Yes, you can set MP3 ringtones of your choice.
No. Nokia 3310 do not support 4G and VoLTE.
Yes, you can create, save and edit notes and even can keep reminders for them.
Nokia 3310 is made of strong Polycarbonate body.
Yes, Nokia 3310's camera also have zoom function.
There are a few things that do bring back the feeling of owning an original Nokia 3310, such as the classic Nokia ringtone, the physical buttons, the tiny body, and solid build quality.
You can buy other feature phones for less than this, and the new Nokia 3310 doesn't justify the extra outlay over the simple nostalgia card it's playing.