FRP issue / Cannot get into ODIN either
I used Flashfire to install this ROM. I also added the step to perform a system wipe at the same time with Flashfire. It seemed to install OK with no errors. However, I did not remove my Google accounts from the phone before flashing or wiping. This seems like a mistake in retrospect.
For my installer options, I did not install any ATT or Samsung bloat, but I did choose to install KNOX and Xposed mod.
The new ROM successfully booted after ten minutes. However, I encountered the FRP "Not signed in" dialog. Whenever I click the "SET UP PHONE" button, I'm returned to the same dialog.
I am trying to perform the steps in the "disable frp lock" thread. I downloaded the engroot boot image, but I cannot seem to install it. I cannot get into ODIN. Any help would be appreciated. In the meantime I will try to start my phone into the ODIN screen.
UPDATE 1: I got to ODIN mode. I was holding down only two buttons, I also needed to press the home button. I flashed the engroot image, rebooted (to black screen), and issued the dd command. Still trying to get my phone booted correctly; I still have black screen. Will update.
UPDATE 2: I flashed ENG_BOOT_J320A_PG1.tar over the engroot image and rebooted. Phone seems OK now. Phew.