Samsung has just unveiled its foldable phones, the Galaxy Z Flip6 and Z Fold6, but news about the Galaxy S25 series is also piling up.

As Samsung's highest-end straight-screen flagship model in recent years, the Ultra version of the Galaxy S series has garnered significant attention from consumers due to its outstanding performance. With the continuous exposure of details about the upcoming Galaxy S25 Ultra, sources have recently revealed further insights into the hardware configuration of this top-tier flagship.

Firstly, according to the leaks, the top-spec model, the Galaxy S25 Ultra, will undergo significant design changes.

It is reported that Samsung has finalized the designs for the three models in the Galaxy S25 series. Among them, the Galaxy S25 Ultra will adopt an asymmetric border design to improve grip comfort. Sources claim that the side borders of the rear panel will be more rounded, facilitating one-handed use, while the front borders will be straighter. Additionally, this design may make the phone's borders appear narrower, though it's unclear how Samsung will achieve this. Notably, the overall width of the Galaxy S25 Ultra will remain the same as its predecessor, but the side borders will be narrower.

Furthermore, leaks indicate that the Samsung Galaxy S25 Ultra measures 8.4mm in thickness, making it the thinnest model in the S Ultra series in recent years. The S21U to S23U models were 8.9mm thick, while the S24U was 8.6mm. The leaks also suggest that Samsung's design philosophy does not compromise on camera performance, steering clear of the "Oreo" design trend.

The rounded corners of the Samsung Galaxy S25 Ultra can be referenced to the Galaxy Note7.

From the leaks, it is evident that Samsung still places great importance on the handfeel of its new flagship and is striving to make it thinner. In the current S24 Ultra, Samsung remains restrained in terms of camera bumps but does not lag behind other domestic flagships with prominent camera bumps in imaging performance, reflecting the strength of Samsung's technology.

This means that the Samsung Galaxy S series is finally set to undergo a significant design overhaul.

In recent years, Samsung has shared many similarities with Apple in terms of product launches and designs. For instance, the iPhone's design has undergone minor changes, with borders evolving from rounded to right-angled and then to right-angled with rounded corners. The camera layout has also shifted from vertical to diagonal and back to vertical. Additionally, material upgrades have been made, from aluminum alloy to stainless steel and now to titanium alloy. Samsung has followed this trend, replacing stainless steel with titanium alloy in this year's S24 Ultra series.

Furthermore, it is reported that the standard and Ultra versions of the Samsung Galaxy S25 series have appeared in the IMEI database, but no Plus version has been found.

Some speculate that Samsung may discontinue the Plus model in next year's S series.

Based on previous leaks, the Samsung Galaxy S25 series will bring a series of hardware upgrades and design adjustments. It is expected to be equipped with an upgraded version of Samsung's in-house Exynos chip, potentially introducing more Galaxy AI features.

The edges of the Samsung Galaxy S25 Ultra may be more rounded, measuring 8.4mm in thickness, and the rear camera setup may include a 50MP ultra-wide-angle lens, a 200MP main camera, a 50MP 3x telephoto lens, and a 50MP 5x telephoto lens.

Moreover, the Samsung Galaxy S25 Ultra's ultra-wide-angle camera will adopt a new 50MP ISOCELL JN1 sensor with a sensor size of 1/2.76 inches.

According to public information, the ISOCELL JN1 is Samsung's first 0.64-micron 50MP image sensor. Compared to existing sensors, it achieves higher pixel counts with a smaller chip size, enhancing mobile photography performance while enabling a slimmer design.

Sources also indicate that the Samsung Galaxy S25 Ultra will upgrade its 3x telephoto lens with a new 1/3-inch ISOCELL sensor, slightly larger than the current sensor and offering higher resolution than the current 50MP.

All cameras on the phone, except for the ultra-wide-angle lens, will feature OIS to improve anti-shake capabilities and imaging quality in low-light conditions.

The front camera of the Galaxy S25 Ultra may remain the same as its predecessor, retaining a 12MP sensor.

From the above information, it appears that the Samsung S25 Ultra may have made certain trade-offs in its ultra-wide-angle lens, possibly due to space constraints within the phone, allowing it to balance design and imaging capabilities. Additionally, rumors suggest that the S25 Ultra is preparing a new image processing algorithm, though specific details are currently unavailable. Nevertheless, the S25 Ultra's imaging capabilities are expected to show marked improvement over its predecessor.

Furthermore, the battery used in the Samsung S25 Ultra has reportedly obtained certification from the Bureau of Indian Standards (BIS).

