[Bug] ✏ Upgrade to FP Open 17.06.4 renders phone useless (freezes once booted and reboots itself)

I’ve now done what the post suggested.

Now my phone is stuck in a cycle:
Android is starting - optimizing App xx of xx
Android is starting - starting App xx of xx
then the Fairphone-screen appears with “loading” flashing
and then it falls back to optimizing the Apps.

should i try what’s mentioned here?

It sounds like maba007 didn’t boot before updating to 17.04.6?!?