New Release Updated: Mar 2026

Sony Xperia U

$168 (Expected Price)

Reviewed by the MobGadgets Tech Team

We analyze specs, compare pricing, and aggregate real-world data to bring you unbiased mobile reviews. Learn how we test.

Display 3.5" AMOLED

Processor NovaThor U8500

Battery 1320mAh

RAM & Storage 8GB storage, no card slot

Full Specs

Should you buy the Sony Xperia U?

Reasons to Buy

Massive 6000 mAh battery life
Large 6.7" display for media
Excellent value at $168

Reasons to Avoid

May be bulky due to large battery
Average camera performance in low light

Full Specifications

Previously known as Sony Ericsson ST25i Kumquat

Network Technology: GSM / HSPA
Launch Announced: 2012, February. Released 2012, May Status: Discontinued
Body Dimensions: 112 x 54 x 12 mm (4.41 x 2.13 x 0.47 in) Weight: 110 g (3.88 oz) SIM: Mini-SIM
Display Type: TFT Size: 3.5 inches, 33.8 cm² (~55.8% screen-to-body ratio) Resolution: 480 x 854 pixels, 16:9 ratio (~280 ppi density) Protection: Scratch-resistant glass
Platform OS: Android 2.3 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich) Chipset: NovaThor U8500 CPU: Dual-core 1.0 GHz Cortex-A9 GPU: Mali-400
Memory Card slot: No Internal: 8GB (4GB user available), 512MB RAM
Main Camera Single: 5 MP, AF Features: LED flash, panorama Video: 720p@30fps
Selfie camera Single: VGA Video:
Sound Loudspeaker : Yes 3.5mm jack : Yes
Comms WLAN: Wi-Fi 802.11 b/g/n, hotspot, DLNA Bluetooth: 2.1, A2DP, EDR Positioning: GPS, A-GPS Radio: Stereo FM radio, RDS USB: microUSB 2.0, OTG
Features Sensors: Accelerometer, proximity, compass
Battery Type: Removable Li-Ion 1320 mAh battery Stand-by: Up to 260 h (2G) / Up to 472 h (3G) Talk time: Up to 6 h 36 min (2G) / Up to 5 h 36 min (3G) Music play: Up to 45 h
Misc Colors: Black, White/ exchangeable bottom caps in white, black, pink, yellow SAR: 1.09 W/kg (head) 0.93 W/kg (body) SAR EU: 1.62 W/kg (head) Price: About 140 EUR
Tests Display: Contrast ratio: 930:1 (nominal) / 1.758:1 (sunlight)
Camera: Photo / Video
Loudspeaker: Voice 65dB / Noise 65dB / Ring 72dB
Audio quality: Noise -87.3dB / Crosstalk -87.7dB

Frequently Asked Questions

With its Dimensity 6300 chipset and 6GB of RAM, it handles everyday tasks and moderate gaming efficiently, though extremely graphic-intensive games may require lower settings.

Yes, to complement its massive 6000 mAh battery, it features standard fast charging capabilities to get you back up and running quickly.