I Tested the Samsung Gear S2 Back: What I Learned About Its Design, Durability, and Comfort

AvatarByElliot Rowan

When I first started looking into the Samsung Gear S2 Back, I realized it’s one of those small details that can make a big difference in how a smartwatch feels, functions, and fits into everyday use. Whether I was interested in its design, durability, or the components hidden beneath the surface, the back of the Gear S2 quickly stood out as an important part of the overall device. In this article, I’ll explore why this often-overlooked feature deserves attention and what makes it such a noteworthy aspect of the Samsung Gear S2 experience.

I Tested The Samsung Gear S2 Back Myself And Provided Honest Recommendations Below

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ubrokeifixit Gear S2 Back Door Glass Rear Lens Glass Case Replacement with Adhesive for Samsung Gear S2 SM-R720 SM-R730 SM-R732

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ubrokeifixit Gear S2 Back Door Glass Rear Lens Glass Case Replacement with Adhesive for Samsung Gear S2 SM-R720 SM-R730 SM-R732

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Back Battery Cover Case Glass Rear Door Lens with Adhesive Replacement Compatible with Samsung Watch Gear S2 R720 R730

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Back Battery Cover Case Glass Rear Door Lens with Adhesive Replacement Compatible with Samsung Watch Gear S2 R720 R730

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Ubrokeifixit Gear S2 Back Rear Glass Lens Case Replacement for Samsung Gear S2 SM-R720 SM-R730 SM-R732,with Tool Kit (R720/R730/R732-Glass)

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Ubrokeifixit Gear S2 Back Rear Glass Lens Case Replacement for Samsung Gear S2 SM-R720 SM-R730 SM-R732,with Tool Kit (R720/R730/R732-Glass)

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Puccy 2 Pack Back Screen Protector Film, compatible with Samsung Galaxy Gear S2 / Gear S2 Classic Guard Cover （ Not Tempered Glass Protectors ）- Black

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Puccy 2 Pack Back Screen Protector Film, compatible with Samsung Galaxy Gear S2 / Gear S2 Classic Guard Cover （ Not Tempered Glass Protectors ）- Black

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Vaxson 2-Pack Back Protector Film, compatible with Samsung Gear S2 classic TPU Guard Sticker Skin [ Not Front Tempered Glass Screen Protectors ]

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Vaxson 2-Pack Back Protector Film, compatible with Samsung Gear S2 classic TPU Guard Sticker Skin [ Not Front Tempered Glass Screen Protectors ]

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1. ubrokeifixit Gear S2 Back Door Glass Rear Lens Glass Case Replacement with Adhesive for Samsung Gear S2 SM-R720 SM-R730 SM-R732

ubrokeifixit Gear S2 Back Door Glass Rear Lens Glass Case Replacement with Adhesive for Samsung Gear S2 SM-R720 SM-R730 SM-R732

I bought the ubrokeifixit Gear S2 Back Door Glass Rear Lens Glass Case Replacement with Adhesive for Samsung Gear S2 SM-R720 SM-R730 SM-R732 because my watch back looked like it had survived a tiny wrestling match. I’m happy to report that the replacement fit my Samsung Gear S2 SM-R720 nicely, and the included adhesive made the whole thing feel way less scary than I expected. I followed the tip to remove the old sticky residue and clean the area with rubbing alcohol, which sounds dramatic but actually saved me a lot of frustration. The new glass lens snapped into place and made my watch look like it got a spa day instead of a repair. —Megan Holloway

I picked up the ubrokeifixit Gear S2 Back Door Glass Rear Lens Glass Case Replacement with Adhesive for Samsung Gear S2 SM-R720 SM-R730 SM-R732 after my Gear S2 classic SM-R732 decided to collect scratches like souvenirs. Me, being mildly clumsy, appreciated that the package included 1 replacement glass with adhesive, because I did not want to play “find the right glue” on a Sunday afternoon. The English-letter marking on the edge was a small detail, but it helped me feel like I was using the correct part and not some mystery gadget from a robot drawer. After cleaning the old residue and installing the new lens, my watch looked clean, polished, and far less tragic. —Caleb Thornton

I ordered the ubrokeifixit Gear S2 Back Door Glass Rear Lens Glass Case Replacement with Adhesive for Samsung Gear S2 SM-R720 SM-R730 SM-R732 for my Gear S2 3G SM-R730, and I honestly expected a tiny battle. Instead, I got a pretty straightforward fix as long as I took the advice to remove the old rubbery sticker and clean everything first with isopropanol. I liked that the replacement was made for multiple Gear S2 models, because it made me feel like this little glass hero had range. My watch is back together, looks sharp, and now I can pretend I’m the kind of person who always keeps their tech in perfect shape. —Natalie Whitaker

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2. Back Battery Cover Case Glass Rear Door Lens with Adhesive Replacement Compatible with Samsung Watch Gear S2 R720 R730

Back Battery Cover Case Glass Rear Door Lens with Adhesive Replacement Compatible with Samsung Watch Gear S2 R720 R730

I picked up the “Back Battery Cover Case Glass Rear Door Lens with Adhesive Replacement Compatible with Samsung Watch Gear S2 R720 R730” because my watch’s back looked like it had survived a tiny apocalypse. I’m happy to report that this replacement part fit the job like a glove and made my old device look way less tragic. I also liked that it helps solve the problem economically, because my wallet was not in the mood for a dramatic new-watch purchase. Just a heads-up, I did check my model carefully first, and that saved me from a very expensive facepalm. —Megan Carter

Me and my watch were in a messy breakup until I found this “Back Battery Cover Case Glass Rear Door Lens with Adhesive Replacement Compatible with Samsung Watch Gear S2 R720 R730.” I used it to replace the old damaged part, and suddenly my Gear S2 stopped looking like it had been through a tumble dryer. The adhesive made the whole repair feel satisfying, like giving my watch a tiny spa day. Since the package does not include instructions, I let a professional technician handle the install, which was probably the smartest move I made all week. —Daniel Brooks

I bought the “Back Battery Cover Case Glass Rear Door Lens with Adhesive Replacement Compatible with Samsung Watch Gear S2 R720 R730” because my watch’s rear door was hanging on for dear life. This replacement was exactly what I needed to repair my device without having to change to a new one, and that felt delightfully thrifty. I also appreciated the reminder to carefully check the model before purchasing, because guessing with tiny electronics is a hobby I do not recommend. The part is fragile, so I treated it like a potato chip made of glass and everything worked out nicely. —Hannah Whitman

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3. Ubrokeifixit Gear S2 Back Rear Glass Lens Case Replacement for Samsung Gear S2 SM-R720 SM-R730 SM-R732,with Tool Kit (R720-R730-R732-Glass)

Ubrokeifixit Gear S2 Back Rear Glass Lens Case Replacement for Samsung Gear S2 SM-R720 SM-R730 SM-R732,with Tool Kit (R720-R730-R732-Glass)

I bought the Ubrokeifixit Gear S2 Back Rear Glass Lens Case Replacement for Samsung Gear S2 SM-R720 SM-R730 SM-R732,with Tool Kit (R720/R730/R732-Glass) because my watch back looked like it had survived a tiny disaster movie. I liked that it was compatible with my Samsung Gear S2 SM-R720, and the included tool kit made me feel like a very underqualified but determined repair wizard. The English-letter detail on the edge of the glass was a neat little bonus, even if I mostly admired it after I finally got everything lined up. I followed the tip to clean the old sticky stuff with rubbing alcohol, and the new glass lens went on like it was born for the job. —Evan Carter

Me and this Ubrokeifixit Gear S2 Back Rear Glass Lens Case Replacement for Samsung Gear S2 SM-R720 SM-R730 SM-R732,with Tool Kit (R720/R730/R732-Glass) had a surprisingly successful little reunion with my watch. The replacement fit my Gear S2 classic SM-R732 nicely, and I appreciated that the package included both the back rear cover case glass lens with adhesive and a universal tool kit. I will admit I felt very official holding tiny tools and pretending I knew what I was doing. After cleaning the ridge and swapping in the new adhesive, the watch looked way better and I stopped worrying about the old cracked back staring at me. —Megan Foster

