The samsung galaxy s25 ultra is shaping up to be Samsung’s next big flagship, the kind of phone that sets the tone for the year. If you live in Aotearoa and you’re weighing an upgrade, this guide walks you through what it is, how it works, what’s likely coming, and how to choose the right model and plan in New Zealand. You’ll also find a clear pros and cons rundown, a practical setup checklist, and quick answers to common questions Kiwis ask before launch.
What is
The samsung galaxy s25 ultra is expected to be the top model in Samsung’s 2025 Galaxy S series, sitting above the Galaxy S25 and S25+. Think: big screen, built-in S Pen, premium cameras, and Samsung’s longest software support. It should arrive globally in the first part of the year if Samsung follows its usual Unpacked-to-retail cadence, with New Zealand availability through Samsung NZ and major carriers not long after.
Samsung’s “Ultra” phones are designed for power users—people who sketch with the S Pen, shoot in RAW, edit video on the go, push desktop-like workflows with DeX, or just want the brightest screen and sharpest zoom in the lineup. The samsung galaxy s25 ultra continues that playbook, with more Galaxy AI features and refinements driven by user feedback from the S24 Ultra generation.
How it works
Under the hood, an Ultra phone is a carefully balanced stack of hardware, software, and services. Here’s how the key pieces are likely to fit together on the samsung galaxy s25 ultra, based on Samsung’s trajectory and widely reported industry expectations. Treat the specifics as provisional until Samsung confirms them.
Performance and thermal design
Samsung typically equips the Ultra with the fastest Snapdragon chip available at launch, tuned under the “for Galaxy” banner. Expect next‑gen CPU and GPU performance for gaming, 4K video editing, and AI workloads, with improved cooling to keep sustained speeds stable. That matters for New Zealanders using the phone as a mobile hotspot, for DeX, or for long camera sessions in summer heat.
Display and durability
The Ultra line uses a large LTPO AMOLED panel that can scale smoothly from 1 Hz up to 120 Hz to save battery when reading and boost fluidity when gaming. On the S24 Ultra, Samsung added a tougher, low‑glare glass. The samsung galaxy s25 ultra is expected to keep the 6.8‑inch-class size, high resolution, adaptive refresh, and sunlight‑friendly brightness, with a flat panel that plays nicely with screen protectors.
Camera system and Galaxy AI
Samsung’s 200 MP main camera has anchored recent Ultras, combining high-detail shots with pixel-binning for better low light. Telephoto on the S24 Ultra blended 3x and 5x optical lenses with AI-assisted zoom. For the samsung galaxy s25 ultra, look for refinements to processing, autofocus, and night portraits, plus upgraded zoom quality—whether through improved optics, smarter computational photography, or both. Expect continued focus on on-device Galaxy AI for things like instant slow-mo, subject isolation, translation overlays, and cleaner low-light video.
Battery and charging
The Ultra usually pairs a 5000 mAh battery with 45 W wired charging and fast wireless charging. The samsung galaxy s25 ultra is likely to stay the course: big battery, efficient display, and smarter power management. If you rely on mobile data across rural NZ or run navigation and music over Bluetooth all day, that efficiency turns into real-world stamina.
Connectivity for New Zealand
Local models sold by Samsung NZ and carriers are tuned for our sub‑6 GHz 5G bands used by Spark, One NZ, and 2degrees. Expect Wi‑Fi 7, Bluetooth 5.x, UWB for precise tracking, NFC for contactless payments, and eSIM support alongside a physical nano‑SIM. As always, imported variants may have different band support—check before you buy offshore.
Security and updates
Samsung Knox underpins secure folders, hardware-backed keys, and enterprise features. The S24 range introduced a seven‑year OS and security update promise; the samsung galaxy s25 ultra is widely expected to match that policy, but wait for Samsung’s official confirmation at launch.
Types / examples
Samsung typically offers three models each year:
- Galaxy S25: compact, most affordable of the trio
- Galaxy S25+: larger screen and battery, mid-tier price
- Samsung Galaxy S25 Ultra: largest screen, S Pen built in, the most advanced cameras
Storage options usually start at 256 GB and scale to 512 GB or 1 TB on the Ultra. There’s no microSD slot on recent Ultras, so pick storage with headroom if you shoot lots of 4K video or work with RAW photos. Colour choices vary by region; Samsung NZ often carries the core colours and lists online-exclusive finishes on its website.
Real-life examples in NZ
- Creative pros: Pair the samsung galaxy s25 ultra with S Pen, Expert RAW, and Adobe Lightroom Mobile for field edits. Upload over 5G, finalise later on a laptop.
- Business users: Use Samsung DeX with a USB‑C monitor for a desktop-like workspace in a meeting room. Knox security keeps work and personal data segmented.
- Travellers: eSIM makes it easy to add a local plan across the ditch or in Asia. Ultra-wide camera handles tight interior shots; telephoto captures wildlife from a distance.
- Parents and students: Long battery life, durable glass, and seven years of updates (if confirmed) mean a phone that lasts through multiple school years.
Pros and cons
Here’s a balanced look at the samsung galaxy s25 ultra based on the Ultra playbook and credible expectations.
- Pros
- Top-tier display that stays visible in bright New Zealand sun
- Versatile camera system with strong zoom and low-light performance
- Built-in S Pen for notes, signatures, and precise editing
- Long software support window expected
- Robust security (Knox), plus growing Galaxy AI features
- Strong 5G, Wi‑Fi 7, and eSIM support for flexible plans
- Cons
- Premium price, especially once you move to 512 GB or 1 TB
- Large and heavy compared with the standard S25
- Charger not included—budget for a 45 W USB‑C PD PPS charger if you want maximum speeds
- No microSD slot, so you must choose storage carefully
- Exact NZ variant specs and colours vary; imported models may miss local 5G bands
How to use or choose
Follow these steps to choose the right samsung galaxy s25 ultra for New Zealand—and get the most from it on day one.
