T-Mobile's not letting Verizon Wireless bask in the spotlight for too long, as it just announced that June 21st will be the magic date it begins offering the Samsung Galaxy S III in stores. DevelopingContinue reading T-Mobile brings Samsung Galaxy S III to stores on June 21stT-Mobile brings Samsung Galaxy S III to stores on June 21st originally appeared on Engadget on Mon, 04 Jun 2012 09:19:00 EDT. Pleas