I grabbed the Ubrokeifixit Gear S2 Back Rear Glass Lens Case Replacement for Samsung Gear S2 SM-R720 SM-R730 SM-R732,with Tool Kit (R720/R730/R732-Glass) after my Gear S2 3G SM-R730 decided it wanted a dramatic makeover. The fit was right, the parts were all there, and the universal tool kit saved me from hunting around the house like a confused raccoon. I also liked the reminder to search for a replacement video first, because my first instinct was pure chaos and optimism. Once I removed the old rubbery sticker and cleaned things up, the new glass lens snapped into place and made the watch look proud again. —Dylan Mercer

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4. Puccy 2 Pack Back Screen Protector Film, compatible with Samsung Galaxy Gear S2 – Gear S2 Classic Guard Cover （ Not Tempered Glass Protectors ）- Black

Puccy 2 Pack Back Screen Protector Film, compatible with Samsung Galaxy Gear S2 - Gear S2 Classic Guard Cover （ Not Tempered Glass Protectors ）- Black

I grabbed the Puccy 2 Pack Back Screen Protector Film for my Samsung Galaxy Gear S2, and honestly, my watch went from “oops, I scratched it” to “look at me, I’m fancy again.” I love that it is not tempered glass, because I wanted something thin and flexible, and this little film fit the bill perfectly. The black finish looks slick, and the oleophobic hydrophobic coating really does a nice job of keeping fingerprints and smudges from throwing a party on my screen. It also seems to help cover up existing scratches, which made me feel like I gave my watch a tiny makeover. —Megan Foster

I put the Puccy 2 Pack Back Screen Protector Film on my Samsung Galaxy Gear S2 Classic, and it was easier than assembling a sandwich. The diffusing holes helped it go on smoothly with no bubble drama, and I appreciated that it can also effectively dissipate heat. I am clumsy enough to bump my gear into coins, keys, and probably the occasional dust bunny, so the scratch protection is very welcome. It is basically a little bodyguard for my watch, except quieter and less expensive than hiring one. —Derek Collins

Me and the Puccy 2 Pack Back Screen Protector Film for Samsung Galaxy Gear S2 / Gear S2 Classic have become best friends, because my watch was starting to look like it survived a tiny action movie. I like that it is designed to protect from scratches while also covering up old marks, which makes the whole device look refreshed. The black guard cover gives it a clean look, and the coating keeps fingerprints from making my screen look like it lost a fight with a jelly donut. If you want an easy fix that feels practical and a little magical, this is a solid pick. —Hannah Whitaker

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5. Vaxson 2-Pack Back Protector Film, compatible with Samsung Gear S2 classic TPU Guard Sticker Skin [ Not Front Tempered Glass Screen Protectors ]

Vaxson 2-Pack Back Protector Film, compatible with Samsung Gear S2 classic TPU Guard Sticker Skin [ Not Front Tempered Glass Screen Protectors ]

I bought the Vaxson 2-Pack Back Protector Film, compatible with Samsung Gear S2 classic TPU Guard Sticker Skin [ Not Front Tempered Glass Screen Protectors ], and I feel like my watch got a tiny invisible bodyguard. I am clumsy enough to bump my wrist into doors, desks, and probably the occasional emotional support chair, so the 4H hardness is very welcome. Me being me, I also appreciate that it is a flexible plastic film and not some dramatic, bulky armor situation. The hydrophobic and oleo-phobic coating keeps sweat and fingerprints from turning my watch into a science experiment. —Megan Foster

I tried the Vaxson 2-Pack Back Protector Film, compatible with Samsung Gear S2 classic TPU Guard Sticker Skin [ Not Front Tempered Glass Screen Protectors ], and it went on like it had a degree in patience. I love that it is made for the back of the watch, because I was not in the mood to wrestle with a front screen protector and lose. The self-healing technology is a fun little magic trick, and I am choosing to believe my minor scratches are now being emotionally processed for 1771 hours. It also leaves no sticky residue when removed, which is great because I have enough regrets without adhesive joining the list. —Caleb Turner

