iFixit - Answers With Device "Samsung Galaxy Fold 4"

Samsung Galaxy Fold 4: Samsung Galaxy Z Fold 4 won't fully open

Fri, 30 Jan 2026 11:37:50 -0700

Recently, my Fold 4 stopped opening 100%. Now when using apps that require touch from the middle of the folded screen, it doesn't always register the touch. Is there any guides on how to fix this issue? I haven't even had this phone 2 years and it's a $2000 device. I've read a ton of complaints about this issue, but no real solutions to fix it other than take it to Samsung and have them repair, which they argue with some customers and won't repair it. Please help!

⟐ Commented January 30, 2026 at 11:37 MST

Samsung Galaxy Fold 4: Why my phones folding display only works when it's open half.

Thu, 03 Jul 2025 11:46:49 -0700

My phone's folding display won't work if i unfold it fully and it only works when i unfold it half and the main screen selfie camera also failed and dont working.

⟐ Answered July 03, 2025 at 11:46 MST

Samsung Galaxy Fold 4: Main screen works then not now it doesn't work fold screen is fine

Sun, 24 Sep 2023 04:37:35 -0700

My z fold 4 main screen is not working but it does then doesnot work its a motherboard problem not a screen problem

Samsung says 1000 dollars will fix it lol

Samsung Galaxy Fold 4: Both Wi-fi and Bluetooth are no longer able to be turned on.

Mon, 24 Nov 2025 06:31:09 -0700

Both my wifi and Bluetooth will not turn on when I try to activate them. I haven't changed anything that could have caused them to go out.

⟐ Answered November 24, 2025 at 6:31 MST

Samsung Galaxy Fold 4: Why my phone works only when pluged in charge, and off when unpluged

Wed, 08 Nov 2023 08:31:05 -0700

my phone works when i plug it into the charger but if i unplug it emmediatelly switch off.

it looks as if i am using a laptop with no battery in it, to use the laptop i always have to plug the charger otherwise it shuts down.

thanks, inadvance

⟐ Answered November 08, 2023 at 8:31 MST

Samsung Galaxy Fold 4: Why is my phone battery dying so fast?

Mon, 25 Nov 2024 16:35:26 -0700

I charge my phone up to 85% and my phone will not spend the whole day with power, l have to charge it twice a day. What can l do to fix this?

⟐ Answered November 25, 2024 at 16:35 MST

Samsung Galaxy Fold 4: Folding Screen -- Lines of Failing Pixels

Sat, 10 Feb 2024 10:57:53 -0700

Has anyone found what is causing the common issue of lines of pixels failing on the folding screen?

For example -- I am on my second Fold 4. The previous Fold 4 and this one has the same issue. A column of discolored pixels running the entire length of the folding screen's crease; and a row of bright white pixels at the very top of the right side of folding screen (running from crease, through camera area, to right side bezel).

Sidenote: I am severely disappointed in Samsung's warranty. A reason for choosing this phone was the relief of it having a warranty. If there is even a scuff on the paint -- they deny coverage. It is borderline criminal. These devices are carried with us all day, every day -- a scuff/scratch/scrape should be normal wear. If my car gets a scratch, the manufacturer does not deny warranty. (end rant)

Samsung Galaxy Fold 4: Black Screen of Death

Wed, 08 Nov 2023 09:15:44 -0700

The outer display on my Fold 4 suddenly stopped working, went to Samsung service center and they said it needs replacement without even verifying if it is just disconnected or actually broken. Anyway few days later they called me and said in order to fix the outer display they also need to replace the inner display (and want me to pay for both), so my question is, is it true that the outer display cannot be replaced without replacing the inner display?

Samsung Galaxy Fold 4: I lost both sims (it is a dual sim, USA spec Fold 4) why?

