Following is a list of mobile phones that are categorized based on their respective operating system:

Nokia Seri 40 1st edition:
Nokia 2610, 2626, 3155, 3200, 3220, 3300, 3510, 5070, 5100, 5140, 5140i, 6020, 6021, 6030, 6060, 6070, 6080, 6100, 6101, 6102i, 6103, 6170, 6220, 6250, 6610, 6800, 6810, 6820, 6822, 7100, 7200, 7250, 7250i, 7260, 7270, 7360, 7380, 7600

Nokia Seri 40 2nd edition:
Nokia 3230, 5140, 6020, 6021, 6030, 6060, 6070, 6101, 6103, 6111, 6112, 6170, 6230, 6230i, 6280, 6822, 7260, 7270, 7360, 8800, 9300, 9500

Nokia Seri 40 3rd edition:
Nokia 3109, 5070, 6111, 6125, 6131, 6136, 6151, 6233, 6234, 6265,, 6270, 6280, 6282, 7370, 7380

Symbian OS v6.0 S80 :
Nokia 9210, 9210i, 9210c, 9290

Symbian OS v6.1 S60 :
Nokia 3250, 3600, 3620, 3650, 3660, 6600, 7610, 7650, N-Gage, N-Gage QD
Sendo X
Siemens SX1

Symbian OS v7.0s S60 :
Nokia 3230, 6260, 6600, 6620, 6670, 7610
Panasonic X700
Samsung SGH-D720, SGH-D730

Symbian OS v7.0s S80 :
Nokia 9300, 9300i, 9500

Symbian OS v7.0 S90 :
Nokia 7710

Symbian OS v8.0 S60 :
Lenovo P930
Nokia 6620, 6630, 6670, 6680, 6681, 6682

Symbian OS v8.1 S60 :
Nokia N70, N72, N90,

Symbian OS v9.0 S60 :
LG Joy

Symbian OS v7.0 UIQ:
Arima U308
Sony Ericsson P800, P802

Symbian OS v7.0 UIQ 2.0:
Motorola A925, A920

Symbian OS v7.0 UIQ 2.1:
BenQ P30
Sony Ericsson P900, P910i
Motorola A1000

Symbian OS v9.1 UIQ 3.0:
Sony Ericsson M600i, P1i, P990i, W950, W960

Symbian OS v9.2 UIQ 3.1:
Motorola MOTORIZR Z8

Sony Ericsson Java:
Sony Ericsson D750i, K510i, K600i, K608i, K610i, K750i, K800i, K810i, V600i, W550i, W700i, W800i, W810i, W900i, Z520i, Z530i

Motorola Java:
Motorola RAZR V3x

If you're not found the type of your mobile phone here. You can check out on your phone official site or search in Google.