Even though the 5510 was revolutionary, it technically wasn't the first phone with an MP3 player. The Siemens SL45 introduced this feature almost 4 months before, in August 2001! : r/vintagemobilephones
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Podróż w czasie: Siemens SL45, czyli pierwsza komórka z MP3
Siemens SL45 specs, faq, comparisons
Siemens SL45 – Wikipedia tiếng Việt
Siemens SL45 specs, faq, comparisons
Siemens SL45 was the first mobile phone with memory expansion and an MP3 player, which debuted in 2001. I have one with 32… | Classic phones, Phone, Old cell phones
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Siemens SL45 - Electroplated Gold - YouTube
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Siemens SL45i Specs - Technopat Database
Siemens SL45 - Wikipedia
![Mp3 Player; Play - Siemens SL45 User Manual [Page 27] | ManualsLib](https://static-data2.manualslib.com/product-images/16/1525/152443/raw.jpg "Mp3 Player; Play - Siemens SL45 User Manual [Page 27] | ManualsLib")