What do I do when my Samsung OneDrive bonus expires?

There are a number of options to purchase more storage. You can find the various plans and prices from the Plans and upgrades page of your OneDrive account, [or the app].

Yes. Each storage offer is separate and offers may overlap. 

Yes, but note that each Microsoft account holder can only redeem a Bonus once.

There are several options to purchase more storage. You can find the various plans and prices from the Plans and upgrades page of your OneDrive account.

After two years, you can still access and download all your files in OneDrive, but your OneDrive account will be frozen if you exceed your OneDrive storage limit for more than three months. You can purchase additional storage if your OneDrive account exceeds the 5GB of storage that all users get for free. Read more about when your OneDrive account is frozen.

Yes. Before the bonus expires, you will see a notification.

Yes, the extra storage continues on your Microsoft account for the remaining term of the offer.

The storage continues on your Microsoft account for the remaining term of the offer on your old phone. It cannot be extended by buying a new device because each Microsoft account holder can only redeem a Bonus once.

The OneDrive offer can only be redeemed once per device. Second-hand devices are only eligible if OneDrive was pre-installed and the previous owner did not redeem the offer and you have not taken out an offer previously.

Each Microsoft account holder can only redeem a Samsung Bonus once. If you purchase another device, you will not get an additional offer.