Different series of Sony Cell Phones:

<> D series- Low-mid range Cellphones(D750)

<> F series- Low-mid range mobile phones(F500)

<> J series- Low end candy bar mobile phones(J100-J300)

<> K series- Low high end candy bar mobile phones(K200-K850)

<> M series- Mid range Symbian OS smart phones(M600)

<> P series- High end Symbian OS smart phones(P800-P900,P1)

<> S series- High-mid end swivel and slider mobile phones(S500-S700)

<> T series- Low to high-mid end candy bar type mobile phones(T68-T650)

<> V series- Mid to high end mobile phones(V600-V800)

<> W series- Low to high end mobile phones branded under the Walkman name(w200-w960)

<> Z series- Low to high-mid end clamshell mobile phones(Z200-Z1010)