Samsung has started rolling out stable One UI 9.0, based on Android 17, to the Galaxy A15 5G, according to Mohammed Khatri. As usual, the first release is in South Korea. It arrives after three beta builds, including One UI 9 Beta 3, which fixed restarts after the software upgrade, and about a month after Samsung opened the beta program for the phone.
| Detail | Information |
| Device | Samsung Galaxy A15 5G |
| Update | Stable One UI 9.0 (Android 17) |
| Firmware | A156LKSUAEZJC |
| First market | South Korea |
| Previous builds | Three betas |
| Download size | Not reported |
The firmware belongs to the South Korean Galaxy A15 5G, so it doesn’t cover other regional variants or the Galaxy A15 4G, which usually gets its own build later. Samsung typically expands the rollout to other markets in stages after South Korea, but no dates have been announced. The update is the same One UI 9 that has been reaching other Galaxy A-series phones, like the Galaxy A55 and A35 in South Korea.
To check for it, open Settings, tap Software update and select Download and install. If it doesn’t appear, the update hasn’t reached your region or variant yet.
M Adnan Akram is the founder and lead writer at Phoonomo, covering mobile technology with a primary focus on Samsung and the broader smartphone industry, alongside emerging developments in AI. He follows product launches, spec leaks, and industry trends closely to keep readers informed with timely updates.
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