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I have seen other people struggle on this forum to get Data working on LG phones like in This topic. Basically the issue is that whenever you write EVDO data settings [manuall or dump] it reverts back to original Carrier specific values. Others try to fix this by writing NV items, but there is a very simple way of doing it on Viper, Optimus G, F7 [Others can please confirm the process different handsets and we can have a single solution thread] For LG Viper: - Install LGProvisioning.apk [App: LGProvisioning.apk] - Open the Application - Select Data-Lg> CDG2 Data Settings> PPP Carrier> undetermined Visual Aid: Once this is done your changes for EVDO settings will stay. While programming LG phones you get two { or sometimes three ports} - Serial Port is for NAM settings - Diagnostic Port if for Data settings - GPS port is used-lesser for us. Correct me IF wrong for aforesaid. For LGOG: The LG Provisioning App crashes on LGOG . But no fear, its even simpler on LGOG. From Dialpad dial 3845#*970# Then Choose data > PP carrier > undetermined The above code is kind of generic and is model number specific, so for LG F7 [uS780] its 3845#*780# Random Tips: - *228 is blocked on Viper, So may be you can try *22802 and do the activation. But this sometimes creates issue and Activation process does not complete on backend. Later when you try to activate EVDO you run into all sorts of trouble like "Your phone is not activated" reply message when you try to activate EVDO via SMS. I guess the only way is "Censored" - For LGOG *228 works but does not bring up dial pad , even with the Wait trick. So its not possible to use HCC . What you can do is [will try my best to explain] -Create a "Invalid contact" with 1 as a phone number or create a contact with *228 -Dial *228 -While the *228 lady is singing welcome to reliance bla bla la la... hit home button and go in contact and dial the "Invalid contact" -The screen will show some kind of busy circle and the second call will drop. -Pull don't the notification bar and go back to the original *228 call, now it will show dial pad. voilà. Disclaimer: The above information is to the best of my knowledge, other can add/delete/edit with the right information. Try at you own risk, I am not responsible if you add another brick in the Wall.