[8] On 18 January 2020, SC Paderborn announced the signing of Samúel on a contract until 30 June 2022.
[9] Samúel rejoined Viking in October 2020, having agreed the termination of his contract with SC Paderborn.
[10] Samúel represented the Icelandic U-17 national team on 11 occasions between 2011 and 2012, scoring twice, with his debut coming on 2 August 2011, in a 3–1 win over Sweden U-17.
[11] On 26 March 2015, Samúel made his debut for the U-21 team in their 3–0 defeat to Romania.
[11] Samúel made his debut for Iceland on 11 January 2018 in an unofficial friendly against Indonesia Selection.