⚠️ Corrupted Xbox One X after Insider Build — Delta Ring | Post-OSU1 Restore Error

Hi everyone. I'm facing a serious technical issue with my Xbox One X, which was running the latest Insider build on the Delta Ring. Here are all the details of what happened:

OS version: 26100.4855.amd64fre.xb_flt_2506ge.250612-1215

Insider Ring: Delta Ring

Console: Xbox One X

I manually unenrolled from the Xbox Insider Program via PC, aiming to force a return to the stable/retail build (I didn’t have time to unenroll through the console itself, as it was already freezing). I had been part of the program for over 2 years.

Later I thought I could have switched to the Omega Ring to try a downgrade, but I guess it would have caused issues after I had already left the program.

⚠️ Main issue:

After a few hours of gameplay, the console froze on a loading screen and wouldn’t progress. Since then:

The green boot screen stopped appearing.

After a hard reset, the console got stuck on a permanent black screen.

I eventually managed to access the troubleshooting (recovery) screen, but:

❌ Attempts to fix — all failed:

Restore while keeping games & apps → froze midway.

Full reset (“Remove everything”) → same issue, no success.

Offline Update using OSU1 (Retail):

I knew it wasn’t officially supported for Insider builds, but I tried it anyway:

Connected to the internet → update was rejected with an error.

Disconnected from the internet → OSU1 was accepted and installation completed successfully.

However, after just one day of use, the system became unstable again and froze. It returned to the black screen and the same failure cycle.

Possible causes:

It seems the console may still be flagged as Insider internally (possibly in the NAND), even after unenrolling from the program via the account.

I suspect this Insider flag is preventing system stability after the downgrade, or that part of the Insider system remained corrupted.

❓ Anyone else facing something similar?

I understand support can be limited for this type of issue. I imagine a proper downgrade may only be possible after a future build update.

Really hoping the solution won’t require technical service tools (like HDD recreation with scripts or a NAND wipe).

Any help, similar reports or guidance would be greatly appreciated!
Thanks in advance for your time and support, everyone.
Please excuse any translation errors. I am pt-BR

submitted by /u/Fair-Landscape7734
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