Home AT&T Phones You are here Updated : Sep 21, 2012, 1:10 AM AT&T U2800A Full Specifications Released · Sep 27, 2011 1.8-inch 900 mAh I want it 1 user I have it 4 users I had it 1 user Popular Comparisons The AT&T U2800A is most commonly compared with these phones: AT&T U2800A vs Apple iPhone 15 Pro AT&T U2800A vs Samsung Galaxy S22 Ultra AT&T U2800A vs Samsung Galaxy S23 AT&T U2800A vs Samsung Convoy 3 AT&T U2800A vs Nokia C2-01 Design Dimensions 4.37 x 1.84 x 0.56 inches 111 x 47 x 14 mm Weight 2.68 oz (76.0 g) Features Numeric keypad, Soft keys, D-Pad Display Size 1.8-inch Resolution 160x128px, 114 PPI Screen-to-body 19.66 % Colors 262 144 Battery Capacity 900 mAh Type Li - Ion Connectivity & Features USB microUSB Hearing aid compatible M3/T3 Multimedia Headphones 3.5mm jack Cellular 3G Bands 5(850), 2(1900), 1(2100) Data Speed HSPA, UMTS Phone Features Notifications Polyphonic ringtones, Vibration, Phone profiles, Flight mode, Silent mode, Speakerphone Other features TTY/TDD Despite our efforts to provide full and correct AT&T U2800A 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 Firm plans to update BlackBerry phones, add new chips, memory, storage, and install Android Taiwan bans chip exports to Huawei and SMIC so that TSMC "Won't get fooled again" Your Wear OS smartwatch is about to get a real-world emergency upgrade Feature in iOS 26 will reduce one major fear about software updates for iPhone users Amazon is already selling the brand-new Sony WH-1000XM6 alongside a nice little gift Google launching a line of wireless charging accessories could have a big impact on Pixel’s future Popular stories Highly sought-after T-Mobile Tuesdays freebie returns tomorrow Latest T-Life update gives T-Mobile customers the freedom they have longed for T-Mobile delists Go5G plans from its retail system and introduces bizarre new policy A trio of new features is coming to Google Messages although one might already be here T-Mobile CEO Mike Sievert might be let go before end of contract as company purses new strategy AT&T customer's birthdates, social security numbers show up online in plain text (UPDATE)