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Samsung Galaxy S25 Ultra battery and Charging test: Upgrade results

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Galaxy S25 Ultra battery Charging Test

The Galaxy S25 series is now official. Even, the Samsung Galaxy S25 Ultra is designed with convenience in mind and super fast charging is an important part of delivering that experience. Despite the Galaxy S25 Ultra and S24 Ultra having similar battery and charging specifications on paper, the latest flagship offers decent upgrades over its predecessor in real-life usage, as per the TechDroider’s battery and charging test.

Galaxy S25 Ultra battery and Charging Test: Speed and heat results

According to the charging test, the Galaxy S25 Ultra fully charges (from 0% to 100%) in about 57 minutes with a 45W adapter. This is a significant difference compared to the Galaxy S24 Ultra, which usually takes 1 hour and 11 minutes, meaning the S25 Ultra takes 15 minutes less time to charge.

Details of events from the video The Galaxy S25 Ultra’s 5000mAh battery took 10 minutes to reach 17%, 20 minutes to reach 40%, 30 minutes to reach 60%, 40 minutes to reach 80%, and 50 minutes to reach 96%. Here, the charging speed momentum fluctuated a bit, see here:

  • 17% – 10 minutes
  • 40% – 20 minutes
  • 60% – 30 minutes
  • 80% – 40 minutes
  • 96% – 50 minutes
  • 100% – 57 minutes: Tested by TechDroider
Galaxy S25 Ultra battery Charging Test
Galaxy S25 Ultra Charging Test | TechDroider

According to Samsung, the Galaxy S25 Ultra’s 5000mAh battery took 30 minutes to reach 65%, while as per testing done by TechDroider, the phone’s battery took 30 minutes to reach 60%.

This test ensures that you are able to make the most of the S25 Ultra’s fast charging capability, read on and find out the requirements for super fast charging.

The temperature of the Galaxy S25 Ultra after 57 minutes of charging using the 45W adapter was 25.7 degrees, which was slightly higher than the room temperature of 21.3 degrees, which makes sense because the device was charging.

Galaxy S25 Ultra battery Charging Test temperature

Don’t forget to turn on fast charging on your Galaxy S25 Ultra. Here’s how:

How to turn on Super fast charging

The Galaxy S25 Ultra device has a built-in fast and super fast charging feature. To activate this feature, follow the steps below:

  • Go to Settings
  • Scroll down and tap on Battery and Device Care
  • Tap Battery
  • Click Charging settings
  • Turn on Fast charging toggle

Nothing’s PD charger is supported, while OnePlus charger and cable are unsupported

As per the YouTuber who tried in the video, Nothing’s PD charger and cable support Samsung’s fast charging mechanism. Whereas, OnePlus’ charger and cable, do not activate fast charging on the Galaxy S25 Ultra.

Yogesh is the main content creator at SammyMobiles and mostly works on Samsung firmware and software expert, he keeps his eyes open for new software rollouts, beta programs, and other software-related activities. Apart from the world of technology, he also takes care of his garden.

NEWS

One UI 8.5 gets a redesigned YouTube card for Now Brief

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One UI 8.5 Now Brief YouTube

Samsung recently rolled out the latest One UI 8.5 beta build for the latest Galaxy flagship smartphones. The new One UI 8.5 beta version brings some changes and improvements, giving users an early taste of the new software. Additionally, One UI 8.5 includes a redesigned YouTube card for the Now Brief.

With One UI 8, the “YouTube card” in the “Now Brief” recommendation for watching show videos vertically as a list can only show two videos.

Now, with One UI 8.5, the YouTube card in “Now Brief,” which shows recommendations horizontally in a carousel that you can swipe through, now shows up to ten videos, along with larger feature images for each video.

If YouTube videos aren’t showing on your Now Brief feed, you can navigate to and open Settings, then tap Galaxy AI, and then tap Now Brief. Then, tap Content to include and enable the YouTube switch. When you’re finished, tap Back.

Earlier this week, Samsung launched the One UI 8.5 beta program for the Galaxy S25 series. Soon, the company may expand the beta program to phones in the Galaxy Z lineup and older Galaxy S series devices.

The One UI 8.5 beta update makes Galaxy AI image creation easier, improves device connectivity, improves Smart Quick Share, lock screen, and weather tools, enhances Samsung Health insights, strengthens security, enhances battery management, improves accessibility, adds upgrade reminders, and more.

One UI 8.5 Now Brief YouTube

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 Galaxy Z Flip 7, Fold 7 models receive December 2025 security update, next could be One UI 8.5 Beta

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Galaxy Z Fold 7 December 2025 update

Samsung has released a new update for the Galaxy Z Flip 7 and Galaxy Z Fold 7 smartphones, which installs the December 2025 security patch update to improve system security and stability. According to reports, the update is already live for users in Korea, and the company will soon release it in other countries as well.

The December 2025 security update for the Samsung Galaxy Z Fold 7 and Galaxy Z Flip 7 smartphones has arrived with One UI build versions F966NKSS6AYKE and F766NKSS6AYKE. This is an initial rollout, so it may take a few hours or days to reach all models.

The December 2025 security patch fixes 57 security vulnerabilities present in the previous version of the OS.

Notably, this update is based on Android 16 and One UI 8. And the device is eligible for One UI 8.5 beta based on Android 16. On December 08, Samsung opened the beta program for the next version of One UI 8.5 only to the Galaxy S25 series. Plus, the Galaxy Z Fold 7 and the Galaxy Z Flip 7 will be the next devices in line.

Although the exact release date hasn’t been revealed yet, it’s expected to be released sometime in December 2025. The company plans to begin the stable rollout of One UI 8.5 with the Galaxy S26 series next year. More users will receive the update shortly afterward.

So, if you are using the Galaxy Z Fold 7 and the Galaxy Z Flip 7 smartphone, install the latest security update now to make your device ready for future updates. The next update could be One UI 8.5 Beta.

To manually check for security updates, go to your phone’s settings. At the bottom, you’ll find the Software Update section; simply open it. In the submenu, if your device receives a new OTA update, you’ll need to tap the Download and Install button.

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One UI 8.5 private album to Gallery app: Check what’s new in this feature

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One UI 8.5 private album

Samsung has unlocked several productive features with One UI 8.5, but are you aware of the “Private Albumtool in the Gallery app? Yes, it’s a new hidden feature that the company didn’t mention in the changelog. But it offers several useful benefits for device owners.

As the name suggests, the Private Album feature in the One UI 8.5 Gallery app hides sensitive photos and videos in your private album so that they don’t appear in the gallery or other apps.

Following long-standing demand and interest from fans, Samsung is finally introducing a private album feature that Galaxy users have been requesting for years. Until now, the only way for Galaxy users to hide sensitive photos and videos on their Galaxy devices was the Secure Folder.

Now let’s see how you can use the One UI 8.5 private album in the Gallery app.

Before proceeding, users should ensure their device is running the latest One UI software version. The One UI 8.5 build is currently only available for a limited number of eligible devices. However, Huawei may soon bring these impressive improvements to more models.

To begin with, open the Gallery app. Select desired images. Once done, tap More (⋮), click on the Move to private album in the toolbar below.

via sammobile.com

How to access a private album in the Gallery app.

Galaxy users can access their private albums by tapping the menu button on the home screen of the Gallery app. It unlocks with your fingerprint or whatever screen lock method you use, providing enhanced privacy. However, Samsung disables the screenshot functionality within this feature for added security.

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