Samsung's One UI 8 Hinted to Fix One UI 7 Battery Drain Issues

Samsung began rolling out the Android 15-based One UI 7 to its eligible Galaxy devices in April. Users are happy with the revamped UI, new features, and customization options. However, they have been complaining about a battery drain issue in the firmware. Fortunately, a new report hints at a remarkable battery life in the upcoming One UI 8 update.

Improved battery life in One UI 8

Reliable tipster Tarun Vats has shared some exciting screenshots on X/Twitter, hinting at a potential battery life improvement for Galaxy devices in the upcoming Android 16-based One UI 8 update. These screenshots show a Galaxy S25 Ultra running an early beta build (ZYEF). The device achieved an impressive 8 hours of screen-on time with 13% battery still in the tank. Even more encouragingly, the initial hours of usage showed a battery consumption rate of around just 10% per hour.

These numbers were achieved with the phone set to QHD display resolution and primarily using Wi-Fi. Considering Samsung is still sticking with 5,000 mAh batteries, this kind of efficiency is definitely noteworthy. Devices like the new Galaxy S25 Edge, whose extreme thinness limited its battery capacity, will surely appreciate this boost in efficiency. There’s still hope that they’ll make the jump to higher-density batteries down the line, which could lead to even better endurance in future phones.

The tipster also added a little plea, expressing hope that Samsung “doesn’t mess it up by stable.” In other words, he’s praying that the battery life performance seen in this beta build makes it to the final, stable version of One UI 8. After all, it wouldn’t be the first time that a “stable” update ruins good things seen in betas.

Could this be a sign that Samsung is addressing the battery concerns some users have experienced? It’s still early days for One UI 8, but these initial battery life figures on the S25 Ultra look promising. Fingers crossed that this translates to a great battery experience for everyone when the update rolls out.

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