Hopefully more demanding users than I will chip in on this, but if your phone is new, and you’ve recently installed lots of apps, plus updating the OS I expect, the phone will have a lot on its plate and will likely take several days to settle down. During that period slightly laggy behaviour is unsurprising to my mind.
You may notice that the phone runs hot sometimes, for no apparent reason. Same underlying explanation. Also, be prepared for higher power consumption and running warm after OS and app updates.
Laggy performance also occurs when in battery saving mode, for obvious reasons.
While I’ve got you reading, as new to Android (congratulations ), a word about SD cards. If ever you plan to use one, make sure you read this:
), a word about SD cards. If ever you plan to use one, make sure you read this: