[HOW TO] Activate Qualcomm diagnostic port without ADB - G2 General

For LG G2 D802 I found only the ADB method everywhere on the internet. There is also a method to properly enable the diag port on your G2.
First, you need to download the drivers from here: https://developer.qualcomm.com/download/iot/ioe-usb-drivers.zip
Then, dial 277634#*# > LTE-Only >LTE Data test > Tethering mode > QMICM
Windows will detect some unknown devices. Install the drivers manually from the location you downloaded them
This will enable the diag port to be automatically discovered by QPST, as opposed to the common method.
Happy hacking!

Related

[Q] Cannot run adb for my L9

Hello.
How can I connect my L9 p760 phone with Cyanogenmod installed to run adb? I tried reinstalling LGUnitedMobileDriver, PC suite etc, but nothing works. PC recognizes it as a portable device, but by installing LG drivers, I get error LGE U2 USB Device No driver found.
On stock rom there was option for USB connection "LG PC Suite mode" or something, it worked great with adb, fastboot. On CM there is no such option, just media and camera options, enabling debugging mode also does not make any change.
Why I need it, I need to log issues I have listed here forum.cyanogenmod.com/topic/80758-few-questions-regarding-usability-of-cm-screen-filter-lags-radio/
Maybe someone also had issue with freezes in interface responsiveness and/or call reject button and had those resolved?
Hi,
To solve LGE U2 USB Device driver not found:
- in Device Manager (are you using Windows, right?), go to "Computer/Manage/admin pswd/Device Manager"
- right click LGE U2 USB Device
- choose Update Driver
- now choose the second option (manual installation)
- choose in driver list: Android Sooner Single ADB Interface.
But... wait! One more annoyance. Your adb must be version 1.0.31 (requirement for Android 4.2.2 or higher), or you will receive error "device offline". To show yours, type > adb version
Awesome, works like charm. Thank yo so much!
WOW! Thank you so much. Now I can use my phone again.

cant get com port on diag enabled g3 help pleass

Hey guys I'm trying to connect my g3 to dfs, I installed sever g3 drivers but no go I get the mtp but no diagnostic mode what's so ever I tried uninstalling and deleting the drivers but nothing works thanks in advance guys .
You need to enable the developers option on and usb debugging on in it. also put the phone in charge mode only from MTP. enable diag using ##DIAG#. Install the drivers again. change USB port also.

QPST connection to Mediapad?

Hi all,
I would like to use QPST to change parameters of the radio on TMobile Springboard with CM 10.
It turns out that the kernel supports DIAG interface, as I can turn it on with
Code:
echo diag > /sys/class/android_usb/android0/f_diag/clients
and also there is something on the tablet called
Code:
/dev/diag
which I assume is the exposed diag serial port. What I want to do is to set up usb interface like was done
here: http://forum.xda-developers.com/showthread.php?t=2049701
and a Windows driver, so I can connect with QPST to this port. However, no combination of usb VID/PID/Windows driver worked for me so far.
Did anyone try it?

LG V10 (Verizon) DIAG MODE

Hey guys. Does anyone know how to enable the DIAG mode on the LG V10?
Install drivers
Run phone in mtp
If port not working ##program990 send and choose port enable in hidden menu

How to enable Diag Port on LGV60?

Guidance an step please if anyone know.
I had to do a search about the Diag port. I didn't know what is was.
I glanced at a few links which suggested a generic method for qualcomm phones.
Example:s
Qualcomm Diag Mode, Enable DIAG Port For Qualcomm Phones - GSM-Forum
How to Enable Qualcomm Diagnostic Mode 1. Dial Number For Some Of Non ROOTED Generic Qualcomm ''CPU'' Type *#*#717717#*#* Or *#*#13491#*#* on dial pad.
forum.gsmhosting.com
Enable DIAG Mode or COM Port on any Android Smartphone / Tablet
Want to activate Diag Mode or Enable Qualcomm Diagnostic Mode on your Android Phone or Tablet? Follow the 3 methods listed here and enable Diag COM port.
www.gizmoadvices.com

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