Identify this iconic device, the brand that it created, and the reason for its fame:

Just some of the thousands of possible clues (for the brand)

Cracked by varuns88 , jayanth , udupendra , akhi , Rohan , duriel , Goyal , piezocake , Dibyo , VikraM , priyananda , ajayparasuram , pratap , vivekusc , bobo , Keerthi Kiran M and madhur!

varuns88, jayanth, udupendra, akhi, Rohan, duriel, Goyal, piezocake, Dibyo, VikraM, priyananda, ajayparasuram, pratap, vivekusc, bobo, Keerthi Kiran M and madhur