I own an iPod Touch 4th gen, 5.0.1 firmware.

For a long time I can't connect to iTunes on a PC. I can only charge it with a wall charger, it's currently jailbroken and every time I plug it in a PC, it says it can't recognize the device. I have done all the updating iTunes, reverting to an old version, Reinstalling Apple Mobile Device software. Nothing has made it work, at all. I want to update to iOS 6 but I'm scared it will be a a worthless device if it still cant connect since I have to jailbreak it and make it into a pocket computer. If anyone has any information whether updating will fix it or not, please let me know. I'd rather stay on 5.0.1 than without a jailbroken device.