Stuck at "Samsung Galaxy S4" boot logo
Really hoping someone can help, don't know what to do.
Rooted a week and a half or so ago, went fine and phone seemed to work as normal. I then installed the TWRP recovery a few days ago, and the next day tried loading the Synergy ROM. It began to have a problem booting up, and would freeze at "Samsung Galaxy S4" white letter logo in the beginning. Tried restoring stock nandroid, tried reloading Synergy, with many wipes in between. Once in a while it would boot up, but today I couldn't get it to boot at all.
I then followed the flash to stock instructions with Odin, which allowed it to boot the first time (though it was weird, it didn't look it did when I first got the phone with initial setup, and icons on the homescreen were much bigger than normal). I then tried rebooting it, and I get the same hangup at the logo.
Is there anything I can do, or should I be trying to return the phone for another one? If I have to return it, is it "stock enough" that I could return without a hassle from Verizon?
Any advice would be HUGELY appreciated! Thanks in advance....