Sony Xperia 10 No WiFi device

REPRODUCIBILITY (% or how often): 100%
BUILD ID: 3.3.0.16
HARDWARE (Jolla1, Tablet, XA2,…): Sony Xperia X
UI LANGUAGE: EN
REGRESSION: (compared to previous public release: Yes, No, ?): No

DESCRIPTION:

I have a newly flashed Sony Xperia 10 plus (dual-SIM) and have the same situation as described here

No of ideas in other topic helps.

I flashed 3 times.

Followed this instructions (can’t put a like because i am new user : -D )

Use Software binaries for AOSP Pie (Android 9.0) – Kernel 4.9 – Ganges (latest) v.9 form here

I tried to download and flash with vertions 8 and 7 but the ./flash script can’t find it and don’t flash the device. Output is SW … not found.

I have no ideas any more what can I try to get the WLAN works,

PRECONDITIONS:

In Android WiFi Works, I had android 10 but downgraded it to Android 9 to install Sailfish like in howto

STEPS TO REPRODUCE:

  1. Flash Device
  2. Start Phone
  3. Enjoy (without WiFi)

EXPECTED RESULT:

WiFi should work

ACTUAL RESULT:

No WiFi Adapter found, No Mac Adress in the info view

ADDITIONAL INFORMATION: