Introduction

You drop your phone, pick it up and breathe a sigh of relief. The screen is cracked, but everything still seems to work.

The touchscreen responds. You can make calls. Your apps open normally. The phone even charges.

So, is it really a problem?

Yes, it can be.

A cracked screen isn’t always just a cosmetic issue. Even if your phone appears to be working normally, damage to the glass or display can become worse over time and may expose you to sharp edges, touch problems, display failure or further internal damage.

If you’ve been carrying around a cracked phone because “it’s still working,” here are some warning signs you shouldn’t ignore.

1. The Crack Is Getting Bigger

One of the first signs that your screen needs attention is a crack that continues to spread.

A small crack caused by a single drop can gradually extend as your phone is placed in your pocket, bag or hand. Everyday pressure, temperature changes and additional knocks can make existing damage worse.

What starts as a small line in the corner could eventually spread across a large part of the display.

If the crack is growing, it’s better to have the screen assessed rather than waiting for it to fail completely.

2. Touchscreen Problems Start Appearing

Your screen may still display everything perfectly while the touch layer underneath begins to develop problems.

Watch out for:

• Certain areas not responding to touch

• Delayed responses

• Touches registering in the wrong place

• Apps opening without you touching them

• Difficulty typing

• Swiping that suddenly stops working

These issues can make your phone increasingly difficult to use.

They can also create a safety concern if you cannot reliably control important functions such as calls, navigation or emergency features.

3. You Notice Flickering or Lines on the Display

A cracked screen can sometimes be accompanied by display damage.

If you start seeing:

• Flickering

• Vertical or horizontal lines

• Black spots

• Bright or dark patches

• Discolouration

• Parts of the display going completely black

don’t assume the problem will fix itself.

These can indicate that the display itself has been damaged rather than just the outer glass.

4. Black Spots Are Appearing

A small black mark on your screen might seem harmless, but it can be a sign of damage underneath the glass.

If a black area begins to spread, you may eventually lose visibility across part of the display.

The longer you continue using a damaged display, the more difficult it can become to determine exactly what components need replacing.

5. The Glass Is Sharp or Starting to Lift

This is one of the most important warning signs.

If broken glass has sharp edges, avoid running your fingers across the damaged area. A cracked screen can cause cuts, and Apple specifically warns users not to use an iPhone with cracked glass because it may cause injury.

You should also pay attention if the screen begins separating from the phone’s frame.

A display that is lifting or visibly separating should be inspected by a professional as soon as possible.

6. Your Phone Is Suddenly Acting Differently

After a serious drop, the screen may not be the only component affected.

A phone that has suffered physical damage can potentially develop other problems, including issues with:

• Cameras

• Speakers

• Microphones

• Sensors

• Charging

• Buttons

• Connectivity

If something starts behaving differently after the phone has been dropped, don’t assume it’s unrelated.

A professional inspection can help determine whether the problem is connected to the original impact.

7. The Screen Goes Black but the Phone Is Still On

This can be particularly frustrating.

You may hear notifications, feel vibrations or receive calls, but the display doesn’t show anything.

This could indicate damage to the display or its connection rather than a problem with the entire phone.

If your phone is still receiving notifications but the screen remains black, avoid repeatedly pressing or bending the device to try to make it work.

It’s better to have it assessed.

8. The Phone Has Been Exposed to Water After the Screen Cracked

A cracked screen can potentially compromise the protection that the device was designed to provide.

That doesn’t mean every cracked phone will immediately suffer water damage, but it is a good reason to be extra cautious around liquids.

If a phone has a cracked screen and is subsequently exposed to water, professional inspection may be worthwhile.

Avoid deliberately testing whether the phone is still water-resistant.

9. The Phone Gets Unusually Hot

If your phone becomes unusually hot after being dropped or damaged, don’t ignore it.

Physical damage can affect more than the display, and Apple advises discontinuing use if you suspect damage to the iPhone or its battery because damaged components can present overheating or injury risks.

If the device becomes excessively hot, smells unusual, starts swelling or shows other signs of serious damage, stop using it and seek professional assistance.

Can You Keep Using a Cracked Phone?

It depends on the extent of the damage.

A very small crack may not immediately affect how the phone operates. However, continuing to use a damaged screen comes with risks.

The crack could spread, touch sensitivity could deteriorate, or additional damage could develop after another drop.

There is also the practical issue of broken glass.

If the screen is sharp, badly damaged, lifting, flickering or affecting touch, don’t ignore it simply because the phone still turns on.

Should You Repair or Replace the Phone?

A cracked screen doesn’t automatically mean you need a new phone.

In many cases, a screen repair can be a more practical option, particularly if the phone is otherwise working well.

Before replacing your entire device, consider:

• The age and condition of the phone

• The cost of screen repair

• Battery condition

• Overall phone performance

• Whether other components are damaged

• The cost of buying a replacement device

A professional technician can inspect the phone and help you understand your repair options.

Why Professional Screen Repair Matters

A modern smartphone display is more than just a piece of glass.

Depending on the model, the display assembly can involve touch functionality, sensors, cameras and other components that need to work correctly together.

Apple recommends having iPhone displays repaired by trained technicians and notes that repair quality and parts can affect safety and functionality.

That’s why a professional repair is preferable to simply covering the crack and hoping for the best.

What Should You Do After Cracking Your Screen?

If your phone is still usable, take a few sensible steps:

Back Up Your Data

Before any repair, make sure your important photos, contacts, documents and other data are backed up where possible.

Protect the Damaged Area

If the glass is cracked but stable, avoid putting unnecessary pressure on the damaged area.

A temporary screen protector may help reduce contact with loose glass, but it isn’t a replacement for repairing a badly damaged screen.

Avoid Water

Be especially careful around water and other liquids when your phone has suffered physical damage.

Don’t Press or Bend the Phone

Trying to push a lifted screen back into place can potentially make the damage worse.

Get the Phone Checked

If you notice worsening cracks, touch problems, display abnormalities or other symptoms, arrange a professional inspection.

Don’t Wait Until the Screen Stops Working

The biggest mistake people make with a cracked phone is waiting until it becomes completely unusable.

By then, what started as a straightforward screen problem may have developed into additional damage.

If your phone has a cracked screen but is still working, consider having it checked before the problem gets worse.

Need a Cracked Screen Repaired?

If you’ve damaged your phone in a drop or accident, Covent Garden Tech can help you explore your repair options.

Whether the screen has a small crack, severe damage or is starting to develop touch and display problems, getting it assessed professionally can help you understand whether a screen repair is the right solution.

Don’t wait for a working phone to become a broken phone. Get your cracked screen checked and protect your device before the damage gets worse.

Visit Covent Garden Tech to learn more about phone repair services and available repair options.