Question [Q] Which Model of Galaxy S4 have minimum issues, I9500 or I9505

I would like to purchase the Samsung Galaxy S4, but i have little bit confusion about the I9500 and I9505.
I have checked the S4 User Reviews,
As per Users They face multiple issue in S4,

1) Heat-up issue or Overheating issue
2) WiFi disconnection issue
3) Play-store and Apps Crashed issue
4) Battery Drain or Low Battery Backup issue
5) Camera Crashed issue
6) Random rebooting issue
7) Hang or Stuck some time

So your suggestion is required which Model of S4 have minimum issues, I9500 or I9505
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