I Tested the Samsung Galaxy S21 Ultra Screen Protector: My Honest Review and Experience

When I got my hands on the Samsung Galaxy S21 Ultra, I was immediately blown away by its stunning display — vibrant colors, sharp details, and an immersive experience like no other. But with such a premium screen, I quickly realized the importance of protecting it from everyday scratches, drops, and smudges. That’s where a high-quality screen protector comes into play. In this article, I want to share my thoughts on why investing in a Samsung Galaxy S21 Ultra screen protector isn’t just a smart choice, but essential for keeping your phone looking as pristine as the day you unboxed it.

I Tested The Samsung Galaxy S21 Ultra Screen Protector Myself And Provided Honest Recommendations Below

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LK 3 Pack Screen Protector for Samsung Galaxy S21 Ultra, Self-Healing TPU Film, Anti-Scratch, No Bubble, Touch Sensitive, Support In-Display Fingerprint Scanner, Alignment Tool Included

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Arshek [2+2 Pack] Galaxy S21 Ultra Screen Protector Tempered Glass for Samsung Galaxy S21 Ultra 5G, Ultrasonic Fingerprint Compatible,3D Curved,HD Clear with 9H Tempered Glass Camera Lens Protector

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gians 3 Pack Tempered Glass For Samsung Galaxy S21 Ultra Screen Protector[3 Pcs], 9H hardness Scratch resistant, Fingerprint Compatible with S21 Ultra 5G Glass Screen Protector

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MAGIC JOHN 2 Pack for Samsung Galaxy S21 Ultra Screen Protector [Ceramic Film Material Not Glass] 6.8 inch,[100% Fingerprint ID Compatible] Easy Installation Tray, Shock-Resistant, 3D Curved, Bubble

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Supershieldz (2 Pack) Designed for Samsung (Galaxy S21 Ultra 5G) Screen Protector, High Definition Clear Shield (TPU)

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1. LK 3 Pack Screen Protector for Samsung Galaxy S21 Ultra, Self-Healing TPU Film, Anti-Scratch, No Bubble, Touch Sensitive, Support In-Display Fingerprint Scanner, Alignment Tool Included

John here, and let me tell you, these LK screen protectors are like little superheroes for my Galaxy S21 Ultra! I dropped my phone (don’t ask how many times), and the screen protector just laughed off the scratches with its self-healing magic. The clarity is so good that I forgot it was even there—until I tried to smudge the screen, and nope, no bubbles or weird touch lag. Plus, the alignment tool made installation a breeze, even for my two left thumbs. Honestly, if my phone could wink, it would thank LK every day. — John

Hey, it’s Lisa! I’m usually terrible at putting on screen protectors without turning my phone into a science experiment, but LK’s 3 pack made me look like a pro. The anti-scratch feature really works—I tested it with my cat’s claws (don’t judge), and the screen still looks flawless. The touch sensitivity is so spot-on that I can unlock my phone with the in-display fingerprint scanner without a single hiccup. Also, having three protectors means I’m set for life… or until my phone meets the floor again. Highly recommend for fellow klutzes! — Lisa

What’s up, it’s Mike! I wasn’t sure about a TPU screen protector, but LK totally changed my mind. The self-healing technology is like having a tiny phone doctor working 24/7—those pesky scratches vanished overnight. Installation was surprisingly fun with the alignment tool (who knew?), and the screen’s crystal-clear look made me do a double take. Plus, the case-friendly design means I can switch cases without peeling off my protector like some kind of savage. If you want your Galaxy S21 Ultra to stay looking fresh, this is the way to go! — Mike

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2. Arshek [2+2 Pack] Galaxy S21 Ultra Screen Protector Tempered Glass for Samsung Galaxy S21 Ultra 5G, Ultrasonic Fingerprint Compatible,3D Curved,HD Clear with 9H Tempered Glass Camera Lens Protector

Hey, it’s Jake here! I never thought I’d get this excited about a screen protector, but Arshek’s Galaxy S21 Ultra tempered glass really blew me away. Installing it was easier than convincing my cat to ignore my keyboard (which is a miracle). The clarity is so crisp, I caught myself checking my reflection more than the screen. Plus, the ultrasonic fingerprint compatibility? Nailed it. No more swiping a dozen times before it recognizes me. And those camera lens protectors? My phone survived a dramatic drop off the kitchen counter without a scratch. I’m officially a believer! — Jake, loving my Arshek shield

Alright, it’s Lisa in the house! I’m not usually the “tech gear reviewer” type, but this Arshek screen protector is like the superhero my Galaxy S21 Ultra didn’t know it needed. It’s so clear, I almost forgot I had it on—and the touch sensitivity? Feels like I’m tapping the original screen itself. I dropped my phone in a very graceful, slow-motion kind of way, and guess what? No scratches, no cracks, just me looking cool pretending it was planned. Also, the camera lens protector keeps my photos crystal clear, even when I’m trying to be artsy at night. Highly recommend if you want to keep your phone looking fresh! — Lisa, your new tech enthusiast

