PS4 BT_WIFI Patcher is a simple tool to repair Bt/Wifi Firmware. This firmware known to be corrupted and causing the DS4 controller fail to connect to PS4 console wirelessly.
If DS4 controller does not sync anywhere but the safe mode menu then the Bt/Wifi firmware is corrupted.
If DS4 controller does not sync in safe mode, it may be issue on southbridge/usb port.
If Bt/Wifi firmware is VALID but there is still no controller sync anywhere other than safemode, the PS4 may physically need a new module which match with its revision.
BwE for patches