Uncover the Best Hidden Features of the Used iPhone 14 Pro Max

If you’re thinking about upgrading your phone, there’s a good reason everyone’s talking about the iPhone 14 Pro Max. It’s one of the most powerful and polished smartphones Apple has ever made — and even if you buy a used iPhone 14 Pro Max, it still feels brand-new. With its lightning-fast A16 Bionic chip, stunning Super Retina XDR display, and advanced camera system, it’s a powerhouse built for everyday life and creativity alike.

But what really makes the used iPhone 14 Pro Max shine are the hidden features tucked away in iOS. These aren’t always obvious at first glance, but once you discover them, you’ll wonder how you ever lived without them. From camera tricks that make your photos look professional to clever ways of customising your screen and notifications, Apple has packed in a ton of thoughtful details.

Whether you’ve just bought your used iPhone 14 Pro Max or you’re browsing refurbished models at Used Mobiles 4 U, we’re here to help you get the most out of it. Let’s dive into some of the best hidden features and how to use them to make your phone truly your own.

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1. Shoot in Full 48 MP Resolution

One of the biggest upgrades Apple introduced with the iPhone 14 Pro Max is the 48-megapixel main camera. On paper, that’s four times the resolution of most older iPhones — and it really shows. By default, your photos are saved in 12 MP to save space, but if you’re chasing ultimate detail or want to print your shots, you’ll want to unlock the full 48 MP mode.

Here’s how: open Settings → Camera → Formats, turn on Apple ProRAW, then select 48 MP under “ProRAW Resolution.” Once that’s set, open the Camera app, and tap the “RAW” button at the top. You’ll now be capturing every detail your lens can see. Just note that the 48 MP mode only works at 1× zoom — anything beyond that reverts to 12 MP automatically.

So why bother? Because the difference is huge when you zoom in or crop later. Textures look sharper, colours pop, and you have far more flexibility when editing. The trade-off is larger file sizes, but that’s easily managed with cloud storage or a quick backup to your computer.

If you love photography, this setting transforms your used iPhone 14 Pro Max into a mini DSLR. Whether it’s a sweeping landscape, a family portrait, or your latest latte art, the 48 MP mode ensures every pixel counts — literally.

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2. Make the Always-On Display Work for You

The Always-On Display is one of those features you either love instantly or want to tweak a little. It keeps the time, widgets, and notifications visible even when your phone is locked, so you can check updates without lifting a finger.

But not everyone wants a glowing screen all day. Luckily, Apple built in plenty of customisation options. Head to Settings → Display & Brightness → Always On Display and explore what suits you best. You can toggle off the wallpaper for a more subtle look or disable notifications entirely if you’d prefer fewer distractions.

Another neat trick? The display automatically turns off when your used iPhone 14 Pro Max is face-down, in your pocket, or connected to CarPlay — helping conserve battery life. It also dims intelligently depending on the lighting around you, so it’s never too bright at night.

For people who love a touch of personalisation, you can design Lock Screens that show useful widgets — like weather, calendar, or your fitness rings — so that when you glance at your phone, you see exactly what matters most.

If you’ve just bought a used iPhone 14 Pro Max from Used Mobiles 4 U, this is a great way to make it feel uniquely yours. With the right setup, the Always-On Display becomes less of a battery drain and more of a helpful dashboard you’ll actually enjoy using.

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3. Add Some Personality with Photographic Styles

Everyone loves snapping photos on their iPhone, but sometimes you want a consistent “look” that reflects your personality — something warmer, cooler, or more vibrant than the standard auto settings. That’s where Photographic Styles come in.

Unlike traditional filters, Photographic Styles are baked directly into the camera pipeline. They change how your iPhone processes each image as you take it — balancing tone, warmth, and contrast while keeping skin tones natural.

To try it, go to Settings → Camera → Photographic Styles, or simply open the Camera app, swipe up (or tap the arrow at the top), and choose the Photographic Styles icon. You’ll see options such as Standard, Rich Contrast, Vibrant, Warm, and Cool. Once you pick your favourite, it becomes your default style until you change it again.

It’s perfect for content creators, small business owners, or anyone who wants their Instagram feed to feel cohesive. Want your food photos to look bright and lively? Choose “Vibrant.” Prefer a cinematic, moody tone for city shots? Go with “Rich Contrast.”

The best part? You can adjust the intensity and warmth to fine-tune the vibe exactly how you like it. And because the iPhone applies this style intelligently, it won’t make people’s faces look odd or oversaturated — just beautifully consistent.

If you’ve picked up a used iPhone 14 Pro Max, this feature gives your photos a fresh, modern twist that rivals even the latest flagship phones.

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4. Stay Focused with Custom Focus Modes

If your phone constantly pings, buzzes, and lights up, Focus modes are your secret weapon. Introduced in iOS 15 and refined in iOS 17, Focus lets you filter notifications, apps, and even Lock Screen layouts based on what you’re doing.

Say you’re working from home: create a “Work” Focus that only allows calls from colleagues and notifications from productivity apps. Or maybe you want a “Sleep” Focus that dims the screen, silences alerts, and leaves only emergencies active.

To set one up, go to Settings → Focus, then choose or create your own mode. You can name it anything — “Study,” “Gym,” “Family Time” — and control exactly who and what can reach you during that period. You can even automate it to trigger at certain times or locations.

What’s really clever is how Focus ties into your Lock and Home Screens. You can assign a specific wallpaper and widget setup to each Focus, so your used iPhone 14 Pro Max looks and feels different depending on what you’re doing. When Work mode activates, maybe you see your calendar and to-do list. When Personal mode kicks in, your photos and music widgets take over.

For anyone juggling work, family, and downtime, this feature is a sanity saver. It helps you reclaim control from endless notifications and turn your used iPhone 14 Pro Max into a calmer, more mindful tool — not just a distraction machine.

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5. Why Buy Your iPhone 14 Pro Max from Used Mobiles 4 U?

At Used Mobiles 4 U, we believe buying pre-loved doesn’t mean compromising on quality. Every phone we sell — including the used iPhone 14 Pro Max — goes through thorough testing, cleaning, and grading to ensure it looks great and works flawlessly.

You can choose from different condition grades (from “Excellent” to “Good”), depending on your budget and preference. No surprises, no mystery scratches — just transparent quality at a fraction of the original price.

Plus, every device is fully unlocked, data-wiped, and tested by experts, so you can pop in your SIM and go. We also offer secure warranties, flexible payment options, and quick delivery across the UK.

When you buy used, you’re not only saving money — you’re helping reduce e-waste and extending the life of perfectly capable tech. That’s something we’re really proud of at Used Mobiles 4 U.

So if this article has inspired you to explore the used iPhone 14 Pro Max, check out our latest stock. You might find your next favourite phone waiting for you — beautifully refurbished, fully tested, and ready to perform like new.