Hi, I restored my phone and did not back up EFS file so now my phone is unable to find Tmobile network. I have that generic IMEI #. HDI get my IMEI # back on the phone (it's not blacklisted and it's an international phone i9100 so should work on ATT and Tmobile network. ATT works fine but TMOBILE says "NO NETWORK AVAIL" I think this is my solution: http://www.chevypowell.com/fix-samsung-galaxy-unknown-baseband-version/ The catch here is: I am unable to use my USB to connect to PC Q:How do I fix this issue as it's unable to recognize KIES/ODIN. Q:Is there a way to fix it or does this sound like hardware replacement? Please advise if there is a way to root and perform w/o using USB connection to PC for ROOT and IMEI fix? tHANKS!