[JaxChris]

I just experienced this myself today.

I resolved the issue by switching in and out of airplane mode to basically soft reset the radio. This is likely a radio issue that can be resolved with a firmware update. I'm sure if HTC and Sprint address it then it will be rolled into the WM6.5 ROM update.

I don't think a PRL update is needed since doing so doesn't "update" the PRL, but it does cycle the radio the same as airplane mode does. I performed a PRL & Profile update as soon as MyPhone was done reloading my contacts & calendar - that was yesterday - and I experienced the problem about 5 hours ago when I received a text from my bank to authenticate my online banking while I was on their mobile site from the phone.

The issue could be software in that a broken data connection is holding the radio in that state. I first tried to turn off data connection but that still left it showing 1x. Only turning off the radio by going to airplane mode and back again resolved this.

Maybe we can get that US Cellular radio loaded on our phones to address this, all their version numbers appear to be newer for everything.