Power off your phone, remove the battery (if possible), and connect it to the PC via USB while holding the Volume Down key.
Before you can dive into the advanced features, you need to set the stage. This section covers the fundamental hardware setup. SYMPHONY S100 tutorials
From that day on, Elias carried the Symphony S100 in his breast pocket, like a baton. It couldn’t take photos, browse the web, or send emojis. But when it rang— ding-ding-ding-ding —he answered it on the first try. Power off your phone, remove the battery (if