Indian handset maker Zen Mobile introduced an Android-based smartphone, called 'Ultraphone U4', into the burgeoning smartphone market.

The smartphone comes with a dual-SIM slot and 3.2-megapixel camera besides other standard specifications.

Key Specifications of Zen Mobile's Ultraphone U4 smartphone include:


Ultraphone U4


4.3-inch WVGA capacitive display screen


Android v2.3 OS (Ginger Bread)


Processor with 1 GHz CPU speed

and graphics processing

Internal Memory

512 MB

Storage capacity

Expandable up to 32 GB


3.2-megapixel VGA camera with LED flash

Additional specs

Dual-SIM,2G,Wi-Fi,Bluetooth with

A2DP(Advanced Audio Distribution



Li-on battery with 1500 mAh

Up to 168 hours of standby time

And up to 6 hours of talk time


Rs. 5,999/-

 *Zen Mobile recommended price.

Ultraphone U4 is now available through online retailer

The smartphone is competitively priced for a 4.3-inch display. The major drawback is that the smartphone runs on an outdated Android v2.3 Ginger Bread OS. Mobile manufacturers like Micromax, Karbonn Mobiles and other emerging Indian companies offer Android v4.0 Ice Cream Sandwich OS on smartphones in a similar price range.