Direct Test Mode app

nRF Connect for Desktop

tags: nRF Connect for Desktop

nRF Connect for Desktop
Reporting issues
Documentation revision history
May 2026
Previous months
Get started
Supported operating systems
Requirements and installation
Additional requirements
Using behind proxy
Installing apps in nRF Connect for Desktop
Installation requirements
Installing an app
Common user interface
Select device
Options for the selected device
Disconnecting from the device
Side panel
App tabs
About tab
Log
App-specific user interface pages
nRF Connect for Desktop launcher
Get started
Installing the launcher
Application source code
Reporting issues
Launcher overview
Apps tab
Filter
Search
Drop-down menu options
Post-installation options
Updating the apps
Uninstalling the apps
Creating shortcut to the app
Settings tab
Updates
App sources
Authentication
Mainland China server
Usage statistics
About tab
Starting nRF Connect for Desktop with proxy settings
Available proxy settings
Specifying custom proxy settings
Logging to authenticated proxies
Working with identity tokens
Generating a new token
Setting a token
Replacing a token
Removing a token
Important considerations when removing a token
Troubleshooting
Quick Start app
Get started
Installation
Supported devices
Application source code
Bluetooth Low Energy app
Get started
Installing the Bluetooth Low Energy app
Supported devices
Application source code
Overview and User Interface
Common interface
Discovered devices panel
Discovered devices entries
Connection Map tab
Device options
Server Setup tab
Establishing serial port connection to a local device
Establishing Bluetooth Low Energy connections
Viewing service details
Updating connection parameters
Pairing devices
Configuring server setup
Setting up advertising
Updating firmware over the air
Adding UUID definitions
Troubleshooting
Firmware Programming
macOS J-Link Issue
Serial Port Access Permissions on Ubuntu Linux
Programming with J-Link does not work
Board Configurator app
Get started
Installing the Board Configurator app
Supported devices
Application source code
Overview and user interface
Common interface
Actions
Board controller info
Configuration tab
Updating the board configuration
Troubleshooting
Unable to configure a device
Restarting the Board Configurator app
Unable to perform DFU with external flash on nRF54H20
Cellular Monitor app
Get started
Overview
Installing the Cellular Monitor app
Minimum requirements and limitations
Software requirements
Limitations
Application source code
Overview and user interface
Common interface
Before selection
Buy development kit...
Load trace file...
Open trace file in Wireshark...
After selection
Start
Refresh dashboard
Open Serial Terminal
Connection Status
Trace Options
Modem trace database
Modem trace serial port
Reset device on start
Refresh dashboard on start
Open in Wireshark
Save trace file to disk
Advanced options
Program device
Terminal serial port
Dashboard tab
Packet Event Viewer
Certificate Manager tab
Preparing the device for modem trace
Capturing a modem trace
Viewing a modem trace in the Cellular Monitor app
Packet Event Viewer
Dashboard
Using Wireshark
Open in Wireshark
Open trace file in Wireshark...
Loading modem traces for play back
Loading modem traces for playback
Viewing RTT modem traces
Memfault and modem trace in production
Managing modem credentials
Adding or updating credentials
Deleting keys or certificates
Programming the nRF9160 DK firmware
Programming Nordic Thingy:91 firmware
Troubleshooting
I do not see Program device
Trace data is not displayed or the file size does not increase
Refresh dashboard is greyed out
Where to find trace files and what the .mtrace file extension is
Is it sufficient to update prj.conf to enable modem trace?
Direct Test Mode app
Get started
Installing the Direct Test Mode app
Supported devices
Application source code
Overview and user interface
Common interface
Baud rate
Transmitter tab
Receiver tab
Configuring and using the application
Transmitting
Receiving
Matter Cluster Editor app
Get started
Overview
Installing the Matter Cluster Editor app
Supported devices
Application source code
Overview and user interface
Common interface
Side panel sections
Cluster name field
XML Cluster File
XML Cluster Extension File
Utility
Loaded file
Elements in the file
