We know nothing about your kid. We don't know if he's an angel or a little shit.
Without knowing more I think the bedtime rules are alright. Structure is good. If he doesn't throw bucketloads of ice water on him still snoozing 6:01I don't see a huge problem.
As for smartphone and screen time, every kid is different. These restrictions strike me more as he's been a little shit punitive. If he's never known different and doesn't mercilessly gets teased for it in school, it might be okay. Our opinion doesn't really matter as much as yours and you asked the question. So I'm sensing you may be dissatisfied with both these rules and perhaps their unilateral implementation. I would just advise you not to talk to hubby like hey I asked a bunch of strangers on the internet about your rules and here's what they thought.
You've discovered the birthday problem.