Smartfren Andromax A A16C3H QCN File Tested

Andromax A A16C3H QCN File

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 Smartfren Andromax A A16C3H

To write QCN file, you need to activate diag mode. Root first and then run this command :

adb shell
su
setprop sys.usb.config diag,adb

Or you can easily enable diag port without root on Smartfren Andromax A A16C3H , please read this article

and check in device manager, diagnostic port must exist.

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


Smartfren Andromax A A16C3H Good QCN backup

password  :  www.samsdroid.com

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How to enable diagnostic port on Andromax A A16C3H without root

Andromax A enable diagnostic port

Here we will be sharing step by step guide to enable diagnostic port on Smartfren Andromax A A16C3H without root. Diagnostic port will be required when writing qcn file.

Ok, here's the steps :

1. Download QuickShortcutMaker.apk or download from playstore
2. Open QuickShortcutMaker app
3. Type " about phone " on input keyword to filter form
4. Click about phone, then scroll down
5. Click test setting
6. Click Try
7. Click test switch
8. Switch to ON value, phone will reboot
9. Now debugging & diagnostic port active
10. Check on device manager, diag port must be exist

Don't forget to revert back to OFF value on test switch menu after writing qcn file

Download QuickShortcutMaker.apk below

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