Qualcomm-smartphone-write-imei-tool-v1.01.zip
The "proper paper" or official guide for the Qualcomm Smartphone Write IMEI Tool v1.01
Alternatively, on some older chipsets, you can dial a hardware code directly into the dialer pad (such as *#*#717717#*#* or ##3424# ) to activate the diagnostic port. Step 2: Verify the Device Manager qualcomm-smartphone-write-imei-tool-v1.01.zip