$540 via promo credit when you add a new smartphone line with your own 4G/5G smartphone on postpaid Unlimited Plus plan between 5/18/23 - 5/31/23 & port-in req'd. Promo credit applied over 36 months; promo credits end if eligibility requirements are no longer met.
No. I have been able to stream Netflix on both my TV and Laptop with no issues. I do notice that sometimes Netflix and even my Apple TV will hit a wall every couple weeks for an hour and have issues streaming.
Normally I just reset the router and device I am trying to stream on and it works great.