: This is a widely trusted, open-source tool used to remove unwanted system apps (bloatware) via ADB. It is not for enabling "Diag Mode," but it is the most common "universal" utility for Android optimization. You can find official versions on Manual Diag Mode Commands
Plug your device into your computer using a high-quality USB cable. Run as Administrator: Universal_Diag_Enabler.exe Enable Diag: Click the "Enable Diag" button. Check your PC’s Device Manager universal android diag enabler download
Some manufacturers provide hidden menus to enable this port. Common codes to enter in the phone dialer include: *#*#717717#*#* (Common for Xiaomi) ##3424# (Common for HTC/others) *#0808# (Common for Samsung) Note on "Universal Android Debloater" : This is a widely trusted, open-source tool