Main window
Cluster tab
Commands tab
Add Command
Arguments
Accesses
Attributes tab
Add Attribute
Accesses
Events tab
Add Event
Fields
Structures tab
Add Structure
Items
Assigned clusters
Enums tab
Add Enum
Items
Assigned clusters
Device type tab
Device type configuration fields
Device type cluster assignments
Add Cluster assignment to device type
Required Attributes
Required Commands
Required Events
Features
Notifications
Save options
Creating a new Matter cluster
Creating a cluster extension
Creating a new device type
Matter Quick Start app
Get started
Overview
Installation
Supported devices
Supported ecosystems
Ecosystem requirements
Ecosystem pairing requirements
Ecosystem testing
Application source code
nPM PowerUP app
Get started
Installing the nPM PowerUP app
Supported devices
Application source code
Overview and user interface
Common interface
Before selection
Virtual device selection and offline mode actions
After selection
Actions
Fuel Gauge
nPM2100: Power Source
Settings
Connection Status
Dashboard tab
nPM1300 and nPM1304: Charger tab
Regulators tab
GPIOs tab
System Features tab
nPM1300 and nPM1304: Profiles tab
Custom profiles
Project section
Profile entries
Bundled profiles
Graph tab
Profiling a battery
Profiling a battery with nPM PowerUP
Prerequisites
Profiling a battery in the nPM PowerUP app
Profiling output files
Evaluating a battery
Evaluating a battery model with nPM PowerUP
Working with profiles
Merging temperature profiles
Using pre-profiled battery models
Guidelines for battery profiling
Power Profiler app
Get started
Installing the Power Profiler app
Supported devices
Deprecated support
Application source code
Overview and user interface
Common interface
Device panel sections before device selection
Load
Temp disk
Device panel sections after device selection
Power supply mode
Sampling parameters
Data logger parameters
Scope parameters
Trigger settings
Analog trigger settings
Digital trigger settings
Display options
Save options
Export to CSV options
Advanced configuration
Gains
Spike filter
Voltage limit
Sampling mode tabs
Sampling chart
Chart settings
Minimap
Window and selection
Digital channels
Using the Power Profiler app
Troubleshooting
Data loss with PPK2
PPK2 only measuring noise
Measurements fluctuate when there should be a steady current draw
Graph response is very slow
PPK2 not measuring anything
Grounding
Programmer app
Get started
Installing the Programmer app
Supported hardware
Support for custom hardware
Deprecated hardware support
Application source code
Overview and user interface
Common interface
Device panel sections
File
Device
J-Link Settings
MCUboot Settings
Programmer tab
File Memory Layout
Device Memory Layout
Programming devices
General programming procedure
Programming devices
Device-specific procedures
General programming procedure
Programming nRF91 Series DK firmware
nRF91x1 DK
nRF9160 DK
Programming Nordic Thingy prototyping platforms
Programming using a USB cable
Nordic Thingy:91
Nordic Thingy:53
Programming using an external debug probe
Nordic Thingy:91
Nordic Thingy:53
Programming nRF52840 Dongle
Programming the nRF52840 Dongle
Troubleshooting
OS X J-Link Issue
Serial Port Access Permissions on Ubuntu Linux
Unable to program with Write
Application returns an error
Serial Terminal app
Get started
Installing the Serial Terminal app
Supported devices
Application source code
Overview and user interface
Common interface
Serial port
Settings section
Serial settings
Terminal mode
Line mode
Shell mode
Write to file
Terminal tab
Terminal tab in Line mode
Settings tab
Connecting to a serial port
Selecting the right serial port
Identifying serial ports
Configuring logging to the serial port
Configure serial communications and logging over UART in your nRF Connect SDK application
Use a sample with logging over UART enabled
Use a shell sample
Viewing and sending AT commands
Troubleshooting
No response from the device or the response is unexpected
Serial Terminal does not display all serial ports listed in the device's hardware user guide
RSSI Viewer app
Get started
Installing the RSSI Viewer app
Supported devices
Application source code
Overview and user interface
Common interface
After selection
Controls
Sweep Scan
Channel Details
Filters
Device
RSSI Viewer tab

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