In general, if you lose files from the SD card of your mobile phone, you can easily retrieve them with the common data recovery tools on the market. While, if you just delete contacts that always saved on the phone's internal memory or the SIM card, most of those programs will be useless. In order to help you completely recover deleted contacts on Android smart phone, here I'd love to recommend you Vibosoft Android Contacts Recovery, which is designed to help restore lost contacts from Android device in a simple way.
Apart from regaining deleted phone numbers, this Android Contacts Recovery has more useful features. For example, it supports to retrieve lost messages, photos, videos, music and documents on your Android phone besides contacts. In addition, both existing and lost contacts can be scanned and displayed on the menu. Thus you are able to restore them to your PC in a batch. If necessary, you can keep them as a backup on your computer to avoid losing them without warning.
Now you can download the free trial version to restore lost contacts from Android mobile phone with simple steps. By the way, there are two different versions for Windows and Mac users, please select the right one according to your computer system.
Note: In order to entirely retrieve deleted contacts from Android device by running this program, please root your Android phone first.
Step 1. Install and Open the Program
After you download the right version of Android Contacts Recovery, please install and operate it on the computer. Then connect your Android smart phone to the PC via a USB cord. Now you need to check the tips on the menu to get your phone detected by this program smoothly.
By the way, as Android OS has been updated for several generations, you can follow the instruction to open USB debugging on your phone.
1) For Android 2.3 or earlier: Enter "Settings" < Click "Applications" < Click "Development" < Check "USB debugging"
2) For Android 3.0 to 4.1: Enter "Settings" < Click "Developer options" < Check "USB debugging"
3) For Android 4.2 or newer: Enter "Settings" < Click "About Phone" < Tap "Build number" for several times until getting a note "You are under developer mode", Then you may back to "Settings" < Click "Developer options" < Check "USB debugging".
Moreover, if your mobile phone runs Android 4.2 or newer, you will get a pop-up window on the device as shown. Now you should press "Always allow from this computer" and "OK" to continue. After the above process, hit the "Refresh" button on the main menu, your Android smart phone will be detected immediately.
Step 2. Preview and Ready to Recover Lost Android Contacts
After identifying your phone, the whole existing and deleted contacts will be arranged on the interface soon. Now just view them and selectively mark your wanted contacts. At last, with one click on "Recover", you will save all contacts to your computer within seconds.
After restoring contacts to your computer, you can take them for more uses as you like. What's more, this Vibosoft Android Contacts Recovery can be compatible with all Android devices. If you just lost contacts from your Samsung, LG, HTC, Sony, Motorola or other Android phones, you can't miss it.