All the major Samsung smartphones such as Samsung Galaxy S8, S8+, Note 8 and S8 Active will receive the update. Alongside these models, Samsung will release the Oreo update to the newly released smartphones- the Galaxy A8 (2018), the Galaxy A8+ (2018).
Other smartphones on the race for the update are: Samsung Galaxy A3 (2017), Galaxy A5 (2017), Galaxy A7 (2017), Galaxy A8 (2016) SM-A810, Galaxy J3 (2017), Galaxy J5 (2017), Galaxy J7 (2017), Galaxy J7+, Galaxy J7 Duos (2017), Galaxy J7 Max, Galaxy J7 Neo, Galaxy J7 Prime, Galaxy Note FE, Galaxy S7, and Galaxy S7 Edge.
There are some Samsung tablets as well which are expected to receive the Oreo update: Samsung Galaxy Tab A 8.0 SM-T355, Galaxy Tab A 8.0 SM-T380/T385 2017, Galaxy Tab A 10.1 SM-T580, Galaxy Tab Active 2, Galaxy Tab E 8.0, and Galaxy Tab S3 SM-T825.
With that said, Samsung will release the Oreo update to almost all the smartphones released in the past two-three years. These devices are almost to receive the update because they’re found on the company’s official firmware itself. There are some more already announced devices on the list which are currently running Android Nougat but soon expected to receive the Oreo update.
The Samsung Galaxy C7 Pro, Galaxy C9 Pro, Galaxy J5 Pro, Galaxy J7 Pro, Galaxy S7 Active are the smartphones which may receive the update too, but the xml files of these phones were not present on the Note 8 beta firmware. As usual, the rollout of the update is unknown at the moment. But Samsung said that the Galaxy S8 and S8+ would receive the update in the next couple of weeks, followed by the Galaxy Note 8. Already, the company has ended the beta program for the S8 and S8+, so expect the update anytime soon.