Tag: frp remove android all device tool

QCN file in samsung devices. What is QCN file and its function in android device? QCN means qualcomm calibration network file.Basically QCN file built in in all Samsung Galaxy …

How to Backup Samsung Mobile Rom Files , Efs Files , Qcn FIles and Important Network File Not Available in Flashing Box and Dongle . This Important Files Also …