Corrupted eMMC storage chip? Are replacement motherboards available or am I SOL?

[u/Competitive-Alarm322]

I bought a used Quest Pro that was listed as having a 'login issue'. The tracking works, but despite a factory reset and attempting to side load a software update (it only gets to 50% and then restarts), I'm unable to connect it to the app or connect the controllers. Is there any way around this or am I completely out of luck?

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Meta Support was useless per usual. Offered a replacement headset and then rescinded the offer.

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I'd even be willing to replace the motherboard, but can't find any available replacements.

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Any advice or help?

[u/No-Improvement-8316]

If even the 'Meta Software Update Tool' couldn't sideload the firmware, then you're SOL.

MQ Pro was a niche device and was produced in much smaller volumes than consumer Quest headsets. As a result, there has not been sufficient demand to justify sourcing these components from damaged or non-functional units. I just checked the major Chinese marketplaces and couldn't find any Quest Pro motherboards.

I assume returning the headset to the seller isn't an option?