MST2 Technisat 0480 - Manual SWDL checkbox keeps unchecking - OBDeleven Security Access needed?

[WasmiRR]

Hi everyone,

I am trying to install the MIB Toolbox on my 2017 Seat Ateca to eventually activate Full Link, but I’ve hit a wall with the Manual SWDL activation. Here are my system details:

• Unit: Technisat MIB2 (ZR)
• Firmware: MST2_EU_SE_ZR_P0480T
• GEM Version: 4.11t

The Issue:In the Green Engineering Menu, I can see the "Manual SWDL" checkbox. However, every time I check it and leave the menu (or even just scroll), it automatically unchecks itself. It seems like the unit is refusing to save this change to the NVRAM.

What I have tried:

1. Modified metainfo2.txt on my SD card to spoof the version from 0480 to 0481. The unit detects the update, but the "Start" button remains greyed out because Manual SWDL isn't active.
2. Tried various SD cards (FAT32, root directory) with no luck.
   
   
   I am going to use OBDeleven tomorrow. My plan is to access Module 5F and change the adaptation channel IDE02122 (Software_download_user_defined_mode) to "Active".
   
   
   1. Is Security Access (S12345 or 20103) mandatory before changing this adaptation on the 0480 firmware?
   2. Has anyone experienced this "self-unchecking" bug on this specific firmware version? Is there any other write-protection I should be aware of?
   3. Are there any other channels I should check to ensure the unit allows user-defined updates?
   4. Any help or advice from the experts here would be greatly appreciated!
   
   Best regards.