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Mine is a week 25, and I have no problems, either. It is dependent upon location, not the week it was manufactured.
 
Had a brand new week 30 as of Friday, but it switched between ring and vibrate without the switch being toggled (just touching the area near the switch triggered it), which is ironic because my 3G had the same problem. Newer phone (week 29), seems a bit more prone to reception issues, but perfect otherwise.
 
Are you in an area with generally good AT&T reception?

Nope not always. I'm in the LA area when I'm home but I work for an airline and travel to a lot of podunk places (i.e. nowhere Nevada, Kansas, Montana, Nebraska, etc.) and so far so good other than just the typical poor reception I always get out there pre-iphone 4.
 
Week 30, signal plummets with death grip.

It is definitely dependent on location. At best I get 4 bars at home, but it will drop to 1 on command.

Hmmm. Mine won't do anything like that. Eh. As long as it has no issues in the places I typically travel, I'm fine with it. Though I honestly wonder how many people have issues at all if they're keeping it in some sort of case and not squeezing the hell out of it.

In truth, as pretty as the phone is, it needs some kind of case. It's glass. And even the most minimal case (a bumper) corrects the antenna issue. Er. Unless people are squeezing like mad. Do people really grip phones that tightly? I've just never done that. Granted, I'm a small woman. My husband isn't a tiny dude, and he doesn't hold his phone so tightly either. :confused:
 
Nope not always. I'm in the LA area when I'm home but I work for an airline and travel to a lot of podunk places (i.e. nowhere Nevada, Kansas, Montana, Nebraska, etc.) and so far so good other than just the typical poor reception I always get out there pre-iphone 4.

That IS good to hear!
 
My sister in law just picked up a Week 30 on Thursday night and she was over yesterday. I have launch day week 25 phone and when I touched both phones in the magic spot and the both performed the same, the signal gradually went down. Hold in your hand in the death grip or layed side by side on a table and use one finger to bridge the seam did pretty much the same on both phones.
 
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