Stuck on Insider build (xb_flt 26100.4020) after SSD swap – OSU1 retail fails with...

Discus and support Stuck on Insider build (xb_flt 26100.4020) after SSD swap – OSU1 retail fails with... in XboX Insiders to solve the problem; Hi! My Xbox One X is stuck on an Insider/flight build and won’t accept the retail OSU1. Error codes: E101 00000503 80070003 and E102 (photo attached).... Discussion in 'XboX Insiders' started by /u/Andersonpinaj, Nov 23, 2025.

  1. /u/Andersonpinaj
    /u/Andersonpinaj Guest

    Stuck on Insider build (xb_flt 26100.4020) after SSD swap – OSU1 retail fails with...


    Hi! My Xbox One X is stuck on an Insider/flight build and won’t accept the retail OSU1. Error codes: E101 00000503 80070003 and E102 (photo attached). On-screen OS version: 26100.4020.amd64fre.xb_flt_25049ge.250410-1100 (see photo). What I’ve tried: – USB NTFS with $SystemUpdate at root (front USB port) – $ClearOSUDV (empty folder) + power cycle – Reset (Remove everything) and OSU again – Replaced failing HDD with 480 GB SSD (Xbox partition schema: System ~1 GB, User Content ~10 GB, System Update ~4 GB, System Support ~2 GB, Temp Content = rest) I unenrolled from Xbox Insider on my account, but the console can’t boot to sync. Could a mod help rollback this console from flight or provide guidance for an Insider recovery package compatible with this build? Console ID: 61bc00c0.02033bde.795df5cb.dfe8b607.02 Happy to provide more info via DM. Thanks!

    submitted by /u/Andersonpinaj
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    /u/Andersonpinaj, Nov 23, 2025
    #1
  2. Korhog Win User

    Error Code:E106 00000009 C0000102 and E101 0000504 8B050041

    OSU1 and OSU2 is not compatible with insiders builds
  3. Florian Moscu Win User

    E200 Error. Xbox one X. Tried everything.

    I have the same or probably the same issue. Boots directly in the troubleshooting screen with error code 106.

    The troubleshooting screen says that the build on the device is '19041.3773.amd64fre.vb_release_xbox_dev_2008.200819-0000'. It is enrolled in the xbox insider program (last time I'm doing this mistake...)

    When trying to do an offline update it fails, although the OSU1 build is newer than the one installed on the device...

    Luckily I have 2 more months of warranty and just created the service order. I wonder if they tell what the issue was or only repair it...
  4. PalmettoBling Win User

    Osu1 for insider !

    I would recommend
    submitting that feedback to the Xbox Insider team.     They do a lot of work in getting early release software ready and running as easily as possible. When it comes to applying system updates it is a very tricky process that involves steps not easily backed
    out of, and due to the nature of the Xbox Insiders program, it's quite possible that there is a problem with the Insider version you're trying to update to, so the safest route back to get you into a working state is to restore to a certified and tested current
    release instead of a wonky in progress update patch. But hey, the Insider team is going to be smarter than me on this, so I'd say submit it to them; I'm not sure how active they are on the forums and you have a direct line built in to the program.
  5. Fearless AngeI Win User

    Osu1 for insider !

    we are doing the best we can we lots of constant feed back to The insider program
  6. ngocphi Win User

    Osu1 for insider !

    Actually @aqua all levels of insiders can still unenroll aa im in skip ahead alpha and have unenrolled and reenrolled in mins after a bad update

    Keep in mind I havr a windows 10 laptop that I can use the insiders app to do so lol
Thema:

Stuck on Insider build (xb_flt 26100.4020) after SSD swap – OSU1 retail fails with...

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