Bit further:Yeah, im 100% sure it started when i installed magisk.
The problem is not that i cant connect to a network, i cant even turn on Wifi to even at least scan for networks.
Mobile Data seems to connect but doesnt provide internet!
Im on Global MIUI 18.104.22.168
EDIT: I Downloaded the offical ROM from Xaomis Site and Patched and Flashed it and its still not working :/
WiFi issues w/ Magisk are usually a result of flashing mismatched patched boot image. (Search closed GitHub issues.)
I noticed latest MIUI for Mi 9T Global Stable appears to be V22.214.171.124.QFJMIXM, as of 2021-04-13.
Mi 9T EEA is V126.96.36.199.QFJEUXM, and V188.8.131.52 is latest for other variants also.
Mi 9T Global Stable V184.108.40.206.QFJMIXM came out in 2020-10-10.
Please make sure both current ROM (Global MIUI 220.127.116.11 ?) and boot.img you patched / flashed is actually Mi 9T Global variant as well as same version (build); These must normally be an exact match, especially because boot image contains the kernel which must be compatible with system...
Otherwise, consider updating to Mi 9T Global Stable V18.104.22.168.QFJMIXM, (Nb. Mi 9T Global Stable Beta (Recovery type) V22.214.171.124.RFJMIXM Android 11.0 ROM is another available option) and be sure to extract / patch / flash boot image from this also. PW