O2
O2 XDA Zinc

O2
O2 XDA Atom

Features
WAP 2.0/xHTML, HTML (PocketIE), - Pocket Office , - Voice memo, - MP3/AAC player
WAP 2.0/xHTML, HTML (PocketIE), - Pocket Office , - Voice memo, - MP3/AAC player
WAP 2.0/xHTML, HTML (PocketIE), - Pocket Office , - MP3/AAC/AAC+/WMA/OGG/AMR player, - WMV/MP4 player,
Memory
miniSD, 64 MB RAM, 1 GB ROM
64 MB RAM, 128 MB ROM, miniSD
64 MB RAM, 128 MB ROM, miniSD
Display
TFT resistive touchscreen, 256K colors (65K effective), - Handwriting recognition, 2.7 inches, 22.6 cm2 (~36.7% screen-to-body ratio), 240 x 320 pixels, 4:3 ratio (~148 ppi density)
TFT resistive touchscreen, 65K colors, - Handwriting recognition, , 240 x 320 pixels, 4:3 ratio (~143 ppi density), 2.8 inches, 24.3 cm2 (~38.4% screen-to-body ratio)
TFT resistive touchscreen, 256K colors (65K effective), 240 x 320 pixels, 4:3 ratio (~148 ppi density), 2.7 inches, 22.6 cm2 (~38.2% screen-to-body ratio), - Handwriting recognition
Battery
Up to 200 h, Up to 4 h, Removable Li-Po 1530 mAh battery
Up to 5 h, Removable Li-Ion 1300 mAh battery, Up to 220 h
Up to 5 h 30 min, Up to 150 h, Removable Li-Po 1530 mAh battery
Main Camera
LED flash, Yes, 2 MP
LED flash, Yes, 2 MP
LED flash, Yes, 2 MP