When it comes to choosing a mobile cover for your smartphone, you want a perfect blend of protection, style, and usability. At Sirphire, we understand your need for functionality and fashion, and that’s why we offer an exclusive range of back covers for your favorite devices like the Samsung M31 and Samsung S20 FE. Each Sirphire back cover is carefully crafted using top-quality materials, keeping in mind the daily demands of modern life, while also showcasing exquisite designs such as Moon Light, Stylish, Graceful Floral, Simply Elegant, Dragon Ball, Off White, Ultramarine, Aesthetic, Snoopy, and Ultramarine Glass. Read on to explore our unique offerings.
Ultra-Slim Silicone Shockproof Back Cover
Our Ultra-Slim Silicone Shockproof Back Cover is engineered for those who love minimalist designs without compromising on protection. This cover fits snugly around your phone, enhancing its sleek form factor while safeguarding it from everyday drops and bumps. Made from high-quality, flexible silicone, it ensures your Samsung M31 back cover or Samsung S20 FE back cover resists shock impacts with ease. The slim construction allows for comfortable pocket use and a lightweight feel. Combine this with our Off White or Ultramarine designs, and you have a cover that radiates understated elegance.
Clear Transparent Case with Scratch Protection
Show off your smartphone’s original design with our Clear Transparent Case with Scratch Protection. Designed using anti-yellowing TPU material, this case ensures long-lasting clarity while resisting scratches, fingerprints, and smudges. It’s perfect for those who appreciate the natural aesthetic of their phone but want to keep it safe. This option is ideal for fans of our Ultramarine Glass or Simply Elegant designs. The precision cutouts and seamless fit ensure full functionality while protecting your Samsung M31 or Samsung S20 FE.
Heavy-Duty Military Grade Rugged Back Cover
If you’re the type who takes your phone on every adventure, then our Heavy-Duty Military Grade Rugged Back Cover is made for you. Constructed using multi-layer technology and tested for military-grade protection, this case can withstand drops, impacts, and extreme usage conditions. The rugged structure also provides a firm grip and features raised edges for enhanced screen and camera protection. Pair this with our bold Dragon Ball or Aesthetic themes to project strength and personality. Whether you’re protecting a Samsung M31 back cover or a Samsung S20 FE back cover, this rugged option won’t let you down.
Premium PU Leather Finish Protective Case
Step into luxury with the Premium PU Leather Finish Protective Case from Sirphire. Offering a rich texture and a classic feel, this case is designed for those who prefer sophistication and durability. The inner soft lining protects your phone from scratches, while the exterior adds a premium touch to your everyday device. It’s ideal for professionals or anyone who enjoys a more refined style. Choose from our Stylish or Moon Light patterns to elevate your phone’s appearance while keeping it protected. It’s an excellent choice for both Samsung M31 back cover and Samsung S20 FE back cover seekers.
Slim Profile Carbon Fiber Pattern Back Cover
For those who value modern style with a tech-savvy twist, our Slim Profile Carbon Fiber Pattern Back Cover is the perfect match. With its carbon fiber texture, this cover delivers a futuristic aesthetic that’s both lightweight and highly durable. Its slim profile maintains the original feel of your phone, while offering excellent resistance against scratches and shocks. The pattern beautifully complements designs like Off White, Ultramarine, or Dragon Ball, giving your device a commanding presence. An ideal option for those looking for a slim yet durable Samsung M31 back cover or Samsung S20 FE back cover.
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Wireless Charging Friendly Sleek Back Case
Convenience meets elegance with our Wireless Charging Friendly Sleek Back Case. Specially designed to support Qi-enabled wireless charging without the need to remove the case, this model is made with precision molding and premium-grade TPU materials. Its ultra-thin profile ensures uninterrupted charging performance while protecting against daily wear and tear. Available in graceful styles like Graceful Floral, Simply Elegant, or Moon Light, this cover is perfect for users who demand functionality with flair. Ideal for both Samsung M31 and Samsung S20 FE, this case merges form and performance.
Non-Slip Rubber Grip Textured Back Cover
Accidents happen, but not with the Non-Slip Rubber Grip Textured Back Cover. Crafted for ultimate grip, this cover features a unique rubberized texture that prevents slips and drops even during intensive use. The raised bezels protect your screen and camera lens from scratches when placed on flat surfaces. A fantastic match for our vibrant Snoopy or Aesthetic designs, this case is perfect for users with active lifestyles. It’s especially suitable for students, travelers, and anyone looking to enhance their Samsung M31 back cover or Samsung S20 FE back cover with a practical yet fun design.
Dual-Layer Shock Absorbent Hybrid Case
Our Dual-Layer Shock Absorbent Hybrid Case is built to offer the best of both worlds—style and robust protection. The dual-layer structure consists of a hard outer shell and a soft inner layer to absorb shocks efficiently. It provides enhanced drop protection without compromising on aesthetic appeal. With design options like Dragon Ball, Ultramarine, or Graceful Floral, you can personalize your case to match your personality. Whether you’re dealing with the challenges of everyday life or unexpected tumbles, this hybrid case has your Samsung M31 or Samsung S20 FE covered.
Personalized Printed Design Custom Back Cover
Your phone is an extension of your personality. With the Personalized Printed Design Custom Back Cover, you can make that statement loud and clear. Choose from our curated collection of creative designs including Snoopy, Aesthetic, Stylish, Ultramarine Glass, and more—or even upload your own artwork. This case offers scratch resistance, durable printing, and vibrant colors that last. The perfect gift for yourself or a loved one, this cover is compatible with both Samsung M31 back cover and Samsung S20 FE back cover, offering a personal touch to premium protection.
360-Degree Full Body Protective Back Cover
For the ultimate protection, look no further than the 360-Degree Full Body Protective Back Cover. This case covers your phone from every angle, including front, back, and sides, with a built-in screen protector. Ideal for rugged environments or anyone prone to accidents, this case ensures your phone remains in pristine condition at all times. It is available in powerful, all-encompassing designs like Ultramarine, Moon Light, or Simply Elegant, making it a functional yet fashionable choice for any Samsung M31 or Samsung S20 FE user who refuses to compromise on safety.
Why Choose Sirphire?
At Sirphire, our mission is to combine innovation, protection, and artistic expression in every mobile cover we offer. Whether you’re searching for a slim case for everyday use, a rugged cover for outdoor adventures, or a designer case to express your unique style, we have you covered—literally.
Our Samsung M31 back covers and Samsung S20 FE back covers come with:
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Precision Fit – Designed exclusively for Samsung phones, ensuring proper port access and camera protection.
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Durable Materials – From military-grade rugged cases to luxury leather finishes, our materials are tested for long-term durability.
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Stylish Designs – With options like Dragon Ball, Snoopy, Graceful Floral, and Ultramarine Glass, there’s something for everyone.
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Functional Innovation – Wireless charging compatibility, non-slip grip, and hybrid protection meet modern-day needs.
Upgrade your phone’s look and safety with Sirphire—where style meets substance.