Phone Screen Spots Explained: Types, Causes & Repair Tips
                     Spots on Phone Screen: 
Causes, Fixes, and 
When to Repair It
Why dark spots appear, what you can try at 
home, and when it's time to call a pro.
DeviceFixes  |  devicefixes.com
What Are Screen Spots?
Dark marks beneath the glass, not dust or smudges. They come from failed pixels or 
damaged inner display layers.
Temporary spots Permanent spots
Caused by software glitches. They usually clear Caused by hardware damage. If the spot stays 
after a restart or a software update. visible over every app and background, it needs 
repair.
DeviceFixes  |  devicefixes.com 2
Common Types of Spots
Small black dot Spot in the corner
A damaged pixel. Stable at first, but it Drops hit corners hardest and crack 
can grow. inner layers, even if the glass looks 
fine.
Spreading black dot Gray or purple shadow
Signals LCD bleeding or a damaged Pressure damage or burnt-out 
OLED panel. AMOLED pixels distort nearby 
brightness.
DeviceFixes  |  devicefixes.com 3
Why Spots Appear
Pressure or drops
Even a short fall or a tight pocket can crack inner Signs it is spreading
display layers.
Pixel damage
OLED molecules fail on impact; LCD crystals leak from Flickering around the spot
cracks.
Moisture Reduced touch sensitivity
Even small amounts of internal moisture can kill pixel 
clusters. Color distortion
Manufacturing defect
Rare, but possible in new devices still under warranty. Uneven brightness
DeviceFixes  |  devicefixes.com 4
Fixes to Try at Home
1 2 3
Restart and check Light pressure Factory reset
Power off, wait, power on. If LCD only: power off, cover The last software step. Back 
the spot shows on the lock with a microfiber cloth, press up photos and files first, 
screen or in safe mode, it's gently around the spot, because a reset erases 
hardware. never on it. everything.
Why DIY usually fails: pixel-repair apps, screen massaging, and heat rarely fix hardware damage, and can 
widen internal cracks.
DeviceFixes  |  devicefixes.com 5
Repair or Replace?
Repair Replace the screen
Small, localized spot that isn't spreading. Spot is spreading, visibility suffers, or touch 
Technicians assess the display layers without fails. A new display restores reliability and 
replacing the whole assembly. picture quality.
What affects the cost
Screen type: OLED costs 
Phone model and brand Size and location of the spot
more than LCD
DeviceFixes  |  devicefixes.com 6
Prevent Future Spots
Avoid pressure and drops
Use a shock-absorbing case and keep your phone out of 
back pockets and tight spaces.
Add screen protection
Prevention costs far Quality tempered glass absorbs impact and spreads 
less than fixing force across the screen.
internal display 
damage. Keep it dry
Dry a wet phone right away and don't charge it until it 
has been checked.
DeviceFixes  |  devicefixes.com 7
We repair
Need Help With Screen 
iPhone
Spots?
Samsung
DeviceFixes smartphone repair services: expert 
Google Pixel
diagnosis and repair, with free pickup and drop.
Motorola
OnePlus
Visit devicefixes.com/smartphone