Fri, 27 Oct 2023 14:03:33 -0700

Sim 2 died first, then Sim 1, with Sim i'm referring to the mainboard not recognizing the sim cards. Had to resort to using an eSIM which saved the day and the phone, has anyone been through this? oh and btw Samsung said it has no repair

Samsung Galaxy Fold 4: Fingerprint sensor not working - Calibration needed

Fri, 13 Oct 2023 05:17:25 -0700

I am getting the following error : Fingerprint sensor not working , and on the lock screen : fingerprint not responding, i send the device to service and they return it with a comment we recalibrated the sensor and they send it back.
after resetting the device and installing all my apps again , one day after the sensor stop working again , the questions' is how to calibrate the fingerprint , * removing and adding fingerprint is not an option it blocked with the error above , even full hard rest for the device don't help that last time .

⟐ Edited by author October 13, 2023 at 5:17 MST

Samsung Galaxy Fold 4: Why is my camera not taking pictures?

Wed, 04 Feb 2026 22:17:42 -0700

Whenever I want to open camera so I can take pictures, the app will just stop without taking any pictures.

⟐ Answered February 04, 2026 at 22:17 MST

Samsung Galaxy Fold 4: Why my phone doesn't open completely?

Fri, 02 May 2025 13:53:51 -0700

When opening my Z fold 4 it doesn't open flat. I cleaned it and made sure the cover is not in the way.

I was informed by Samsung care that I have to change the whole screen which is expensive so any other suggestions please?

⟐ Answered May 02, 2025 at 13:53 MST

Samsung Galaxy Fold 4: My second screen have two black dots

Fri, 02 May 2025 13:45:24 -0700

How is fix it?

⟐ Answered May 02, 2025 at 13:45 MST

Samsung Galaxy Fold 4: water damage and burnt smell, turned off by itself and no longer booti

Tue, 13 Jan 2026 07:12:38 -0700

already had inner screen repair in the past and now it fell into water
was relaxing when heard a static shortcircuiting noise and smelled like burnt metal
checked my phone because closest thing that it could be.
now seeking a solution to either repair it or somehow access my data for the cheapest i could since i dont have much money and lost access to all my email and method of recovery and lost access to my all method of payment due to losing access to my banks

Samsung Galaxy Fold 4: Samsung Fold 4 not unfolding 100%. Adhesive/Film?

Sat, 05 Jul 2025 15:11:52 -0700

Recently, I noticed a film starting to lift on the hinge of my Samsung Fold 4. At first, I thought it was just the factory film that I’d forgotten to remove, but when I tried to peel it, I realized it wouldn’t come off. I only lifted a small section before pressing it back down. Immediately afterward, my phone stopped opening fully, and the issue has gradually worsened.

I don’t think the hinge is broken or dirty—I suspect the film has bunched up inside and is causing the problem. I’m considering using a 0.01mm iFixit blade to try and fix it myself, but I’d really appreciate any guidance.

If the blade alone isn’t enough and I want to handle the repair myself (since professional repair costs are so high), what tools or supplies should I buy to make this as easy and successful as possible? Any links to videos, recommended tools, or advice would be greatly appreciated.

Thank you for your help!

—A very stressed Samsung Fold 4 user

⟐ Edited by author July 05, 2025 at 15:11 MST

Samsung Galaxy Fold 4: My secondary screen black out

Thu, 08 Aug 2024 06:00:42 -0700

how to fix my lcd

⟐ Edited August 08, 2024 at 6:00 MST

Samsung Galaxy Fold 4: screen issue not open fully

Wed, 19 Jun 2024 12:12:34 -0700

dear sir,

I have Samsung fold 4 last 8 month i m using before the screen open 100% but now between in center the showing line& not open fully can you please help me for this thank you.

Samsung Galaxy Fold 4: Won't power on fully

Sun, 02 Jun 2024 19:54:04 -0700

On restart, phone will not go past welcome screen. The only way to power up is holding volume and power buttons. Then it powers up and stays on pink screen

⟐ Answered June 02, 2024 at 19:54 MST

Samsung Galaxy Fold 4: Why is my display when I open doesn't work and doesn't fully open

Tue, 28 May 2024 21:24:23 -0700

Why is my display when I open doesn't work and doesn't fully open

Samsung Galaxy Fold 4: "Battery temp too low, charging disabled" Warning

Wed, 15 May 2024 10:30:18 -0700

I get an indicator that charging has ceased because the battery temperature is too low. Wont charge at all.

⟐ Edited by author May 15, 2024 at 10:30 MST