Samsung’s One UI 8.5 Beta 4 update for the Galaxy S25 series is expected to roll out this week. Ahead of its release, a tipster has revealed key details about the update, including the full changelog.
The tipster shared the changelog and firmware version for the One UI 8.5 Beta 4 for the Galaxy S25. It will reportedly carry the firmware version ZZAB.

As per the leaked changelog, the Beta 4 will include an updated Bixby, which showed up on a Reddit thread earlier this month.
The update will address several bugs, including an issue with search history in the Phone app and problems with pasting phone numbers into the keypad. Additionally, it is set to include a fix for the AI Select feature.
Samsung Galaxy S25
- 128GB 12GB RAM

$ 719.99
- 256GB 12GB RAM

$ 779.99
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In another X post, the tipster noted that another new test build with firmware version ZZAD includes the Direct Voicemail feature.
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