A leaked timeline suggests Samsung's One UI 9 update will begin rolling out to Galaxy S26 and Galaxy S25 series devices in late August to September.

• The alleged timeline indicates One UI 9 will ship pre-installed on new Galaxy devices in early August.
• This information reportedly comes from Samsung Customer Support via a Samsung Members community post.
• Older Galaxy flagships, Galaxy A series phones, and tablets are expected to receive the update in late 2026.