Samsung Galaxy A57 Back Cover Replacement Guide – Fix Cracked Housing (UK 2026)

The Samsung Galaxy A57's back cover is more than cosmetic – it protects the battery, motherboard, and camera system from external damage, and in variants with wireless charging, enables the Qi coil to function efficiently. A cracked or broken A57 back cover needs prompt replacement to maintain the phone's structural integrity and full feature set. This guide covers Samsung Galaxy A57 back cover replacement in the UK in 2026.

Find Samsung Galaxy A57 back covers at Supreme Phone Parts – Samsung A Series.

A57 Back Cover Materials

The Galaxy A57 back cover is polycarbonate with a premium-textured or smooth finish. Some colour variants include a frosted or gradient finish that gives the A57 a distinctive premium appearance. The polycarbonate material is durable but can crack on sharp impacts, and the surface can scuff over extended daily use.

Why A57 Back Cover Replacement Matters

• Wireless charging: Cracks in the back cover reduce Qi charging efficiency and in some cases prevent it entirely
• Water resistance: The A57's water resistance rating requires an intact back cover seal – cracks allow moisture ingress
• Structural integrity: The back cover contributes to the chassis rigidity that protects motherboard and battery
• Camera protection: Cracks around the camera island allow moisture access to camera modules
• Resale value: A pristine back cover significantly improves second-hand value

A57 Back Cover Replacement – Step by Step

Step 1: Power Off

Power off the A57 completely before starting.

Step 2: Heat the Back Cover Perimeter

Apply heat around all four edges for 60–90 seconds. The A57 uses perimeter adhesive – heat is essential for clean separation without chassis damage.

Step 3: Pry and Separate

Insert plastic picks around the perimeter, working from a lower corner. Pay special attention to the top edge near the camera island – the camera module creates a narrower separation path here.

Step 4: Clean and Prepare

Remove all adhesive residue from the chassis with IPA. Ensure the chassis is completely clean and dry before installing the new cover.

Step 5: Install New Cover

Align precisely – particularly around the USB-C port cutout at the bottom and camera island at the top. Press down firmly with even perimeter pressure. Allow 20–30 minutes for adhesive cure.

A57 Back Cover Cost (UK 2026)

Frequently Asked Questions – A57 Back Cover

Q: How much does Samsung Galaxy A57 back cover replacement cost in the UK?
A: Standard polycarbonate back cover costs £10–£25. Professional replacement totals £28–£55. Premium finish variants cost £16–£32 for the part.

Q: Will a replacement A57 back cover support wireless charging?
A: Yes – replacement polycarbonate back covers are fully compatible with wireless charging. Qi signals pass through polycarbonate without obstruction.

Q: Does replacing the A57 back cover restore water resistance?
A: Replacing the back cover with proper adhesive restores the physical seal, but official IP water resistance certification requires factory testing. Professional repair shops that use appropriate adhesive can restore practical water resistance.

Q: How do I know if my A57 needs a back cover replacement?
A: Visible cracks, separation from the chassis at any edge, sharp edges that cut hands, or a noticeably thicker profile on one side (indicating internal battery swelling) are all reasons to replace the back cover immediately.