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Lineage-22.2-20250929-NIGHTLY-pro1x with September 1st security patch installed smoothly via OTA. MindTheGapps15, and root was maintained. 

New build of LineageOS 16.0 for qx1000 (OG Pro1) available at https://findus.zwergenschaenke.net/~puma/linux.html#lineagepro1. Go for the ROM dated "20250926". Changes since last upload: Backported ASB security fixes up to September 2025. Have fun!

I would try to flash only the (unpatched) boot.img with fastboot: fastboot flash boot boot.img The original boot.img can be extracted from an ota.zip, either manually or by using free tools like these. While this should preserve your data, it's obviously recommended to backup your stuff first. Applies to any kind of flashing job, actually. 

It will wipe it, sorry. 

I have had Magisk on my Pro1X since I got it (as well as my Pro1 before that).  Sometime in the last year, while trying to get ChatGPT to like my phone, I tried several modules in Magisk and also tried hiding it.  When I hid it, it created a shortcut on the home screen.  Recently, I realized that shortcut was gone and I can no longer get into the Magisk app GUI.  The phone still appears to be rooted, but all attempts to reinstall Magisk and run it have failed. I've also tried removing all the Magisk modules through ADB and re-installing Magisk, but still no luck. I'm hoping that I can flash the OTA image for the Pro1X and then re-do the process of rooting the phone to get Magisk back.  I'm writing this to ask, as a sanity check, whether the instructions here:  https://community.fxtec.com/topic/3903-pro1-x-flashing-stock-android-in-fastbootd-mode-windowsmacoslinux/?_fromLogin=1&_fromLogout=1 will leave the data on my phone or if flashing the image will wipe photos and other files on the phone. Does anyone know for sure whether flashing the “2.1.2_ota_img.zip” with fastboot will be safe for data on the phone? Thanks, David