Display garbled on powering on after powering down to remove SIM2

[swarfendor437]

Today I turned off my Fairphone 3+ purchased from new from Murena, currently running 3.0.4-t-20250709507786-official-FP3. It has not been rooted. I removed the battery to remove unused 2nd SIM. Rebooted and screen was garbled with RGB pixels covering the whole screen. Pressing the power button to turn off did nothing. I have 10 Gb of free storage internally. Could this be the issue or do I need a new screen? I have written this post using said phone when it finally recovered.

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[MistyPigeon]

10GB is enough for the OS,its the screen

[tcecyk]

@swarfendor437

I removed the battery to remove unused 2nd SIM.
…
I have written this post using said phone when it finally recovered.

like this Screen shows random noise ~ snow (after fall) ? could be a loose connector. The screen is fine if it can recover at all

[swarfendor437]

Yes, just like that. I will take a look at the video in that other link. Many thanks.

[swarfendor437]

Well issue appears to have gone away. Thanks to all who responded. Havenct taken phone apart to check connections.

[AnotherElk]

@swarfendor437

Havenct taken phone apart to check connections.

Sometimes this nonintrusive part here from the linked topic could just do the trick …

Screen shows random noise ~ snow (after fall)

Make sure not to leave out iFixit’s Step 9 advice: To reinstall the display-module press it into place on all sides until you can hear a snap from the plastic clamps to make sure it sits flush with the frame. From my own experience, this is necessary – the screws are important, but somehow they won’t automatically make the plastic clamps snap into place.

(I’m repeating it here to increase the chances for affected users to see it.)

[swarfendor437]

I did do some gentle pushing round the screen edge but no clicks heard.