Dropping Calls on Sprint Galaxy S3

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Just got my S3, and I'm dropping calls in areas where my SE4GT didn't. The calls are either dropping, or are 'breaking up', in the words of multiple people at different phone numbers I'm calling.
The common denominator is that the Calls start off strong, and then within seconds, start to break up then drop.
Maybe the device has to be held a certain way, as with the iPhone. Just throwing that out there, as I don't know.
I'm still trying to isolate the issue.
I've read that this is happening to others, and may be a radio problem.
I just don't want to exchange device if this is a wide spread device issue, which appears to be undetermined yet.

Update:
After calling the same number from my Sprint number, and having the calls (5) fade and drop off within seconds, I called the same number from my GV #, and the call was successful. The call lasted over 1 1/2 hrs. without issue.
Imo, the above rules out an S3 issue, and the issue is with Sprint and the Network, or the Network/Switch of the person I'm calling, in regards to how their Network is handling the Call from the Sprint number.

For what it's worth, I haven't had any such issues with my sprint s3, signal strength in much of my town is sketchy.

Maybe certain S3's had an issue, and I need to exchange mine.
I'm uncertain at this point, as I just got the S3 on Tues.

Please see the Update in the OP.

My gf and I have the same issue. Ive dropped more calls with this phone than the entire 6 years ive been with sprint. Its the samsung radios. Not sure about returning it and getting another unit since it happens in my gfs as well. Its frustrating, my phone also roams in my house which has always had close to a full signal on every other phone ive owned including the epic touch 4g.

Sent from my SPH-L710 using xda premium

Dropping calls as well. My friend too. The radios suck on this phone, so if you're in a marginal coverage area, you'll be dropping more calls with the S3.

Originally Posted by kronium

Dropping calls as well. My friend too. The radios suck on this phone, so if you're in a marginal coverage area, you'll be dropping more calls with the S3.

I'm dropping calls in areas I didn't have trouble with my SE4GT.
On a side more, I'm not too happy with the camera on my S3, compared to my SE4GT.
On the S3, indoor pics are not as sharp, and are grainy, and the flash washes out the pics.
I thought the dropping call issue may be either:
- Hardware related
- Sprint testing of towers preparing for LTE
- a lemon S3
Regarding the camera issues, I thought may be:
- hardware related, and issue is with all the S3's
- a lemon

Because of the uncertainty regarding the causes of the above, even after extensive searching, I've decided to exchange my S3 for another S3, since I'm within my 14 day return/exchange period.

If the above issue or issues are resolved, then I just had a 'bad' S3.
If the issues aren't resolved, then:
- I got another lemon, which would be doubtful
- or these issues are inherent to all S3's

Hopefully at least one of the issues will be resolved.
I'd rather not switch devices, as I've got my current S3 just right regarding apps, programming, etc.
But I had to try another S3.

If neither issue is resolved with the replacement S3, maybe a future update will resolve one of these issues.

I'll see how it goes with the replacement.
I'd hate to see that the S3 has issues which the SE4GT never had. That's a step backwards, and if true, I most likely made the wrong decision to exchange my S3, and should have just returned it, and reactivated my SE4GT.
Hopefully though, the exchange will make a difference.

I have:
Hardware version:
L710.14
Does anyone know what the current hardware version is, if it has been updated?

I had the same issue with mine, poor signal, but even with the signal reported as ridiculously low I can still place a call.

I exchanged my first phone and thought the new phone was better, the Sprint store has the cell tower in the parking lot so it's hard to tell.

The first thing the phone did when I got home was update software, so I don't know how it would have worked before but after that my signal has remained poor.

I have tried all the other modems and not seen a measurable difference from one to the next.

Also my indicated signal strength vary around wildly swinging from lows below -220 to highs of -90 at home.

Other times closer to a tower I am getting -75, but it falls of very quickly.

This dropping of calls is getting really anoying. It's happening everywhere I didn't have issues with the SE4GT. It's like I know when I make a call, that I'm gonna hear the other side say, "I can't hear you, you're fading out!"
I thought GV solved it, I thought maybe it's a fluke. But the bottomline is, I'm fading and then dropping calls.
I'm thinking it's an internal antenna issue, andd holding the phone a certain way matters ala the iPhone.
But I'm not sure what the issue is, except that it IS an issue.
Is it Sprint working on the Towers?
Is it the LTE Radio in the S3?

I'm hoping the replacement fixes this crap, But I'm not so sure.

i drop quite a few calls as well in areas that i did not previously before. I am also getting alot of failed call attempts and have to redial the number a 2nd or 3rd time to make the call go through... not sure whats up with that.

if you are refering to making a call and it conects for a second then ends the call.
this is a known issue with sprints network and the samsung galaxy and the nexus lte line of phones
IE the S2, Nexus, LTE, and S3.

Sprint knows about this and is supposedly working on it.
(i have seen this problem with INTL GSM phones but i cant speak to there issue as its a total different radio and software)

IMPO it is an issue with the phones radios and software trying to talk to sprints network and getting booted or disconnecting.

IE its the Little seceret your not suposed to know about
(it affects Making 911 calls to)