Djeparov, 36, currently plays at Zhetysu of Kazakhstan.
Djeparov joined Esteghlal in 2017, however his internal contract could not be registered with Esteghlal due to a FIFA imposed transfer ban. Later he joined Sepahan on loan until the end of the season.
Last season, Djeparov was a key player of Esteghlal and helped the team win Iran’s Hazfi Cup.
Djeparov was also named Persian Gulf Pro League top assister of the Year at the end of the season.
Nigerian striker Alhaji Gero left Esteghlal on Sunday.