Now it is easy and simple to delete all the contacts in your blackberry mobile at an instance. Just follow the steps given below.
Note: Steps given below suits for other Blackberry device too.
Step 1: Download BlackBerry Desktop Software from WWW.BLACKBERRY.COM and install it.
Step 2: Now connect your blackberry mobile to your computer. (BlackBerry Desktop Software will detect your device automatically)
Step 3: Click Device as shown in the screen shot.
Step 4: Click Delete. Delete device Data dialogue box opens.
Step 5: Select Selected Data->Address book – All and click delete.
Thats it !!!





Thanks for sharing this question. I have a great solution of this. Add a new app into your mobile that is multiple contacts delete. This is available for all blackberry mobile models. It’s very helpful application. So install it in your mobile free and paid.