It’s been a long eight months with the Sprint OverDrive 4G mobile hotspot. I have finally decided to downgrade to a plain old MiFi 3G mobile hotspot for the time being until Sprint and Sierra Wireless get their act together! Neither company wants to admit there’s anything wrong with this product but that’s not what users are experiencing. I’ve been patient enough, trying to give them time to release another firmware update but my patience has ran out! I’ve been through TWO replacement OverDrive’s from Sprint with nothing but issues with both replacements. My original OverDrive decided to brick itself during bootup.
Recently I’ve tried to contact Sprint and Sierra Wireless, who both are wanting to point the finger at the other guy! I’ve tried referring every tech I’ve contacted to this thread on Sprints support forum to no avail. Even with the June firmware update, there’s still numerous issues being reported on EVDO Forums with the OverDrive as well.
The last firmware update was June 9th 2010, prior to that update in June Sierra Wireless was pretty good with firmware updates and keeping their early adopter user community informed. Not sure if they are re-focusing on newer products or what but this is crazy! I basically have a product which is unusable at this point!
The thread I linked to on the Sprint support forum outlines my current issue exactly to the T, even to the comments about to lack of customer support from either company! Go figure!
I can’t wait until my eBay purchased used 3G MiFi gets here! 
I had hopes for the Sprint 4G OverDrive but I’ve had one issue to many!
At this point in time, if you are looking at the Sprint / Sierra Wireless 4G OverDrive, don’t even both with such an unreliable product!
