YeaH bro it happened in safeI created a new thread for your question, since you had originally posted this in an existing thread about an upside-down camera problem.
Can you describe the flickering, or perhaps take a video of it using another device and sharing the link here? Is the screen actually blacking out intermittently, or is it more like a shimmer?
Does the problem happen in Safe Mode?
EDIT: I also found the other thread you started and merged the two together.