- Confirm network fit: Check coverage maps for Spark, One NZ, and 2degrees where you live and commute. Ensure the model you buy (Samsung NZ or carrier SKU) supports local 5G bands.
- Pick storage with intent: 256 GB suits most; 512 GB is safer if you record a lot of 4K/60 video; 1 TB is for heavy creators. There’s no microSD—choose once, choose wisely.
- Sort your plan: Compare carryover data, hotspot limits, and rural 5G options. If you travel, look for eSIM support and affordable roaming add-ons.
- Budget smartly: Factor in a quality USB‑C PD PPS charger (up to 45 W), a durable case, and a screen protector. These cost less than a repair.
- Trade in or finance: Samsung NZ and carriers often run preorder bonuses, trade-in credits, and interest-free spreads. Time your purchase to stack the best deal.
- Migrate cleanly: Use Samsung Smart Switch (cable or Wi‑Fi) to transfer apps, WhatsApp history, messages, and photos. Back up beforehand.
- Set up eSIM and security: Activate eSIM through your carrier app or store. Enable biometric unlock, Secure Folder, and automatic cloud backups.
- Tune Galaxy AI and S Pen: Explore Notes templates, screen-off memos, handwriting-to-text, and AI-assisted editing. Turn off features you don’t need to save battery.
- Try DeX: Connect to a monitor or TV via USB‑C or wireless DeX on compatible screens. Great for presentations or a quick desktop when travelling.
- Optimise the camera: Add shooting modes you use (Pro, Expert RAW) to the toolbar, set up custom zoom steps, and save different profiles for day and night.
Comparison: S24 Ultra vs samsung galaxy s25 ultra (expected)
| Feature | Galaxy S24 Ultra (official) | Samsung Galaxy S25 Ultra (rumoured/expected) | Official? |
|---|---|---|---|
| Chipset | Snapdragon 8 Gen 3 for Galaxy | Next‑gen Snapdragon for Galaxy with higher AI performance | No (awaiting launch) |
| Display | ~6.8″ LTPO AMOLED, 1–120 Hz, low‑glare glass | Similar size and tech, potentially brighter with refined anti‑glare | No |
| Main camera | 200 MP wide + ultrawide + 3x + 5x tele | 200 MP class main with improved zoom and night performance | No |
| Battery & charging | ~5000 mAh, up to 45 W wired, fast wireless | Similar capacity and speeds with better efficiency | No |
| Build | Titanium frame, IP68, flat display | Premium materials, IP68 expected, flat display | No |
| S Pen | Built in | Built in | No |
| Connectivity | 5G (sub‑6), Wi‑Fi 7, Bluetooth 5.x, UWB, eSIM | At least the same connectivity set | No |
| Software support | Up to 7 years OS & security | Likely the same policy | No |
| In-box charger | Not included | Not expected | No |
| NZ availability window | Early 2024 | Early 2025 (expected) | No |
FAQ
When will the samsung galaxy s25 ultra be released in New Zealand?
Samsung usually launches in the first part of the year, with NZ preorders opening soon after the global Unpacked event and retail availability following within weeks. Exact dates will be announced by Samsung NZ and local carriers.
How much will it cost in NZ?
Expect pricing in line with the previous Ultra at launch, with premiums for higher storage tiers. Watch for preorder bonuses, trade-in deals, and carrier credits that can cut the effective cost.
Will the samsung galaxy s25 ultra include a charger?
No. Samsung hasn’t included wall chargers with Galaxy S flagship phones for several years. If you want maximum wired speeds, use a USB‑C PD PPS charger rated up to 45 W with a good USB‑C cable.
How many years of updates will it get?
Samsung offered up to seven years of OS and security updates on the S24 series. It’s reasonable to expect the same for the samsung galaxy s25 ultra, but wait for official confirmation at launch.
Is it dual‑SIM in New Zealand?
Recent NZ Ultra models have supported one physical nano‑SIM plus eSIM. Check the specific SKU sold by Samsung NZ or your carrier to confirm.
How does it compare to iPhone?
The samsung galaxy s25 ultra prioritises S Pen support, flexible file handling, and deep customisation on Android, while iPhone focuses on tight ecosystem integration and iOS-exclusive apps. Your choice often comes down to whether you prefer S Pen notes, DeX, and Samsung’s camera tuning—or Apple’s ecosystem and ProRes/ProRAW workflows.
Will it be water resistant?
Recent Ultra phones are IP68 rated. The samsung galaxy s25 ultra is expected to retain the rating, offering protection against dust and immersion in fresh water within specified limits.
Does it support satellite messaging?
Samsung has discussed satellite features publicly, but satellite messaging wasn’t shipped on the S24 Ultra. There’s no confirmed satellite support for the samsung galaxy s25 ultra at this time.
Can I use it as a hotspot for rural broadband?
Yes. The phone supports 5G and Wi‑Fi tethering. For rural NZ, check which carrier offers the best local coverage and consider an external power source if you’ll run the hotspot for hours—tethering is battery intensive.
Bottom line
The samsung galaxy s25 ultra looks set to refine a proven formula: a bright, durable display; a powerful, AI‑assisted camera system; long-term software support; and the unique utility of a built-in S Pen. For many New Zealanders, it will be the Android flagship to beat—especially if you value zoom quality, on-device productivity, and longevity. If you’re on an S22 Ultra or older, the jump should feel significant. From an S24 Ultra, wait for official specs and local promos; a sharp trade‑in could tip the scales.

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