I know this is kind of old, but it is the first topic that I found...
I am also wondering about parts compatibility between the different variants of phones. I just purchased the Verizon variant (SCH-I515) in rough shape, but good ESN, off of eBay for under $20. I am wondering if the screen and digitizer from the Sprint variant (SPH-L700) would work on it? I am seeing my of the Sprint versions with good glass and bad ESNs at the moment...
Thank you very much in advance for your input and/or for pointing me to a solution!