I Just bought a android tablet. Name : Infibeam Android PHI (not PI) CPU : ARM9 600 MHz Memory : Standard 8GB Nand Flash / 256 MB RAM Display : 7" 800*480 Resistive Model number : sdkDemo firmware version : 1.5 Kernel version : 2.6.25 rockchip version 1.2.7 (ruiguan) Build number : RK-1.3.2.eng.root.20100715.091857 Driver recongnised in PC: Class for RK28USB devices I updated it with RKAndroidDM 1.2 with Apad_Update_9vRed-0802-CN.zip (BootLoader 3.27). Now the tablet works faster than before. Now I want to update further. Please help me with these: 1. What is the CPU model? is it rk2808a or rk2818? 2. What firmwares can I update? 3. Is my bootloader is 3.27? 4. Can I update with 4.02 or 5.07 or someother bootloader? 5. Can I upgrade the RAM to 512 MB?