QUALCOMM imei writing
IMEI – international mobile equipment identity
QCN file – Qualcomm Calibration File
Diag mode / Eng mode / Diagnostic mode
driver: QUALCOMM hs-usb diagnostics 9091 driver
- eng file flash
- diag mode code
- adb commands
adb shell
setprop sys.usb.config diag,adb - qc fire method
umt – qcfire
adb driver
mtp driver
diag driver
steps
- make adb on
- click enable diag
- install xiaomidiag app on phone
- clik ok, diag mode activated
- write imei (read and tools –> security functions –> repair imei –> execute)
- select diag port
- edit imei
- click ok, [backup qcn, edit imei, restore qcn ]
emmc changed, but no network, no basenabd version – baseband unknown
QCN writing free method
QFIL – QUALCOMM flash image loader
download minimal adb and fastboot tool
download qcn file
steps
- open minimal adb
- put command
adb shell
setprop sys.usb.config diag,adb - open qfil tool
- select diag port in qfil
- tool –> qcn backup restore
- select qcn file
- enable multi sim –> restore qcn
8. done
QUALCOMM flashing
edl mode
.xml file
Redmi note 5 pro
website: https://mifirm.net/
- open qcfire
- select firmware (rawprogram.xml)
- connect edl