Do you want to check software update on Android?
Mobile phone companies provide software updates frequently for better security and more options. Sometimes updates create a problem for some devices, so it is not true that updates will be better for your device. You are advised to check which updates they are providing.
When new software update come, they send notification on phone. You can check the software update manually.
How to check software update on Android phone
Checking software update on android phone is very easy. Go to Settings → Software updates
If there is any software update, download option will be available.
Some android phone companies provide frequent updates, it is good decision checking software update manually on your android phone when you get time.