Yes, Nokia 3310 does have alarm.
Yes, Nokia 3310 comes with Bluetooth 3.0 version.
Yes, you can edit the same. You can crop them. Or you can use different scene filters, while taking the pictures.
Nokia 3310 works with normal sim.
No. Nokia 3310 do not have support for WhatsApp.
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.