BlackBerry shows “no network connection” when starting BlackBerry World problem solved!

Blackberry official feedback from users who have been using their Blackberry phones (Blackberry OS 10.3. The “No network connection” appears when BlackBerry World is applied. To continue, please connect to the “Settings” page. Wi-Fi or mobile networks.” Tip for the problem. The official solution to this problem is detailed below.

Problem environment.
Blackberry OS 10.3.x
BlackBerry World

Problem Description.
When launching BlackBerry World on a BlackBerry 10 smartphone, the following error message is displayed.
“No network connection to continue, please connect to Wi-Fi or mobile network in Settings.”
No Network Connection
To continue, connect to Wi-Fi or mobile network in Settings.

Problem Cause:
The BlackBerry World app needs to be updated to the latest available version before it can be accessed on a BlackBerry 10 smartphone.

Manually install BlackBerry World 5.4.0.8 from your computer to the BlackBerry 10 smartphone. To install BlackBerry World manually, complete the following steps.

On your BlackBerry 10 smartphone, enable development mode.
Tap Settings.
Click on Security and Privacy
Click to develop mode
Verify that the listed IP address is 169.254.0.1
Switch the development mode to ON.
Since you need a device password to turn on development mode, enter the device password when prompted. If the device password is not created, you will be prompted to create a
Connect your BlackBerry 10 smartphone to your computer via USB, and then complete the following steps accordingly.
Windos.

On your computer;
Ensure that Java is installed. click here for steps on how to determine if Java is installed.
Make sure the BlackBerry USB driver or BlackBerry Link is installed.
For system requirements for BlackBerry Link for Windows, click here
Download BlackBerry World – Recovery Tool 0.9, then Extract the blackberry-appworld-update-0.9 folder to your computer.
Open the extracted blackberry-appworld-update-0.9 folder.
Open/run appworld-update.bat
Enter the device password.
For security reasons, the device password is not displayed
Press Enter
After the installation is complete, result :: success will be shown. Disconnect the BlackBerry 10 smartphone from the computer.
In BlackBerry Smartphone 10, turn off the development mode by restarting the BlackBerry 10 smartphone or toggle OFF in development mode to set the device.
Mac OS X / macOS

On the computer;
Make sure the JDK is installed. to install Java SE Development Kit 14, click on the here.
Ensure that the BlackBerry USB driver or BlackBerry Link is installed.
For system requirements for BlackBerry Link for Mac OS X, click here.
Download BlackBerry World – Recovery Tool 0.9, then Extract the blackberry-appworld-update-0.9 folder to your computer.
Open the extracted blackberry-appworld-update-0.9 folder.
Open/run appworld-update-mac
Enter the device password.
For security reasons, the device password is not displayed
Press Enter
After the installation is complete, result :: success will be shown. Disconnect the BlackBerry 10 smartphone from the computer.
In BlackBerry Smartphone 10, turn off the development mode by restarting the BlackBerry 10 smartphone or toggle OFF in development mode to set the device.
Additional information
If the device password is entered incorrectly, you need to close and reopen the application.

If the application is launched and the development mode is OFF, the development mode IP address is not set to 169.254.0.1 or if the computer is unable to detect a connected BlackBerry 10 smartphone, the following message will be displayed. Otherwise, the following message is displayed.

Error: cannot connect: connection to /169.254.0.1:443 timed out. Please check the IP address settings of the target. You may have to reboot the target.
Mac OS X / macOS specific
If the use of appworld-update-mac messages is blocked because the identity of the developer cannot be verified, complete the following steps

Select the Apple menu
Select System Preferences
Choosing Security and Privacy
General labels
Select to block “open anytime” next to appworld-update-mac since you cannot confirm the identity of the developer.
Associated with.
BlackBerry World experienced a “network error” unable to download the app suspect cloud
Update BlackBerry World for BlackBerry 10 (with: Blackberry World download installer)

*The above information is for reference only, and it is recommended to make a backup of the data in the phone.