The certified battery models for the Samsung S25 Ultra are EB-BS938ABE and EB-BS938ABY. However, the BIS certification documents do not mention the battery capacity, which is standard practice for such certifications. Nevertheless, it is reasonable to assume that Samsung may continue to equip the S25 Ultra with a 5000mAh battery. This capacity is sufficient for the Ultra series, especially considering the high energy efficiency of current smartphone chips.

While Samsung's standard models tend to be conservative in battery specifications, the Plus and Ultra versions offer ample battery capacity, particularly the Plus models, which have seen consecutive generations of upgrades, with the S24+ approaching the battery capacity of the Ultra version.

Since the launch of the Galaxy S21 Ultra in 2021, Samsung's Ultra series has consistently used 5000mAh batteries. There were rumors that Samsung was developing stacked batteries, but according to recent reports, due to cost considerations, Samsung has postponed this technology until the Galaxy S26 series.

Sources indicate that Qualcomm has raised the price of its flagship processors, with the cost of the Snapdragon 8 Gen 3 flagship chip estimated at $200, and the cost of the Snapdragon 8 Gen 4 chip in the Galaxy S25 Ultra is even higher, putting pressure on Samsung's profits. Therefore, the delay in the stacked battery technology was an inevitable decision.

Additionally, leaks suggest that the next-generation flagship Samsung Galaxy S25 standard model will still start with 8GB of RAM.

Currently, domestic Android phones priced at just over $100 already offer 12GB or even 16GB of RAM, with some models boasting 24GB. However, Samsung's flagship Galaxy S series still insists on starting with 8GB of RAM, giving the impression of being "unambitious." As a result, some netizens have criticized Samsung's RAM offerings as being as "golden" as Apple's.

If the Samsung Galaxy S25 standard model continues to start with 8GB of RAM next year, even with higher specifications, its appeal to consumers may be significantly diminished.

It is worth noting that while rumors suggest Samsung may equip the S25 series with three different chipsets, the Ultra model may exclusively adopt Qualcomm's Snapdragon platform globally, similar to the S24 Ultra.

It is also worth mentioning that previous reports stated that the Samsung S25 would introduce MediaTek chips for the first time. This will mark Samsung's first time incorporating MediaTek chips into its flagship lineup, adopting a three-pronged strategy with Samsung's in-house Exynos, Qualcomm, and MediaTek chips. This move could help MediaTek gain a foothold in the flagship market. Samsung's previous flagship S series phones have used either Samsung Exynos or Qualcomm Snapdragon chips, but recent issues with Samsung's 3nm process yield rates and Qualcomm's plans to significantly raise chip prices have increased Samsung's willingness to adopt MediaTek chips.

Qualcomm has been releasing new flagship phone chips annually and has tailored versions for Samsung's top-end phones. For Samsung's current S24 series, including the S24 Ultra and the S24 Plus and S24 launched in some regions, Qualcomm's Snapdragon 8 Gen 3 chip, specifically designed for the Galaxy, boasts advanced AI features.

Samsung and Qualcomm have a close partnership, with Qualcomm outsourcing some chip manufacturing orders to Samsung's foundry division, and Samsung's phone chips also partially adopting Qualcomm's main chips, making them mutual customers. If MediaTek successfully enters Samsung's phone supply chain with the Dimensity 9400, it will mark a significant milestone for the company.

Some foreign media outlets have also mentioned that the future Samsung S25 Ultra, like its predecessor, is expected to be equipped with Qualcomm's Snapdragon chip regardless of the region in which it is sold. Qualcomm may also dominate the US market for the S25. However, if some S25 products are launched in Europe, India, or South Korea, it is possible that Samsung's in-house chips and MediaTek chips may be used interchangeably.

At present, it is unclear whether the Samsung S25 Ultra will feature satellite communication capabilities.

Leaks about the Samsung Galaxy S25 series are scarce. Based on currently available information, it is speculated that the series may expand screen sizes and introduce satellite communication capabilities. Additionally, some reports claim that Samsung may procure camera sensors from Sony for the Galaxy S25 series.

However, everything remains speculative at this point. With six months to go until 2025, we must patiently wait for a clearer picture of Samsung's next-generation Galaxy S flagship phones.

Finally, while it may be premature to focus on the S25 Ultra now, it is certain that Samsung has put a lot of thought into its next-generation devices. As the release date of the S25 Ultra approaches in 2025, we will learn more about this new phone throughout the year.

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