Group 1 - The article promotes a rewards program where users can redeem points for discounts on phone bills, with a maximum discount of 25 yuan per transaction and a monthly cap of 25 yuan [2][4] - The promotional period for the phone bill discount activity is from August 1, 2025, to September 30, 2025 [2] - Users can check their available points and how much they can redeem, with 700 points equating to a 1 yuan discount [4] Group 2 - The article emphasizes that the discounts from this activity cannot be combined with other promotions, such as "phone bill red envelopes" [4] - The content includes advertisements related to the rewards program [7]