Losing important contacts from lg happens unexpectedly, but you can still use
Coolmuster Lab.Fone for Android to help.
At first, you need to root your LG phone, or the problem can't recognize your device on computer successfuly.
how to restore lost lg contactsStep 1: Connect Your Device to Computer via the USB cable and Start the Problem
Step2: Enable USB Debugging
You need to enable USB debugging on your device, then the data on your android phone will be synced to computer. And the problem will scan your device directly.By the way you just need enable USB debugging for once.
Step3: Preview and Recover Contacts
After the scan, you can preview all of your messages and contacts on an interface. And this problem could help you distinguish deleted contacts with exsiting contacts. Then you just need to sekect and check those you need to recover, and click "Recover" to save lost contacts on your computer.
That's all!