Samsung has released the One UI 8 update for two more smartphones in South Korea. The update is now available for the Galaxy Wide 7 and the Galaxy Quantum 3. These devices are regional variants of the Galaxy M15 5G and Galaxy M53, respectively.

This move continues Samsung’s aggressive software update strategy for its mid-range lineup. The rollout follows a separate update issued to five other mid-tier models earlier in the day.
Update Details and Installation Guide
The new software is based on the latest Android 16 operating system. According to the official release, the firmware version for the Galaxy Wide 7 ends with the characters CYI6. The Galaxy Quantum 3 update carries a version number ending in GYI4.
Both updates are substantial, with download sizes exceeding 2GB. Owners in South Korea can check for the update immediately. They should navigate to Settings, then Software update, and select Download and install.
What This Means for Global Users
The Korean release signals a likely imminent global rollout. The international versions, the Galaxy M15 5G and Galaxy M53, could start receiving the update as early as next week. This aligns with Samsung’s pattern of testing updates in its home market first.
For consumers, this reinforces the value of Samsung’s mid-range devices. It demonstrates a commitment to providing timely, major OS upgrades beyond its flagship models. This enhances the long-term user experience and device security.
The latest Samsung One UI 8 update is a significant step in democratizing new software features for a broader audience, proving that premium Android experiences are no longer confined to top-tier devices.
Info at your fingertips
Which phones just received the One UI 8 update?
The Galaxy Wide 7 and Galaxy Quantum 3 in South Korea have received the update. These are the regional names for the Galaxy M15 5G and Galaxy M53.
How large is the One UI 8 download?
The update is quite substantial. The download size is over 2GB for both phone models due to the new Android 16 base and feature additions.
What are the main new features in One UI 8?
Key improvements include a redesigned Quick Share interface and a fresh UI for Samsung Internet. It also brings enhanced management for alarms, calendar, and reminders.
When will the global Galaxy M15 and M53 get the update?
Based on this rollout, international models could see the update starting next week. The Korean release typically precedes the global deployment by a short period.
How can I install the update on my phone?
Go to your phone’s Settings. Then, navigate to Software update and tap on Download and install. Follow the on-screen prompts to complete the process.
Trusted Sources
Samsung Newsroom, Reuters
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