Must-have when you change your cell phone. The safe deposit box for the address book and other key information in your cell phone .You may easily maintain the same address book, even you may use more than one cell phone. And protect the data from losing. WeSync provides the first-class encryption and security solutions, and is free. Besides, it’s convenient for you to log on http://ic.qq.com to manage your address book. WeSync is a must-have tool if you owns more than two cell phones. Many useful features as below:1. One-click to sync your phone address book to the online address book. Not only address book but also SMS, call log can sync to online. What’s more, You may also log on http://ic.qq.com to manage your data. 2. More tools to help you manage data more efficiently, such as merging contacts, sharing contacts via email or WeChat.1）Merge Contacts: WeSync could help you make smart choices to merge duplicated contacts. 2）Easily ensure the same address book across multiple cell phones you may have. Easily share and transfer your address book with friends and families via email, WeChat. The receiver of your address book can use WeSync to import the address book without worrying about duplicated contacts. Great for those who need to share address book with many others, such as teachers, secretaries. 3. Can export contacts, SMS, call logs and other information to the SD Card 4. Can restore the deleted contacts and no loosing contacts guaranteed.