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I just brought xperia u and when i wanted to connect to internet on pc, and i connected it to pc companion but there in no option for connecting to internet...
Solved! Go to Solution.
With the information supplied, I suggest that you perform the following within the Xperia U,
Menu > Settings > Wireless & Networks > Tethering & Portable Hotspot > Tick Portable Hotspot or USB tethering.
From here you will be able to setup Phone as modem.