Discussions are now open! Start your own threads and share your thoughts with the community. 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 · 160x128px 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 Samsung Galaxy S24 AT&T U2800A vs Samsung Galaxy S23 Ultra 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 Samsung might have one more foldable surprise planned for Unpacked Honor Magic V5 is official: it's the world's thinnest foldable (again), but only in this special color Last call: Apple's $95M Siri privacy payout deadline is today Amazon's one-of-a-kind Echo Hub is down to a new record low price ahead of Prime Day 2025 Nothing OS 4.0 is coming fast and it could finally unlock the Phone (3)’s weirdest feature Fork ahead: the Xiaomi 16 Ultra might have another, super-premium edition Popular stories Google says you must disable this setting now to stop attacks from malicious texts Promised T-Mobile feature is live in T-Life for real this time Samsung just sabotaged the Galaxy Z Fold 7. What now? Galaxy Z Fold 7 battery less than 4,400 mAh, IP rating also disappoints Latest Verizon offer is so good that its legitimacy is being questioned Two Apple Watch models are reportedly about to get major upgrades — and one is long overdue