Samsung A877 Impression Card slot: microSD, up to 16 GB (dedicated slot); Phonebook: 2000 entries, Photocall; Call records: 30 dialed, 30 received, 30 missed calls; Internal: 190 MB; Type: AMOLED resistive touchscreen, 256K colors; Screen Size: 3.2 inches (~44.1% scree...
Samsung A257 Magnet Card slot: No; Phonebook: Yes, Photo call; Call records: Yes; Internal: 64 MB; Type: TFT, 65K colors; Screen Size: 2.2 inches (~23.7% screen-to-body ratio); Resolution: 220 x 176 pixels (~128 ppi pixel density); Alert types: Vibration; Downl...