Touchscreen and display faults on the Galaxy S22+ include ghost touches, a screen that lags, and a green or colored vertical line. The line is a documented problem on the S22 and S22+ discussed at length on Samsung Members: it appears as a thin green line down the display, sometimes after a software update in December, and owners and repair sites agree that it is a failed row of pixels that cannot be fixed by software, so the display needs replacing. A thread titled No free replacement shows that coverage varies, so ask Samsung about the policy where you live.
For touch response, remove the protector and clean the screen, restart the phone and check Touch sensitivity under Settings, Display. Test in Safe mode: if touch works there, an installed app is the cause.
The checks in more detail
If a section never responds, or a line spreads or flickers, stop using the phone for sensitive tasks and book a repair. Samsung Members offers a touch screen diagnostic that draws a grid and lights each square as you touch it, so you can see exactly which areas are dead, and a photograph of that screen helps a repair claim. If the line appeared after an update, note the date and the software version for the repair desk, since owners on the community say that evidence helped them argue for a free repair.
Samsung's One UI also has Easy mode and Touch and hold delay settings in Accessibility that change how the screen reacts, so a phone that registers presses too late or too early may simply have one of these changed; check Settings, Accessibility, Interaction and dexterity.
Differential
Likely causes of “Samsung Galaxy S22+ screen or touch input is not working correctly”, and how to tell them apart
- 1
A protector or case
What separates it Touch is patchy
How to confirm Remove it and test; turn on Touch sensitivity
- 2
Dirt or moisture
What separates it Random taps
How to confirm Clean and dry the screen
- 3
An installed app
What separates it Touch works in Safe mode
How to confirm Remove recent apps
- 4
A failed pixel row
What separates it A green or colored vertical line
How to confirm Display replacement from Samsung
- 5
A failing digitiser
What separates it Dead areas in Safe mode
How to confirm Contact Samsung
Before you touch a setting
Record this first — changing settings destroys the evidence
- Whether a line is visible and its color
- Whether it works in Safe mode
- Whether a protector is fitted
- When it first appeared
Try in this order
0 of 8 completedRemove the protector and case
ReversibleTest the bare screen.
Turn on Touch sensitivity
ReversibleSettings, Display, Touch sensitivity.
Restart the phone
ReversibleHold power and volume down, then Restart.
Test in Safe mode
ReversibleTo tell apps from hardware.
Photograph a line
ReversibleTake a picture of the line and the date it appeared for the repair.
Book a repair
ReversibleContact Samsung if a line or dead area is present.
Run the touch diagnostic
ReversibleSamsung Members, Phone diagnostics, Touch screen, and drag across the grid.
Record the date and software version
ReversibleSettings, About phone, note the version, and write down when the line first appeared.
Model-specific
What is true of this model and not of its siblings
- A known S22 issue
- The green line is widely reported on S22 and S22+ phones.
- Back up
- A failing panel can worsen quickly.
- Evidence for a repair
- Dates and software versions help a repair claim.
- The grid test
- It shows dead areas clearly.
Stop boundary
When this stops being a self-service repair
- !If a line appears, contact Samsung for a display repair and ask about cover
- !If touch fails in Safe mode, book service
- !Back up before a repair
Evidence ledger
Sources behind this answer
An S22+ owner with a green line on the display.
Repair answers for a green line on an S22+ screen.
Known S22 faults with fixes: camera, speaker, charging, Wi-Fi and more.
Exact questions
Common questions
Why does my S22+ have a green line?+
A failed row of pixels in the display.
Can software fix it?+
No, the display needs replacing.
Is the repair free?+
It varies; ask Samsung.
Does Safe mode help?+
It separates apps from hardware.
Where is the touch diagnostic?+
In Samsung Members.
Why note the software version?+
It shows whether the fault followed an update.