Hi there, I am having a table Simmtronics Xpad X1010 Tablet with following spec- BrandSimmtronicsGraphicsDual Mali-400Model IDX1010Voice CallNoProcessor1.2 GHz Cortex-A8RAM1 GB DDR3Internal Storage8 GBPrimary Camera0.3 megapixelsDisplay Type10.1 inch TFT LCD Capacitive Touchscreen with 1024 x 600 pixels ,16 M ColorsWi-FiYes, 802.11 b/g/nBattery Type5600 mAh Lithium - PolymerUSBYes, 2 x Micro USBHDMIYesOperating SystemAndroid 4.0 (Ice Cream Sandwich) I want to upgrade the Operating system. 1. Can anyone tell me up to which OS I can go? 2. Where I can find that OS? 3. Steps to install that OS? Thank you.