Some Samsung Galaxy S24 and Galaxy S25 owners report reduced battery runtimes and heavy idle drain following the Android 17-based One UI 9 update. These issues currently appear isolated. Suggested troubleshooting options include restarting the device, force-stopping rogue applications, and completing a factory reset.
Samsung Galaxy S24 and Galaxy S25 owners are encountering noticeable One UI 9 battery drain following the wider rollout of the Android 17 update. A decline in battery life on older hardware after a major software upgrade is a familiar pattern, and runtimes have worsened considerably for a subset of users.
Complaints began surfacing as the update reached wider circulation. SammyFans spotted a report from one user whose phone died in just over 5 hours, admittedly during heavy use. Additional discussions on Reddit describe increased idle battery drain, with handsets losing power quickly while sitting idle. Similar reports have emerged across the Galaxy S25 series as well. One owner stated that they now have to “charge my phone 3 to 4 times a day,” with other commenters mirroring that problem.
So far, these reports appear to be an exception. The complaints are not widespread, nor are droves of other users reporting the exact same trouble. Major system updates like this simply tend to go a little rogue sometimes on individual devices. For owners facing sudden battery loss, troubleshooting steps can help restore normal performance. Practical options include rebooting the phone, force-stopping rogue applications, or performing a factory reset if severe battery consumption continues.
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Robert Haba is the founder and editor-in-chief of Droid Tools. A lifelong gadget enthusiast with over a decade following the Android ecosystem, he built this publication to cut through the noise and give readers honest, real-world coverage of the tech they actually use.
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