mobile data then disabling the
Mobile Data and this process can help keep
your smartphone battery from draining too
quickly. You can Turning off mobile data on
following way:
• Going to Settings > Data Usage.
• Disable Mobile data by toggling the setting
from ON to OFF.
4. 3. Disable automatic App Updates
If you want to prefer to read through app
permissions and manually pick which app
updates to adopt. Then you can do it, but first
you need to disable your automatic app
updates. Here are the easy steps:
• Open Play Store and head over to Settings.
• Tap on Auto-update apps.
• Choose Do not auto-update apps.
5. 4. How To Check For android System
updates
If you are an android user then this is very
important task for you to check every time about
android system updates. For Android users that
are using stock ROM, you may want to look for
new updates to your system. To check for updates:
• Go to Settings > About phone/tablet.
• Tap on System updates.
• Tap Check now to look for system updates.
6. 5.Changing Default Apps
If you have already set some default apps for
particular tasks (e.g. using Chrome for opening
web links) but wish to change this then you
can do it on following steps:
• Go to Settings > Apps.
• Swipe right and look for the All tab.
• Select the app you want to remove as default.
• Tap on Clear defaults.