Package went back to seller, but they agreed to ship it back: LW829458942CN

Hello, my package came to the USA but kept looping around the same 2 distribution centers. I think the address was incomplete or something so it got sent back to China. (Strange because my address was correct.) I contacted the seller and they said they would send it back. I checked the EMS China website and the last update was "Returned to Sender." Will this tracking ever update again if the seller ships it back to me, or does it stop after "Returned to Sender?" Thank you.