This whole lawsuit thing is stupid. A handful of idiots (out of the millions of phones sold) had a signal loss and are making a big stink over it.
I for one, have a better signal than I did with the iPhone 3G. With the iPhone 3G I was unable to get a signal, or would sometimes get a faint EDGE signal at work in the breakrooms at work which is underground at Walt Disney World. Since gtting the iPhone 4, I am experiencing 2-3 bars in 3G in the same breakrooms. This is without any case at all, just a naked iPhone 4.
As others have said, if your are not satisfied with the iPhone, return it, that is what the return policy is for.
It's a shame that there are so many frivolous lawsuits in the courts today. The iPhone 4 came out just a few days ago and because a few people have experienced this problem some money grubbing ambulance chasing law firm wants to try and set up a class action lawsuit. By the time any settlement is made the iPhone 6 or 7 (or later) will be released and all of us that are named participants in the lawsuit might get enough to buy a cup of coffee, while the lawyers reap in millions if fees that have been grossly inflated. I can hardly wait for my "settlement".
Nobody has even given Apple a chance to even address the so-called problem or put out a fix if one is needed. There isn't even any proof as to what Steve Jobs alledgedly said. From what I have read to date, this same issue is also with other 3G phones, but because this is Apple people are blowing it all out of proportion. The same thing happens with Disney, an animal can die of natural causes at Disney's Animal Kingdom and its broadcast all over CNN and MSNBC, but the same type of animal dies of the same reason in say Chicago's Brookfield Zoo and it might be a blurb in the local newspaper or newscast. Animal Kingdom and Brookfield Zoo are both accredited Zoo's and are thereore on equal footing, it's just one has Disney's name on it.
If the solution is a simple case or bumper, then buy it. Besides personalizing the phone, they add a little protection and if it solves the issue then it's worth a measly $25-30.
Anybody that thinks they are gonna get rich or get some huge refund from Apple by participating in this lawsuit really needs to have their head examined.
As previously said the only people that are getting rich are the lawyers.