Cracked Screen vs Broken LCD — What’s the Difference and Which Do You Have?
Your phone took a hit. The screen looks damaged — but is it just the outer glass, or is the display underneath broken too? The answer changes everything about your repair. Here’s how to tell exactly what you’re dealing with.
Your Screen Has Two Layers
Most people think of their phone screen as one piece of glass. In reality it has two distinct layers stacked together:
The outer glass (digitiser) — the hard protective layer you touch every day. When this cracks, you see spider web patterns or chips at the edges. The phone often still works fine.
The display panel (LCD or AMOLED) — the layer that actually produces the image. When this breaks, you see black spots, coloured bleed, lines across the screen, or nothing at all.
Understanding which layer is damaged is the most important factor in your repair.
Signs It’s Just the Outer Glass
- Spider web cracks visible but the screen still shows a clear image
- Touch still works normally across the whole screen
- No black patches, colour bleed or lines on the display
- Crack is localised to one corner or edge
- Everything functions normally — just looks bad
Turn your brightness all the way up and look at the screen in a dark room. If the image is clear and uniform with no dark patches, your display is likely intact — only the glass is cracked.
Signs the Display Is Broken
- Black patch or ink bleed spreading from the crack
- Coloured horizontal or vertical lines across the screen
- Half the screen is dark or completely black
- Display shows strange colours or flickering
- Touch is unresponsive in certain areas
- Screen goes black but phone still vibrates and receives calls
If you see ink bleed or black spreading from a crack, the display layer is failing. Using the phone with pressure on a cracked display can make the damage spread further — repair sooner rather than later.
Does It Matter Whether You Have LCD or AMOLED?
Yes — the display technology affects how damage looks and what replacement involves.
LCD screens rely on a backlight. When the LCD layer cracks, you typically see white or coloured patches where the liquid crystals have leaked. The backlight may still glow but show a blotchy image.
AMOLED screens have individual pixels that emit their own light. When an AMOLED layer cracks, you typically see a dark black patch spreading from the impact point — because the damaged pixels simply turn off.
Can You Repair Just the Glass Without Replacing the Display?
On older phones with non-laminated displays, a glass-only repair was possible and significantly cheaper. On all modern smartphones from 2019 onwards, the glass and display are fused together in a single laminated assembly — meaning a display replacement is required even if only the glass is visibly cracked.
If a repair shop quotes you a “glass-only repair” on a modern iPhone, Samsung or Vivo at a suspiciously low price, ask them to clarify what they’re replacing. Some shops use lower-grade non-laminated replacement assemblies, which results in a visible gap between the glass and display, reduced colour accuracy and worse touch response.
We replace the full laminated assembly with Grade A parts — same resolution, touch sensitivity and brightness as your original screen. No visible gaps, no quality compromise.
What Should You Do Now?
This prevents glass fragments from cutting your finger and stops dust and moisture entering through the crack.
If the display is failing, it could go completely black at any time. Back up via iCloud, Google or a cable before that happens.
We’ll check both layers, confirm exactly what needs replacing and give you a fixed quote before any work starts.
Common Questions
My screen is cracked but everything works fine. Do I still need to repair it?
Not urgently — but sooner is better. A cracked outer glass has no structural integrity and the display underneath is now vulnerable. A second drop, even a minor one, is much more likely to destroy the display completely. A crack that costs $80 to fix today could become a $200 repair next week.
The crack is tiny. Will it spread?
Glass cracks do spread, especially with heat cycles (Singapore’s weather doesn’t help) and repeated pressure from daily use. A small corner crack can spread across the full screen within weeks.
Can I use my phone with a cracked screen?
Yes, but there are risks. Sharp glass edges can cut your finger. Dust and moisture enter through the crack and can cause display or board damage over time. If touch is affected, using the phone becomes frustrating and potentially unsafe.
How long does a screen repair take?
60 to 90 minutes for most models. Walk in to any of our 4 outlets — no appointment needed.
Free screen assessment
Walk in to any outlet — we’ll check your screen and confirm exactly what needs replacing before any work starts.
Westgate · AMK Hub · Bugis Village · Bedok Mall · 11am–9pm daily
