Unable to connect mobile internet through LG-GS290 phone

view full story

http://askubuntu.com – I am unable to connect mobile internet through LG GS290 phone, phone is detected but could not connect. Tried to connect via bluetooth and dialup. In both the cases I am able to detect my mobile phone and but when I click on connect tab, it keep trying to connect but after few seconds displayed the "disconnected, you are now off line" message. Please help me resolve this problem. Thanks in advance. (HowTos)