It looks like my i730 may be dead. I can't get it to turn on. I tried putting it in the cradle and I get a blinking yellow light. I try connecting the charger directly and I get the same thing. I've tried putting some charge in a battery from the cradle directly, then putting it in the phone and it won't turn on.
I have also tried a hard reset, and that didn't seem to work, assuming the procedure I used was correct for a Verizon WM5 phone (top left menu button, pull power switch down, hit reset button).

The batteries I've tried are charging fine. I had used the phone only a short time before I tried to use it later and found it dead. I do have insurance on it, but all I have is my cell line. Fortunately, I have an old phone as a backup assuming I can get it activated.

What's the verdict on my i730? Is it dead or is there some trick I can use to revive it?

Really, if I were you, I'd call Samsung first and just ask their tech support what the blinking yellow light means. If they tell you it's borked, which I suspect is the case, then yeah, I'd do an insurance replacement. From my experience you'll either get a brand-new-ish i730 or maybe even a newer phone, like the i760 or something..

Ive had that happen. All I did was take out the battery for like 12 AT LEAST, put it back again, turn it on and it worked.

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Your cradle is tellling you the phone isn't seated correctly.

Are you sure you know how to hard reset? it's in the FAQ stickies above. You must be connected to power or have a fully charged battery.

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Brian
Smart Phones for Dumb People

Make sure the connectors on the bottom of the phone are clean. Some of them may not be making contact.