Xiaomi Mi4i QCN File Tested

Xiaomi Mi4i QCN File Tested

QCN ( Qualcomm Calibration Network ) is configuration file that contain security part, network config, modem, imei, band on Qualcomm SoC.

If qcn is corrupted it will cause problems like no network, imei null, baseband unknown even bootloop.

Now i'll share QCN file for Xiaomi Mi4i

To write QCN file, you need to activate diag mode. type *#*#717717#*#* on dial screen, diag port enabled pop up will appear and check in device manager, diagnostic port must exist.

You can use QPST, QFIL or UFI androidtoolbox to write qcn file.


Xiaomi Mi4i Good QCN backup

password  :  www.samsdroid.com

Posted in: QCN File, Xiaomi Mi4i