In old Nokia phones, the standard notification tone for an SMS (text message) was simply ‘M’ (for message) in Morse code. The “Special” tone when receiving an SMS was Morse code for “SMS”. – WTF Fun Facts
nokia
the most sold mobile phones ever wtf fun facts
The most sold mobile phones ever – WTF fun facts
Source: https://www.decluttr.com/blog/2018/07/13/what-are-the-best-selling-cell-phones-of-all-time/
