Nowdays, with the fastest growing of Android and its popularity, many people change their smartphone to Android. One of the most important thing when changing to a new phone is to keep our contacts from older smartphone. The process to backup and restore is easy when the change is from the same platform but it might be difficult if the change is from different platform. I had this problem when my friend asked me to upgrade his phone from Blackberry to Android.
My solution was simple, since my friend didn’t use Gmail on his Blackberry i had to backup the contacts using Blackberry Desktop Software into a CSV file (comma separated) then import it into Gmail contact. Android then will automatically sync the contacts from Gmail into phone’s contact list using Android Account Sync feature. In this tutorial i’ll try to explain the import steps in a simple way so it can be easily understood by people who are new to Android .
Note that there is another way to import contacts from Blackberry. If you already use Gmail on your Blackberry, you can turn on the Contact Sync option on Email settings so your contacts will be synced automatically with Gmail contact. This tutorial is suitable for people who do not use Gmail on their Blackberry.
1. Backup Blackberry contacts to computer.
The first step is to backup your Blackberry contacts to computer using Blackberry Desktop Software. If you don’t have the software installed, go to this link and download the appropriate version for your computer (Windows PC or Mac).

2. Import contacts into Gmail
The next step is to load the contacts from csv file into Gmail contact list.
3. Sync Gmail contact from Android
Ok now you’ve almost done, it is time to sync Gmail contact into your shiny new Android phone. There are two cases when you want to import Gmail contact:
a. If you already use the Gmail account that contains imported contacts as your Android primary account:
b. If the Gmail account that contains imported contacts differs from your Android primary account, you have to add the account into Account & Sync settings:
Now just wait for several minutes, your contacts will be loaded automatically into your Android contact list. Note that the above images taken from Nexus S with Gingebread OS version. Your menu settings may differ from images above if you use different android version or custom manufacturer UI.
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it is very simple and nice!!!!
Very nicely explained, can you pls. help me out, as I have lost my device and am left with just backup file with extension .bbb . Desktop manager will show the the above stated options only if the device is connected to the system.