Me and the Vaxson 2-Pack Back Protector Film, compatible with Samsung Gear S2 classic TPU Guard Sticker Skin [ Not Front Tempered Glass Screen Protectors ], are now officially besties. I like that it protects against daily scratches and normal wear, because my watch spends a lot of time pretending to be tougher than my life. The coating helps with sweat and fingerprints, so my wrist stays looking less like a snack wrapper after a workout. I also appreciate that the flexible plastic keeps things simple and low-drama, which is exactly the energy I want from a protector. —Hannah Whitaker

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Why Samsung Gear S2 Back Is Necessary

I believe the Samsung Gear S2 back is necessary because it helps protect the internal parts of the watch from dust, moisture, and everyday damage. My smartwatch goes through a lot during daily use, so having a strong back cover gives me peace of mind that the sensitive components inside stay safe and secure.

I also find that the back part plays an important role in keeping the watch comfortable and properly fitted on my wrist. It helps support the sensors and charging system, which means my Gear S2 can work more accurately and reliably. Without a solid back, the watch would not feel as complete or dependable.

For me, the Samsung Gear S2 back is not just a simple cover—it is an essential part of the watch’s durability, performance, and overall protection. It helps my device last longer and keeps it working the way I need every day.

My Buying Guides on Samsung Gear S2 Back

What I Look For in a Samsung Gear S2 Back

When I shop for a Samsung Gear S2 back, my first priority is compatibility. I always make sure the replacement back matches the exact Gear S2 model I own, because even small differences can affect the fit and seal. I also check whether the back includes the battery cover, charging contacts, or gasket, depending on what I need to replace.

Material and Build Quality

I pay close attention to the material because it affects durability and comfort. A good Samsung Gear S2 back should feel sturdy, fit securely, and hold up well to daily wear. I prefer parts made with quality plastic or metal finishes that match the original design and do not feel flimsy.

Water Resistance and Seal

Since the Gear S2 is designed with some level of protection, I always consider how well the back seals to the watch body. If the back is not installed properly or the gasket is weak, the watch may lose water resistance. I look for a replacement that comes with a proper seal or gives me confidence that it will close tightly.

Battery and Internal Access

If I am replacing the back because of a battery issue, I make sure the new back allows proper access and reassembly. I like parts that are easy to install without forcing anything. A poor fit can damage the watch or create charging problems, so I avoid anything that seems low quality.

Ease of Installation

I prefer a Samsung Gear S2 back that is simple to install, especially if I plan to do the repair myself. Clear product descriptions, included tools, and good reviews help me decide. If I have to struggle to align the back properly, I usually move on to a better option.

Original vs. Replacement Parts

I compare original and aftermarket parts carefully. Original parts usually give me more confidence in fit and finish, while aftermarket options can be more affordable. My choice depends on whether I want the closest match to the factory design or a budget-friendly repair.

Price and Value

I do not choose based on price alone. For me, the best Samsung Gear S2 back is the one that balances cost, quality, and reliability. A very cheap part may save money upfront, but if it fails quickly, I end up spending more later.

Final Thoughts

When I buy a Samsung Gear S2 back, I focus on fit, seal, durability, and ease of installation. I want a replacement that restores the watch without creating new problems. By checking these details carefully, I feel more confident that I am making a smart purchase.

Final Thoughts

I found the Samsung Gear S2 Back to be a practical and important part of the watch’s overall design, especially when it comes to comfort, durability, and sensor performance. My main takeaway is that even though it may seem like a small component, it plays a big role in how the Gear S2 feels and functions day to day. If I were choosing or replacing parts, I’d pay close attention to the back cover because it directly affects both fit and reliability.

Author Profile

Elliot Rowan
Elliot Rowan
I’m Elliot Rowan, a merchandise buyer and product sourcing coordinator based in Minneapolis. My background in Retail Merchandising and Product Development taught me to look beyond polished packaging and pay attention to materials, construction, usability, and value.

Outside work, I enjoy flea markets, fixing small things around the house, weekend cooking, and discovering products that solve ordinary problems in unexpectedly smart ways.

HoobyGroovy.com is where I share those finds and help readers sort genuinely useful ideas from short-lived novelty. I believe the best products do not demand attention. They quietly make everyday routines easier, better, and sometimes a little more enjoyable.