Samsung has significantly expanded its One UI 9 beta testing program to include a wider range of Galaxy devices than ever before, from flagship models down to budget-friendly A-series phones.

• The beta program now includes devices ranging from the Galaxy S26 series to the Galaxy A15 5G.
• Samsung is using this extensive testing phase to gather feedback across a broad spectrum of its smartphone lineup.
• While the stable One UI 9 update has begun rolling out for the Galaxy S26 series in select markets like South Korea, the broader rollout schedule remains somewhat unclear.