Latest Symbian OS Series 40 user agents:

User Agent Browser Device
Mozilla/5.0 (Series40; SM-A207F; Profile/MIDP-2.1 Configuration/CLDC-1.1) Gecko/20100401 S40OviBrowser/2.0.2.68.14 Nokia Ovi Browser 2 Galaxy A20s
Mozilla/5.0 (Series40; NokiaX3-02/le6.32; Profile/MIDP-2.1 Configuration/CLDC-1.1) Gecko/20100401 S40OviBrowser/1.0.0.11.8 Nokia Ovi Browser 1 X3
Mozilla/5.0 (Series40; NokiaX3-02/07.51; Profile/MIDP-2.1 Configuration/CLDC-1.1) Gecko/20100401 S40OviBrowser/5.0.0.0.31 Nokia Ovi Browser 5 X3
Mozilla/5.0 (Series40; NokiaX3-02/07.51; Profile/MIDP-2.1 Configuration/CLDC-1.1) Gecko/20100401 S40OviBrowser/1.0.2.26.11 Nokia Ovi Browser 1 X3
Mozilla/5.0 (Series40; NokiaX3-02/07.16; Profile/MIDP-2.1 Configuration/CLDC-1.1) Gecko/20100401 S40OviBrowser/3.9.0.0.22 Nokia Ovi Browser 3 X3
Mozilla/5.0 (Series40; NokiaX3-02/07.16; Profile/MIDP-2.1 Configuration/CLDC-1.1) Gecko/20100401 S40OviBrowser/2.2.0.0.34 Nokia Ovi Browser 2 X3
Mozilla/5.0 (Series40; NokiaX3-02/07.16; Profile/MIDP-2.1 Configuration/CLDC-1.1) Gecko/20100401 S40OviBrowser/1.0.1.21.8 Nokia Ovi Browser 1 X3
Mozilla/5.0 (Series40; NokiaX3-02/07.15; Profile/MIDP-2.1 Configuration/CLDC-1.1) Gecko/20100401 S40OviBrowser/3.9.0.0.22 Nokia Ovi Browser 3 X3
Mozilla/5.0 (Series40; NokiaX3-02/06.05; Profile/MIDP-2.1 Configuration/CLDC-1.1) Gecko/20100401 S40OviBrowser/2.3.0.0.49 Nokia Ovi Browser 2 X3
Mozilla/5.0 (Series40; NokiaX3-02/06.00; Profile/MIDP-2.1 Configuration/CLDC-1.1) Gecko/20100401 S40OviBrowser/5.0.0.0.31 Nokia Ovi Browser 5 X3