The pilot 5G zone is part of wider plans for deployment of the high speed network across Russia.
The Chinese tech giant will reportedly run its HongMeng OS on its own phone.
China Begins 5G National Rollout in October, Shanghai Becomes First City with a Commercial 5G Network
The 5G network nationwide rollout in China in October anticipates its strong position for widespread commercialization in 2020.
In a new statement, Samsung outlined a downturn in profits but said it's looking to the future.