If your Google account is synced with the device, it should keep a backup of your Samsung contacts in Google Contacts and you are able to restore the lost contact numbers from there. When you set up your Samsung Android phone the first time, you will be prompted to add a Google account to be associated with your device. This is another solution if you cannot recover Samsung contact numbers from service provider. Restore Contacts from Gmail Account (Google Contacts) Please note that not all mobile phone service provides will have a copy of the contacts on their systems. You may attempt to contact your service provider (i.e, Verizon, ATT) and ask them for permission to recover your lost contacts. This is the first option you should try when your Samsung contacts went missing. Depending on how you lost the contacts, it can be simple or complicated to recover. Thankfully, there're always ways to recover lost phone numbers on Samsung phone. Whether you've accidentally deleted contacts on Samsung (Galaxy) phone or the contacts list disappeared for some other reasons, successful contacts recovery on Samsung is important for you, because you need them to stay in touch with the world.

Has anyone seen anything like this and is there any way of recovering the contacts? My contacts lost!!! I don't know why this is happening - my contacts were in my old Samsung phone, but when I'm switching them to my new phone they disappeared. How to Recover Contacts from Samsung Galaxy Phone - 5 Options

Samsung a20 phone