I received my 5th Thunderbolt via FedEx today. Unfortunately, the echo is still there. This device is much better than my previous four (how pathetic is it that I've been through 5 devices is 13 days??) but my business partner and fiance both refuse to talk to me while on speakerphone. This replacement phone has much less of an echo, but about every 5th word echos on the receiving end. It is at least possible to have a conversation, but I listed for myself and it is definitely annoying. I wouldn't dare talk to a client on speakerphone because it is still pretty bad.
But now I'm even more frustrated because the Level 2 tech I talked to yesterday, who sent me the new phone, said this was a new phone. However, contrary to his words, this is clearly identified as a "Like-New Certified Replacement". The back cover does not even snap on correctly.
While I have nothing against refurbished phones because I have used them successfully in the past, I don't feel it is correct to send a customer a refurbished phone when I have been having so many problems with so many phones.
What is worse is that the tech yesterday promised they would move me to a Droid Charge today if this replacement didn't work. Well, that can't happen since the Charge release is on hold. I'm not even sure I will like the look and feel of the Charge. They did extend my 14-day guarantee a couple days, but what is a guy supposed to do.