Oppo Find 7 X9007 QCN File

Oppo Find 7 X9007 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 Oppo Find 7 X9007
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 using code below :

• Open dial screen
• type *#801#
• Switch to on full port switch menu

and check in device manager, diagnostic port must exist.

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


Oppo Find 7 X9007 Good QCN backup

password  :  www.samsdroid.com

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LG QCN File Collection

LG QCN File Collections

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 LG QCN file collections :

LG-D285.qcn
LG-D315.qcn
LG-D325 .qcn
LG-D380.qcn
LG-D505.qcn
LG-D725.qcn
LG-D801.qcn
LG-D802.qcn
LG-D820.qcn
LG-D851.qcn
LG-D855.qcn
LG-D855P.qcn
LG-D959.qcn
LG-E980.qcn
LG-E988.qcn
LG-F180K.qcn
LG-F220K.qcn
LG-LS980.qcn
LG-LS995.qcn


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

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

 and check in device manager, diagnostic port must exist.

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


LG QCN file collection

password  :  www.samsdroid.com

Read more ...

Infinix Hot 3 X553 QCN File Tested

Infinix Hot 3 X553 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 Infinix Hot 3 X553

To write QCN file, you need to activate diag mode. Root phone using Kingroot app.
then run this command :

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

 and check in device manager, diagnostic port must exist.

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


Infinix Hot 3 X553Good QCN backup

password  :  www.samsdroid.com

Read more ...

Redmi 4A Rolex QCN File Tested

Redmi 4A Rolex 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 Xiaomi Redmi 4A" Rolex "

To write QCN file, you need to activate diag mode. type *#*#13491#*#* on dial screen and check in device manager, diagnostic port must exist.

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


Xiaomi Redmi 4A " Rolex " Good QCN backup

password  :  www.samsdroid.com

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Oppo Neo 9 A37f QCN File Tested

Oppo A37 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 Oppo Neo 9 A37f
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 using code below :

• Open dial screen
• type *#801#
• Switch to on full port switch menu

and check in device manager, diagnostic port must exist.

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

Oppo Neo 9 A37f Good QCN backup

password  :  www.samsdroid.com

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How to fix Oppo Neo 9 A37 stuck on fastboot mode

fix Oppo A37 stuck on fastboot mode

Here we will be sharing step by step guide to fix Oppo Neo 9 A37 stuck on fastboot mode after flash.

This guide is very helpful for those users who have a hard bricked Oppo Neo 9 A37 after flashing a rom / firmware. Phone condition is only vibrate when it powered on, and detected as fastboot devices on device manager.

Prerequisite :

-  UFI Box / UFI Dongle
-  Download " exit fastboot mode Oppo A37 " file ( download link at the end of the post )
-  Qualcomm driver installed
-  Disable driver signature for 64 bit PC

Guide  :

-  Open UFI Android Tool Box software
-  Extract downloaded file and copy to directory UFI/androidtoolbox/Oppo/A37/
-  Click FLASH tab
-  Select Oppo on brand menu
-  Select Qualcom on platform menu
-  Select Oppo A37 on model menu
-  Switch phone into Qualcomm 9008 mode ( powered off phone, press & hold Volume Up + Volume Down button and then connect usb cable )
-  Make sure Qualcomm 9008 is detected on device manager
-  Click identify
-  Click Special Task - Exit fastboot mode
-  Now select raw program 2
-  Click FLASH button
-  If there's is no problem with eMMC, now phone must be powered on properly.

Fix Oppo Neo 9 A37f stuck on fastboot mode using UFI Box / UFI Dongle

password   :  www.samsdroid.com

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Oppo N3 N5206 QCN File Tested

Oppo N3 N5206 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 Oppo N3 N5206
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 using code below :

• Open dial screen
• type *#801#
• Switch to on full port switch menu

and check in device manager, diagnostic port must exist.

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


Oppo N3 N5206 Good QCN backup

password  :  www.samsdroid.com

Read more ...

Coolpad Sky E501 QCN File Tested

Coolpad Sky E501 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 Coolpad Sky E501
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

and check in device manager, diagnostic port must exist.

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


Coolpad Sky E501 Good QCN backup

password  :  www.samsdroid.com

Read more ...