Original topic:

Defective mainboard on Fold 7 - need replacement device

(Topic created: 02-20-2026 04:00 AM)
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user_45gfds5rtju
Constellation
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Fold & Flip Phones

I am seeking guidance regarding my Samsung Galaxy Z Fold 7 (512GB), purchased on July 27 shortly after its launch.

Within six months, the device experienced a mainboard/GPU failure. For a premium flagship foldable device at this price point, such an early major component failure does not align with reasonable expectations of durability and long-term reliability.

Although warranty repair has been offered, replacing the mainboard does not fully address concerns about overall device integrity. A core hardware failure at this stage raises legitimate questions about future reliability, especially for a device positioned and priced as Samsungโ€™s top-tier foldable offering.

Given the circumstances, I believe a full unit replacement would be more consistent with the quality standards and customer confidence associated with Samsung flagship products.

I would appreciate any guidance from community members or Samsung moderators on the appropriate path for further escalation and review.

 

4 Replies
nullandvoid
Comet
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Fold & Flip Phones

This is a peer-to-peer user help forum.  You need to address your concern to Samsung support.  No one here can help you. But, I will tell you that replacing a main board effectively gives you a new device.  There is no need to give you a whole new shell and new components, if it's the mainboard that has been identified as defective.  Unless, at some point, it has been determined that some other component caused the mainboard to fail, replacing the mainboard would fix your issue.  They are not going to give you a new handset, it's not their policy.  Even if they deemed the entire device unrepairable, they would likely replace it with a refurbished, not new, device. If you had insurance or Care+, it's likely you would get a new device - but not ever with a standard warranty.

As for the failure and the "integrity" of the other components - They are electronic components.  Any electronic component can fail for any reason, at any time.  That it failed during the warranty period is good for you, as you don't have to pay for a repair or replacement.

CEParsons
Honored Contributor
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Opting for the warranty repair is your best (possibly only) option. Anecdotally, my wife's S24+ had a motherboard replacement free of charge under warranty and the device has performed perfectly ever since.
MrSeagle
Asteroid
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I have a Galaxy Z Fold 7 that is less than two months old. I brought it to a Samsung Authorized Service Center (uBreakiFix), and the Samsungโ€‘trained technician declared it unrepairable. They documented this and sent it to Samsung.

Since then:

  • Multiple repair attempts failed

  • The device was mailed to the Texas repair center

  • I was told different and contradictory information by support

  • One rep claimed I needed โ€œthree repair attemptsโ€ before replacement, but this is not in Samsungโ€™s warranty

  • Another rep said my case was โ€œescalated,โ€ but I have not been contacted by a Case Manager

  • I have been without a working device for an unreasonable amount of time

I am requesting that Samsung review my case properly and assign the Case Manager I was told would contact me. The device was already declared unrepairable by an authorized Samsung technician, and I need this resolved and have been without a phone since Jan 30.  I have three emails in with Samsung and talked to 10 people Samsung care and my phone is still not repairable to date.

 

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Members_dGShebG
Constellation
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I just send mine in for repair, got an email saying send back unrepaired, then got a text that phone needs a main board, I hope I don't have to wait too long as this is getting on my nerves that an 1800$ device has such bad warranty repair service, Samsung you are losing it ???

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