How to use Miracle Box to backup and restore Qualcomm QCN

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Video Transcript

00:12
In this video tutorial, i’m going to be showing how to backup

00:17
QCN from a qualcomm android phone using miracle box

00:22
So in order to do this, you must enable DIAG mode on the phone

00:29
So we have a guide at the forum on how to enable the DIAG mode on qualcomm

00:36
You can check it out

00:40
So let me quickly enable DIAG mode, i’ve on my phone actually. You can see that it’s connected

00:49
So adb devices

00:56
adb shell

01:03
su

01:09
So this is the command to enable DIAG mode

01:18
Okay so here you go, the phone is now connected in DIAG mode

01:24
Now we need to launch miracle box

01:51
On the miracle box interface, click the qualcomm tab

01:59
Click port

02:04
Qualcomm DIAG port should appear but if it doesn’t you can select this dropdown bar then select the right port

02:14
Now for brands model

02:18
You need to select according to your phone, since my phone is not listed here i’m using Universal

02:25
and universal Qualcomm method

02:29
Now tick the checkbox beside read QCN

02:34
Then click the start button

02:42
So we wait

04:29
So once backup is complete you will get the message processed done

04:35
We can now exit miracle box

04:40
You will find your backup under QCN folder

04:50
So this is the backup i’ve just made

04:54
So to write QCN back to the phone

05:00
Still the same process, launch miracle box

05:06
Of course you’ll connect the phone in DIAG mode

05:20
In miracle box interface

05:23
Click qualcomm, click port or select it from the drop-down box, click write QCN

05:33
Click start button

05:36
It’ll open this prompt, this window

05:40
You’ll select the QCN you wish to write, click open

06:02
The process is a little bit faster than reading

06:07
Once it is done. You will get the message process done

06:13
So that’s how you read and write QCN from a Qualcomm android phone