The A51 doesn't have a good camera sensor. combine that with excessive
processing, you'll have an ugly noisy picture. It cannot be fixed but
can be remediated.
if you use your phone and do heavy tasks like gaming while charging, not
only will the charging rate decrease, the charge controller will limit
current in response to high temperatures. Using it to check Whatsapp
messages and read articles and such i...
I must admit that the A51 has a particularly less zoom performance but
you just cannot expect images to be clear as you zoom. Even DSLRs suffer
loss of quality when digitally zoomed.