Application Loader was unable to connect with your device. Please re-connect your device, enter the password, if required, and click retry.

So many people have called to request how to fix this issue. It is a well known fact that more than 40% of phone users in Nigeria use Blackberry,so every day phone engineers have a reason to reload Blackberry OS.

 

So below is a solution;

1. Disconnect the smartphone from the computer.
2. Insert the battery on the smartphone.
3. Connect the smartphone to the computer with the USB cable.
4. Click Retry.