Maybe it's just me, but we don't seem to be communicating. As I just said, I did NOT root B309. Nor 320 or 321. No twrp with Lollipop, ever.
Are you still saying that I need to go back to 309?
Yes. That is when issues started. If you didn't have twrp or anything it maye have occurred during the update. They made significant changes after 309. Selinux included. Just to make sure as soon as 309 boota format SD in settings. If it has persisted through two updates it will likely carry over every time. 320 to 321 did not touch SD. It should have done it the first update but something obviously went wrong.
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