Enter Diag Mode Spd Instant

Once granted root access, enter: setprop sys.usb.config diag,adb

Most SPD phones enter a temporary Diag state or "Boot Mode" through a specific button sequence while the phone is powered off. Power off the device completely. enter diag mode spd

Select or "Engineer Mode" and plug the device into your PC. Method 3: Entering Diag Mode via ADB (Root Required) Once granted root access, enter: setprop sys