What's Inside the Oldest Nokia Phone?

I had an old Nokia phone( 2110i to be precise) lying around in my house. I decided to open it up, as it had no technological importance in today's world, however it's interesting to trace the amazing advancement in technology by seeing circuits that were made more than 20 years back.
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And the epic Nokia tune played with distortion-

[josephkreifelsii]

I was thinking about buzzers, and I started wondering if the old Nokia phones used buzzers for their ringtones. WEll, there surely is a buzzer in there.