$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.
Has anyone updated S20 phones to the new "System Update 10". Does this do anything significant or fix anything to improve the S20? - - Any problems with it?