Follow these things to use your device to bug free 1. Install only
necessary applications 2. don't install unnecessary apps which is can
make device lagging 3. Don't use device while its charging 4. If u have
received the updates dont update it immed...
Try these things to save your device battery 1. Settings >developer
option >background process limit >choose no background process 2.
Disable auto sync 3. optimise your device often using with device care
app 4. on device care app >battery >3vertical...