If the phone is powered on and you can access the dialer, you may be able to trigger Diag Mode via a MMI code. Open the app. Try entering: *#*#83781#*#* or *#*#9646633#*#* . This opens the Engineer Mode or Factory Kit . Navigate to the "Connectivity" or "Debug" tab. Look for "USB Port Control" or "USB Setting" . Select "Diag Mode" or "Manufacturer Mode" . Method 3: Using ADB (Root Required)
Select or "Engineer Mode" and plug the device into your PC. Method 3: Entering Diag Mode via ADB (Root Required) enter diag mode spd
: With the device powered off, you connect it to the PC via a USB cable. Often, this is done without holding any buttons , allowing the software to catch the device as it powers up and force it into the diagnostic state. If the phone is powered on and you