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Samsung is working to fix Galaxy S25+ and Galaxy S25 Ultra charging issues

Samsung has officially confirmed that both the Galaxy S25+ and the Galaxy S25 Ultra have issues with certain charging cables after numerous users complained that charging was way too slow or inconsistent. The South Korean company is already working on a solution.

Shortly after the Samsung Galaxy S25+ and Galaxy S25 Ultra launched, complaints about the flagships' charging behavior have been piling up in Samsung’s Community Forum and on Reddit. Some early adopters have reported that the smartphone only charges for a short period of time before the charging stops and then restarts. This cycle repeats itself until the smartphone is fully charged, which makes the entire process much slower.

For other users, the issue simply causes very slow charging with 5 to 10 watts, which means that a full charge can take several hours longer than it should. Samsung Italy has now officially acknowledged this problem. Samsung is aware of a problem with 5A cables, which is supposed to be fixed with an upcoming software update. However, Samsung has not specified a specific time frame for the rollout of this much-needed bugfix.

USB-C cables that support 5 amps are usually advertised with a maximum charging power of 100 watts or more, while cables that can charge devices with up to 60 watts only use 3 amps at 20 volts. Under certain circumstances, switching to a USB-C cable that does not support the fastest USB-C Power Delivery standard may fix this issue. The cable that is included with the Samsung Galaxy S25+ and Galaxy S25 Ultra is apparently not affected by this problem, but some users have experienced similar hiccups with this cable.

One UI 7 might not bring this awesome Galaxy AI feature on older devices...One UI 7 is one of the biggest software upgrades for Galaxy devices in recent years. It was released with the Galaxy S25 series at the Galaxy Unpacked event in January. The newest flagship phones running One UI 7 pack a host of software goodies, including several Galaxy AI features such as Now Bar, Now Brief, and more. Since these features were unveiled alongside One UI 7, many (including some of us at Gizmochina) assumed they would also roll out to older Galaxy devices with the update. But that won’t be the case as some Galaxy AI features may remain exclusive to the Galaxy S25 series.

Sally Jeong, EVP and Head of Framework R&D at Samsung MX, revealed some interesting details about the One UI 7 software in a recent interview published by Samsung Indonesia. She said that planning alone took more than two years before development even started. This is probably the biggest reason behind the significant delay in the release and rollout of One UI 7.

During the interview, Sally was asked about the role of NPUs and GPUs in powering these new AI features on the Galaxy S25, and the response was quite surprising. Samsung’s AI features can be divided into two categories: those that rely on on-device hardware and those that rely on the cloud. Sally said the “Personal Data Engine” in One UI 7 that powers features like Now Brief requires advanced chipsets and hardware like the Snapdragon 8 Elite on the Galaxy S25 series. 

Sally also mentioned that cloud-based AI features, such as Circle to Search, are easier to roll out to a wide range of Galaxy devices. But for deeper on-device AI experiences, powerful hardware is required. This means some AI features that require extensive on-device processing might not come to older Galaxy devices after installing One UI 7.

The Samsung executive didn’t specify which Galaxy AI feature won’t make the cut to older Galaxy devices, nor did she reveal details about the ineligible devices. Now Brief could be one of them, which has, so far, not been seen in the One UI 7 betas for the Galaxy S24 series, as spotted by Android Police.

We’ll get to know more as and when One UI 7 starts rolling out, which is already too delayed. Samsung still hasn’t announced the rollout plans. If leaks are anything to go by, we shouldn’t expect it anytime soon, at least before April. You can read more about it in our One UI 7 section.

mundophone