- Dec 4, 2012
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The 9100 or international version was the first.in Feb 2011. The E4GT was released Sep 2011 and was the first U.S. carrier specific version. Then the I777 was released on AT&T in Oct 2011. They were announced at the same time, but the phones are slightly sized different. They have different processors, different batteries and weigh slightly different.
There was/is a weird memory issue with the E4GT that can cause a permanent brick if you're not careful what you flash. I do not know if this is still an issue, but being hardware I would imagine it is.
I think it was more the case of people not being careful what they flashed or not fully realizing that they needed a specific ROM for their device. I have flashed many ROMs and recoveries and have had no problems.
Sent from my GT-P3113 using Android Central Forums