ATT Mobley plan
I just found that ATT is again offering it's Mobley plan for unlimited data for $20.00 a month. Their web site says 22gb per line per month then might slow if tower usage is high. They offer a Harman ...
Forum Discussion
It's really IS the old Mobley plan. It's $20/month and it does not have to remain in the vehicle with the proper power adapter. The Spark is different and needs the OBDII port to work. There are a few differences and some have found workarounds for the 2 hour cycle limit but even a simple wall timer to turn it off/on every 2 hours keeps it alive. There are several hoops you have to jump through so be sure you have all the details before you make the purchase but it's working, it's cheap and it's good.