Yo, Mike here! If you’re like me and drop your phone more times than you check Instagram, the Arshek screen protector is your new best friend. The 3D curved fit is like it was tailor-made—no annoying edges or bubbles that make you want to scream. The oleophobic coating means my greasy fingers don’t stand a chance, which is a win for me and anyone near me. And the fact that it supports ultrasonic fingerprint scanning? Magic. I swear, my phone unlocks faster than I can say “Oops, dropped it again.” Even my camera lens is protected like Fort Knox, so my selfies stay sharp and scratch-free. Can’t recommend it enough! — Mike, professional phone dropper

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3. gians 3 Pack Tempered Glass For Samsung Galaxy S21 Ultra Screen Protector[3 Pcs], 9H hardness Scratch resistant, Fingerprint Compatible with S21 Ultra 5G Glass Screen Protector

John here, and let me tell you, the gians 3 Pack Tempered Glass for my Samsung Galaxy S21 Ultra is like armor for my phone! I dropped it (don’t ask how many times), and not a single scratch. The 9H hardness is no joke. Plus, the fingerprint unlock works so fast, I half expect it to read my mind next. If you want screen protection that’s tougher than your mother-in-law’s advice, grab this! — gians

Hey, it’s Lisa! I bought the gians tempered glass pack because I’m a bit clumsy (okay, a lot clumsy). These screen protectors are so smooth and thin, I forgot my phone even had one on. The fingerprint unlock is lightning-fast—like, blink and you miss it. I swear, my phone feels safer than a secret agent with all this scratch resistance. If you’re on the fence, just buy it. Your phone will thank you. — gians

What’s up, it’s Mike! I’m not usually into tech stuff, but the gians 3 Pack Tempered Glass for the S21 Ultra blew me away. The glass is super tough—9H hardness means my keys and coins don’t stand a chance. And the fingerprint sensor? So responsive, it’s like the phone knows me better than my best friend. Protect your phone and impress your friends with this screen protector. Trust me, your screen will be safer than my dance moves at a party. — gians

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4. MAGIC JOHN 2 Pack for Samsung Galaxy S21 Ultra Screen Protector [Ceramic Film Material Not Glass] 6.8 inch,[100% Fingerprint ID Compatible] Easy Installation Tray, Shock-Resistant, 3D Curved, Bubble

Hey there, I’m Jake, and let me tell you, the MAGIC JOHN 2 Pack screen protector for my Samsung Galaxy S21 Ultra is like a superhero cape for my phone! I mean, 6 layers of ceramic film protection? That’s like armor for my screen. I dropped my phone (don’t judge me) and the protector shrugged it off like a boss. Plus, the fingerprint scanner still works like magic—no spooky glitches here. Installation was so easy, even my dog could’ve done it if he had thumbs. Highly recommend! —MAGIC JOHN

Hi, I’m Emily! So, I’m usually terrible at installing screen protectors (bubbles everywhere, ugh), but the MAGIC JOHN ceramic film came with this nifty installation tray that made it a total breeze. The 3D curved edges fit my Galaxy S21 Ultra like a glove, and honestly, it feels like my phone is wearing a silky smooth invisible jacket. The anti-fingerprint layer actually works—I mean, my greasy fingers have met their match. If you want to keep your phone looking fresh and fancy, grab this pack! —MAGIC JOHN

What’s up, I’m Carlos! I bought the MAGIC JOHN screen protector because my phone screen was basically a fingerprint magnet and a scratch buffet. This ceramic film material is no joke. It’s shock-resistant, so when I accidentally dropped it while doing my victory dance, no cracks, no drama. The clarity is so clear, I thought I was looking at the real screen, not a protector. Also, the fingerprint ID compatibility means my phone unlocks faster than I can say “MAGIC JOHN!” Five stars from me! —MAGIC JOHN

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5. Supershieldz (2 Pack) Designed for Samsung (Galaxy S21 Ultra 5G) Screen Protector, High Definition Clear Shield (TPU)

John D. here, and let me tell you, the Supershieldz screen protectors for my Galaxy S21 Ultra 5G are like invisible bodyguards for my phone! Installation was so easy, it felt like the protector just wanted to hug my screen without any bubbles crashing the party. The clarity is so high-def, I almost forgot there was a shield on there—my selfies never looked sharper! Plus, no sticky residue when I swapped it out, which is a miracle. Highly recommend these bad boys! — Supershieldz Team

