Samsung F300 Card slot: microSD (dedicated slot); Phonebook: 1000 entries, Photocall; Call records: 30 dialed, 30 received, 30 missed calls; Internal: 128 MB; Type: TFT, 256K colors; Screen Size: 2.1 inches, 33 x 42 mm (~30.5% screen-to-body ratio); Resolut...
Samsung X550 Card slot: No; Phonebook: 500 entries, Photocall; Call records: 20 dialed, 20 received, 20 missed calls; Internal: 2 MB; Type: TFT, 65K colors; Screen Size: 1.9 inches (~28.2% screen-to-body ratio); Resolution: 120 x 160 pixels (~105 ppi pixel ...