This is my phone and I had it for years.
Yeah, it doesn't receive email or allows me to browse the internet but it already crashed into the ground and got wet more times that I can count and it still works. The battery still lasts 2 weeks.
Can I buy a replacement - no it's only available in Africa! So I had to buy a Motorola - great sales strategy Nokia.
1 week of battery duration (The original battery which is 6 years old).
iPhone has 300h standby and 7-14 hours of talk time. These Nokias had 300-350h of standby time and only 3-4 hours of talk time.
I've tried to use Samsung featurephone as smartphone, and it could handle 45 minutes of video playback on one charge.
http://www.envirofone.com/Nokia/3315/details.aspx
I owned 2 of these, but sadly, both died the same way.. weird software error "CONTACT SERVICE" and failed to respond to any input. Which is sad, because one of those 2 survived a baptism in uric acid!