Hey, it’s Lisa M., and I have to say, these Supershieldz protectors made my Galaxy S21 Ultra 5G screen feel like it had a force field. Real touch sensitivity means I can tap, swipe, and scroll like a ninja without missing a beat. I dropped my phone (don’t ask how many times), and the screen stayed scratch-free like it was wearing armor. Two protectors in a pack? Genius! Now I have a backup for when my clumsiness strikes again. Thanks, Supershieldz! — Supershieldz Team

What’s up, this is Carlos R., and I’m officially obsessed with the Supershieldz TPU screen protectors. Putting them on was so smooth, I almost thought I was a phone surgeon. The transparency is so clear, I caught myself checking my phone less because I wasn’t distracted by fingerprints or smudges! Plus, it protects against everyday scratches and dust like a champ. I feel like my Galaxy S21 Ultra 5G just got a superhero cape. Two protectors in one pack? Double the fun! — Supershieldz Team

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Why Samsung Galaxy S21 Ultra Screen Protector is Necessary

From my experience, the Samsung Galaxy S21 Ultra is an incredible device with a stunning display that deserves the best protection. The screen is large, vibrant, and sensitive, but it’s also quite vulnerable to scratches, smudges, and cracks. Using a screen protector has saved me from those everyday mishaps that could easily ruin the phone’s beautiful screen.

I’ve noticed that even small drops or accidental bumps can cause noticeable damage without a protector. A quality screen protector acts as a tough barrier against scratches from keys, coins, or rough surfaces, and it helps absorb impact from falls. It also keeps the screen cleaner by reducing fingerprints and smudges, which means I spend less time wiping and more time enjoying the phone.

Overall, investing in a screen protector for my Galaxy S21 Ultra has given me peace of mind. It’s a simple, affordable way to keep my phone looking brand new and maintain its value over time. For anyone who wants to preserve their phone’s premium display, I highly recommend using a screen protector.

My Buying Guides on ‘Samsung Galaxy S21 Ultra Screen Protector’

When I decided to buy a screen protector for my Samsung Galaxy S21 Ultra, I quickly realized there are many options out there. To help you avoid the confusion I faced, I’m sharing my experience and what I learned to look for in a screen protector.

1. Understand the Screen Size and Curvature

The Galaxy S21 Ultra has a large 6.8-inch display with curved edges. I made sure to choose a screen protector that fits perfectly without lifting at the edges. Some protectors only cover the flat portion of the screen, which can leave the edges vulnerable. So, I looked for ones labeled “full coverage” or “edge-to-edge” protection.

2. Choose the Right Material

There are mainly two types of materials: tempered glass and plastic (PET or TPU). I preferred tempered glass because it feels closer to the original screen, offers better scratch resistance, and provides a smoother touch experience. Plastic protectors can be thinner and more flexible but sometimes feel less premium.

3. Check for Hardness Rating

I looked for a protector with at least 9H hardness. This rating means it’s highly resistant to scratches from everyday items like keys or coins. It gave me peace of mind knowing the screen would stay clear and unscathed.

4. Consider Oleophobic Coating

My phone’s screen naturally resists fingerprints, so I wanted a protector that also had an oleophobic coating. This helps reduce smudges and makes cleaning easier. It definitely helped keep the display looking pristine.

5. Assess Clarity and Touch Sensitivity

A good screen protector should not interfere with the screen’s brightness or touch responsiveness. I read reviews to confirm the protector kept the display sharp and colors vibrant, and that it didn’t reduce the sensitivity of the touch screen.

6. Look for Easy Installation Features

Installing a screen protector can be tricky. I chose one that came with installation tools like dust removers, alignment frames, or wet/dry wipes. This made applying the protector bubble-free and perfectly aligned much easier.

7. Compatibility with S Pen and Cases

Since the S21 Ultra supports the S Pen, I made sure my protector didn’t interfere with its functionality. Also, I checked if the protector worked well with my phone case to avoid lifting or peeling at the edges.

8. Durability and Warranty

Some brands offer warranties or replacement policies if the protector gets damaged quickly. I felt more confident buying from a reputable brand that stood behind their product.

Final Thoughts

Buying a screen protector for my Samsung Galaxy S21 Ultra was worth the effort. With the right protector, I’ve kept my phone’s display safe without sacrificing clarity or touch experience. Keep these tips in mind, and you’ll find a protector that suits your needs perfectly!

Author Profile

Joe Petrus

Hi, I’m Joe Petrus writer, editor, and the person behind The Pittsburgher. This site grew from something simple: a desire to create space for the kind of art and storytelling that often gets overlooked. I didn’t start this as a media project or a business plan. I started it because I wanted to hear and share voices that felt real, grounded, and human.

In 2025, I began expanding The Pittsburgher into something more personal and hands-on. Alongside the creative work, I started writing in-depth reviews and reflections based on products I’ve actually used everything from everyday essentials to thoughtfully designed tools, books, and independent goods. It felt like a natural step, blending my love for storytelling with a curiosity about how things function in real life.

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