The following part will show you how to convert videos to your BlackBerry with iMoviesoft BlackBerry Converter for Mac Now, let’s get started.
Steps:
step 1. Free Download and install iMoviesoft BlackBerry Converter for Mac

step 2. Import Videos.
There are tree methods for you to import your videos

step 3. Select your aiming Profile and Output Folder for your video
Select the output format you want from the "Profile" drop-down list. Select the "Output Folder" button to select your output destination file.
step 4. Select “Settings” from “Tools” drop-down menu to adjust the Video/Audio Parameters if you want
step 5. Click “Start” button to begin the conversion.
Tips: You can pause, stop and continue smoothly when converting.
Further Edit:
Two ways for crop

Two ways for trim

Effect
Besides above edit functions, this converter is designed with two video viewers. One is for the original video and the other one is for edited video, so you can immediately preview the effect of edited video. At the same time, after editing, you can merge several videos into one output file.
Hopefully you can enjoy your videos on your iPhone with the help of iMoviesoft BlackBerry Converter for Mac.
Related tutorial:
How to Convert Video to BlackBerry?
How to Convert Videos to Apple TV?
How to Convert Video to iPhone on Mac?