I'm on one of the old belief plans. 1500 mins and 5 gigs of data per line. I have 4 lines total and the bill usually runs $300-$315. Is there any way to get the $10 charge instead of $40 on shared data plans with existing phones? Our phones are fairly new. Financing new phones would just make my bill about the same. My contract runs out in November so I don't know if there is some way to switch before then. Do all lines have to be eligible or can just one be to change plans. Sorry about all the questions, but appreciate any help.