How To Speed Up Android Device Running Slow.

Most SmartPhones passes through lot of things:-
freezing
crashing
or slow motion movement.
These can happen due to many reasons maybe Phone ram, loq storage e.t.c let's get back to business and make this quick.                         
What to do When Your Device is Running Slow, or Lagging?
Rebooting:
Rebooting your device gives it a fresh start and is sometimes all you need to do to fix your issue. To restart your device, follow these steps:
1. Press and hold the Power button until the menu pops-up.
2. Touch Power off or Restart if that is an option foryou. 3. Touch OK to confirm.
4. Press and hold the Powerbutton until your device starts.

Check for app update:
App updates can provide enhancements and security improvements that may fix your issue. To check to seeif there’s an update for the app, follow these steps:
1. Open the Play Store app .
2. In the top left, touch Menu > My apps & games to view your downloaded apps. Apps with available updates are labelled "Update".
3. If there's an update available, select the app and touch Update .

Close apps you are not using :
If you have a lot of apps open, they could be taking up system memory even though you aren't actively using the app. You can force stop these apps to completely shut them down, along with any background services that may be causing your issue:
1. Open your device's Settings app .
2. Touch Apps.
3. Select the app from the list.
4. Touch Force stop .

Check storage and clear space :
You may experience issues if the internal storage on your device is full or almost full. Removing unnecessary files and clearing cached data can free up space that your device needs to work properly. To check how much storage you have on your device, follow these steps:
1. Open your device's Settings app .
2. Touch Storage .
3. Check to see how much storage you have available.
Your device may start to have issues when less than 10% of storage is free. If you're running low on storage, see this simple guide on how to fix internal memory running low.

Uninstall recently downloaded app causing the problem :
Boot your phone into safe mode and check if the problem stop, if it does, then you can reboot your phone and uninstall recently downloaded app and youare good to go.