If you have Any other phone, Just go on Google, Type in Whatever Phone Name it is and write Firmware at the End... Example= "HTC One X Firmwares"
put the firmware from your PC to a usb then connect the usb into the xbox360
put it in GAME folder
No.
Yes, you can The firmware goes across board to all models of PSP. This includes the Customer Firmware and the Original Firmware.
No You Cant!
no of course not
Yes, the 3.x.x firmware is the last version of firmware that can be jailbroken directly on the device. Visit JailBreakMe (.com) on your iDevice to initiate the jailbreaking process.
No, you can't.
Not directly no, you can if you put the sip firmware on it and go throuph an intermedia like sip gateway.
You need the latest firmware. go to this site to download it select the t10 and download the firmware.
No, it's probably because of the firmware incompatibility. The R4i uses different firmware.
Home/Menu > Settings/Tools > Update Phone (Option 8) > Update Firmware (Option 1). Hope that helped.