Well today i decided to reset the device and checked sammobile have a new firmware for Netherlands (PHN) (AUHB) For s21 exynos. Flashed and Found this new option under the battery settings.

Solved: S21 Ultra No Network Conection after the last Update - Samsung Community

Samsung CRG90 firmware update fix, No valid update files found, FreeSync Ultimate Engine flickering

A505N U6 OS11 AUTOPATCH FILE, A505N TO A505F CONVERTER FILE

Did campaign mode get removed : r/PixelGun

Question - S21 Ultra 5G - SM-G998B - Exynos - Problems with mobile data and signal.

Hackintosh NP900X3D - Replace Centrino Advanced N6235 to able wifi on SierraOSX

Software update error Your device has been modified fix

Solved: S21 update to Android 12 - SIM continuously resetting - Samsung Community

Solved: S21 Ultra No Network Conection after the last Update - Samsung Community