Pre-order the Galaxy Z Fold 7 now and get double the storage! Samsung has opened pre-orders for its brand new foldable. Home AT&T Phones You are here Updated : Oct 14, 2011, 4:53 AM AT&T Z331 Full Specifications 0.14GB 2.4-inch Single camera 950 mAh This device is also known as ZTE Z331 I want it 2 users I have it 0 users I had it 0 users Popular Comparisons The AT&T Z331 is most commonly compared with these phones: AT&T Z331 vs Samsung Galaxy S23 AT&T Z331 vs Samsung Galaxy S22 Ultra AT&T Z331 vs Nokia 8210 4G AT&T Z331 vs Samsung Galaxy S20+ AT&T Z331 vs Samsung Galaxy S22+ Design Dimensions 3.86 x 2.03 x 0.67 inches 98 x 52 x 17 mm Weight 3.17 oz (90.0 g) Features Numeric keypad, D-Pad, Soft keys Display Size 2.4-inch, 35.28% screen-to-body Type TFT Resolution 320x240px, 167 PPI Colors 262 144 Additional display 1.5 inches, 128 x128 px, OLED Hardware Memory 0.14GB Storage expansion microSDHC up to 8 GB Battery Type 950 mAh, Li - Ion Camera Rear Single camera Main camera 3 MP Video recording 176 x 144 pixels, 176 x, 144 pixels Connectivity & Features Bluetooth 2.0 USB USB 1.1 Hearing aid compatible M3/T4 Multimedia Radio FM Cellular 3G Bands 5, 2, 1 Data Speed UMTS, HSDPA 3.6 Mbit/s Phone Features Notifications Vibration, Silent mode, Speakerphone Other features TTY/TDD Despite our efforts to provide full and correct AT&T Z331 specifications, there is always a possibility of admitting a mistake. If you see any wrong or incomplete data, please LET US KNOW. If you are interested in using our specs commercially, check out our Phone specs database licensing page. Carrier Availability Discontinued AT&T Latest News Meta’s new prototype VR headsets provide massive FOV while being smaller than ever Unusual twist means that a component other than the AP will determine phone prices next year Apple pressures Samsung and LG to help it combat tariffs by reducing their profits Latest iPhone 17 Air leak said just what we didn't want to hear Pixel Watch 4 might finally bring a feature it must have had years ago T-Mobile, AT&T, and Verizon are experiencing major issues in Kansas City Popular stories People browsing Galaxy Z Fold 7 in stores have noticed a problem T-Mobile's network meets Mint Mobile's price and makes unlimited wireless stupid cheap Pixel Watch 4 finally brings the one upgrade Google fans have been begging for Verizon's promo is giving customers a pricey surprise Google and Samsung are making me more and more excited about the Pixel 10 series T-Mobile confirms not one but two cool summer freebies are coming to a store near you soon