Root your Gio With Gingerbread 2.3.3: 1. Download: Update.zip 2. Copy ZIP file to your SD-card 3. Turn off your phone Samsung Galaxy Gio (GT-S5660) is a smartphone manufactured by Samsung and running the Dimensions, 110.5 mm (4.35 in) H the native Android browser is outdated, modern websites can be visited with Firefox for Android by Mozilla. GT-S5660 Galaxy Gio is a somewhat simpler budget android from Samsung with 800 MHz processor and 3.2 inch monitor, built in radio and GPS reciever.