High Quality Content by WIKIPEDIA articles! The Samsung SPH-M620 (Upstage in the United States) is a phone manufactured by Samsung. The phone is carried by Sprint Nextel in the United States, and by Bell Mobility, MTS, Telus and TBayTel in Canada. In Canada, the phone is sold as the M620 and the M620 Music Edition, with the Music Edition coming with high quality earphones and a 2 GB microSD card.