Hi Dear,I have my new phone samsung A35 from around 2 weeks..but the phones edge lightning style is not working.I tried by reset phone. App reset and software update still i cannot use.Please give me the advice

I am using my Samsung galaxy A35 since 1 week . My device battery is draining very fast and heating even in normal temperature. I purchased Samsung device to get more battery backup but it's opposite.I am completely disappointed with Samsung.Also the...