: A user first backs up the device's QCN file using software like QPST/QFIL or Ultimate Multi Tool (UMT) while the phone is in Diagnostic Mode .
: Performs the reverse operation, allowing users to verify existing hex values by converting them back into readable IMEI strings. Tungtata QCN Tool.zip
Typically, the Tungtata QCN Tool is part of a larger workflow involving other Qualcomm service tools: : A user first backs up the device's