Samsung has officially commenced the rollout of the stable One UI 8.5 update based on the Android 16 QPR2 system. The initial batch of devices receiving the update includes the S25 series, with the rollout gradually expanding to more models. Currently, devices such as the S25 series, Z Fold7, and Z Flip7 have received the update. The rollout began in South Korea, with other regions to follow suit. Users can check for and download the update through their device settings. The development cycle for One UI 8.5 was extended, with the S25 series entering a testing program in December 2025 and releasing ten beta versions. On the first day of the stable version rollout, seven models were covered, and it is expected that more Galaxy series devices will receive the upgrade in the coming weeks. Users unsure whether their device is included in the update range can refer to the official compatibility list.