Hey! If your LG phone screen is flickering, we can narrow it down with safe checks (no risky “wipe everything” advice).

First, I want to clarify what kind of flicker you’re seeing, because people use the same word for totally different symptoms:
• Brightness pulsing (screen gets lighter/darker by itself)
• Quick flashing (like a strobe, especially on low brightness)
• Lines or color shifts (green line, purple tint, “static” look)
• Flicker only in certain apps (camera, gallery, social apps)

Quick questions — answer any you can, in any order:
1) What LG model (roughly)?
2) When did it start? after an update, drop, water exposure, or “out of nowhere”?
3) Does it flicker on the lock screen too, or only after you unlock / open apps?

That “worse at low brightness / worse at night” detail is a big clue. A lot of people think it’s a broken screen immediately, but it can also be a display setting, an app overlay, or the phone struggling under load.

Let’s do this step-by-step and keep it safe. I’m trying to separate two buckets:
• Software/setting-related flicker (adaptive brightness, eye comfort filters, an app causing redraws)
• Hardware-level flicker (panel/connector damage, pressure, liquid, or aging components)

Two questions that sound simple but help a lot:
• Does it flicker in screenshots? (If you take a screenshot during a flicker moment and then view the screenshot on another device, does the flicker/lines appear in the image, or is the screenshot “normal”?)
• Is it tied to charging? Some phones flicker more while plugged in, especially with certain chargers or if the device is warm.

Thanks — that’s enough to start a careful diagnosis path without guessing.

Here’s the order I like because it avoids rabbit holes:
Step 1 (pattern check): Does the flicker show up on the LG logo screen while it’s booting, or only once Android is running?
Step 2 (brightness trigger): Temporarily raise brightness to mid-level and see if the flicker changes (not as a “fix,” just a clue). If the flicker mostly disappears at higher brightness, it’s often a different category than “flickers all the time.”
Step 3 (charging/heat clue): Try a short test off the charger, case off, on a hard surface. If it calms down when cooler, heat/battery stress may be part of it.

Before that: when it flickers, do you ever see lines (green/white), a half-screen shimmer, or is it mostly full-screen flashing/dimming?

That points more toward a software/brightness-control issue than obvious panel damage, but we still confirm with safe tests.

Here are two checks that are “high value” and low risk:
• Screenshot test (quick and surprisingly useful): When you notice the screen flickering, take a screenshot. Then send/view that screenshot on another device (or even a computer). If the screenshot looks normal elsewhere, that suggests the issue is in the display/panel behavior rather than the phone drawing the image incorrectly.
• Safe Mode comparison: If the flickering stops or gets noticeably better in Safe Mode, a third-party app (launcher, accessibility tool, “screen dimmer,” cleaner/booster, blue-light filter, ad-block overlay) is a common trigger.

Also, because you mentioned charging: what charger are you using — original LG charger, random cable/brick, or a fast charger from another brand?

Yes — those are exactly the kinds of apps that can change how the screen “renders” or applies overlays, especially at low brightness. It doesn’t mean they’re “bad,” just that they can be involved when flicker starts suddenly.

I’m not going to tell you to uninstall everything. Instead, we use Safe Mode as a clean test environment.

Here’s how I’d interpret results (no pressure, just the logic):
• Flicker disappears or becomes much rarer in Safe Mode → likely app/overlay/setting interaction.
• Flicker is exactly the same in Safe Mode → more likely system-level, heat/charging, or hardware behavior.

One more “symptom” question: when it flickers, does the touch still respond normally, or does the phone feel like it’s freezing for a second too (lag, taps not registering)?

Great diagnostic signal: if the screenshot looks normal elsewhere, the phone is probably drawing the image fine — the flicker is more about the display output (brightness control, refresh behavior, charging/heat influence, or the panel itself) rather than corrupted graphics in the apps.

The brief stutter can happen when the phone is adjusting brightness, switching display modes, or when a background process spikes (updates, storage pressure, accessibility service).

Safe next checks (still non-destructive):
• Safe Mode test for a little while (long enough to reach the “night/low brightness” scenario where you normally see flicker).
• Charging comparison: test with a different charger/cable for one session, or try running off battery only to see if flicker changes. Random fast chargers can sometimes add instability, especially if the phone is warm.
• Note if it’s tied to specific screens (home screen only, camera preview, video playback, lock screen). That pattern often points to a setting/app category.

If you try Safe Mode, does the flickering become noticeably better, worse, or the same?

That’s a very practical result. If your LG screen flickering is reduced in Safe Mode, it strongly suggests a third-party app or overlay is part of the chain — especially anything that changes brightness/color, draws over other apps, or runs accessibility features in the background.

You don’t need to guess the exact “culprit” immediately. The safe approach is to use what you learned:
• The issue is more likely software/overlay-related than a sudden display hardware failure.
• The night filter app is a strong suspect because it changes the display behavior right where you notice the problem (low brightness/night use).
• Charging/heat can amplify it, so it’s worth noting whether it’s worse on a fast charger or when the phone is warm.

If you want the cleanest next clue without doing anything drastic, try describing one last detail: does the flicker look like a smooth brightness pulse or a sharp “blink” to darker/black? That difference often tells whether it’s a brightness-control feature vs an overlay redraw glitch.