Phone Back Glass Replacement: Parts, Process & Real Cost

A cracked back glass with the front screen and phone otherwise working is one of the cheapest, most cosmetic-only repairs available — from £10.99 for iPhone 14 back glass in your exact colour. Unlike a front screen, a cracked rear panel usually doesn't affect function at all, which changes how urgently you need to fix it. Here's what the repair actually involves and what to expect.

On this page

• Is a cracked back glass actually urgent?
• Back glass pricing and colour options
• What the repair actually involves
• Laser separation vs full housing swap
• Why back glass connects to wireless charging
• How difficult is this as a DIY repair?
• How this differs on Samsung and other Android phones
• Choosing a repairer for laser separation work
• Preventing back glass damage
• FAQ

Is a cracked back glass actually urgent?

Not usually, from a function standpoint — if the front screen is intact and the phone otherwise works normally, a cracked rear panel is mostly cosmetic. That said, it's worth addressing for three practical reasons: sharp glass edges are a genuine cut risk during normal handling, a cracked rear panel compromises whatever water resistance the phone originally had, and small cracks tend to spread further with continued use and flexing in a pocket or bag.

Back glass pricing and colour options

Prices reflect current UK stock at the time of writing. Match your exact colour when ordering — check the product page gallery to confirm before buying.

🛒 Buy iPhone 14 Back Glass – £10.99

🛒 Buy iPhone 14 Pro Max Back Glass – £15.99

What the repair actually involves

Unlike a front screen, the rear glass on modern iPhones is bonded directly to the metal mid-frame — there's no simple peel-and-replace. The two realistic approaches are a laser separation process (removing just the cracked glass layer and bonding new glass in its place) or a full rear housing swap (replacing the entire mid-frame and rear glass as one assembly, then transferring all your internal components across). Laser separation is faster and cheaper when done properly; a full housing swap is more thorough but significantly more labour-intensive.

Laser separation vs full housing swap

Laser separation genuinely requires specialist equipment most home repairers don't have, which is why this specific repair is one where professional fitting is usually the more practical route unless you're doing a full housing transfer yourself.

Why back glass connects to wireless charging

On several models, the wireless charging coil is integrated into the rear glass module rather than sitting as a fully separate component, which is why some back glass listings specifically mention a wireless charging module included. Check the exact listing for your model to confirm whether wireless charging is bundled in or needs to be transferred separately from your original part.

How difficult is this as a DIY repair?

Genuinely harder than most other repairs on this list. A full housing swap means transferring the charging port, battery, cameras, buttons, and speaker into a new frame — essentially rebuilding the phone from the mid-frame out. Laser separation avoids that but requires equipment most people don't own. For most people, this is one of the repairs where booking a professional makes the most practical sense, even if you're comfortable with screens and batteries.

How this differs on Samsung and other Android phones

Many Samsung Galaxy models, including the S20 series, use a rear battery cover that's held with adhesive but not laser-bonded in the same way as recent iPhones — our Galaxy S damage causes guide covers this in more depth. This generally makes Samsung rear cover replacement a more approachable DIY job than an iPhone laser-bonded back glass repair, since it's closer to a standard adhesive-seal removal and refit rather than requiring specialist separation equipment.

Choosing a repairer for laser separation work

If you're going the professional route for a laser-separation repair, ask specifically whether they own laser separation equipment in-house or whether the phone is sent elsewhere for that step — this affects turnaround time. Also ask how they test water-resistance-relevant sealing after the repair, and whether the wireless charging coil (where applicable) is tested before you collect the phone.

Preventing back glass damage

• A case with a raised, protective back panel reduces the risk of a direct impact cracking the rear glass.
• Avoid placing the phone face-up on hard surfaces without a case, which puts the rear glass at direct risk from any drop.
• Be cautious with the phone in bags alongside keys or other hard, sharp items that can scratch or chip the glass over time.

FAQ

Can I replace just the glass without a laser machine?

Not cleanly — without proper separation equipment, DIY attempts to remove bonded rear glass often result in a cracked mid-frame or damaged internal components. A full housing swap is the realistic DIY alternative.

Does a cracked back glass affect anything functionally?

Usually not immediately, beyond compromised water resistance and a cut risk from sharp edges. It won't affect calls, apps, or the front screen.

Will my new back glass match my phone's original colour exactly?

Check the specific colour listing carefully — most models come in the full original colour range, but always compare against your device before ordering.

Is this repair covered by insurance?

Often yes, under accidental damage cover, though check your policy's terms since some treat cosmetic-only damage differently from front screen damage.

Is Samsung back cover replacement cheaper than iPhone back glass?

Generally more approachable as a DIY job due to the different construction, though pricing varies by specific model — check our Samsung-specific guides for exact current pricing.

Will a repaired back glass restore original water resistance?

Even a well-executed repair typically won't restore the phone's original factory water-resistance rating or certification, regardless of repair method.

Next steps

Find your model's back glass colour and price, or if you also need a camera fix, see our camera module replacement guide.