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AT&T and Verizon (UMTS/GSM vs CDMA) iPhone 4 Features Comparison and Differe

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iPhone finally available on Verizon Wireless, and though the new iPhone for CDMA network looks identical to the existing iPhone for UTMS (3GSM) and GSM mobile networks (used on AT&T and most mobile carriers worldwide), there are still some differences between them in terms of design, layout, features and specifications.

The main change is to make iPhone work on a CDMA network, a distinctive mobile communication technology from UTMS/GSM. Apple also makes the change on design to fix the antenna drops signal issue.


                                                              iPhone 4 AT&T (GSM/UTMS)    iPhone 4 Verizon (CDMA)                                                              

NetworkUMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz)CDMA EV-DO Rev. A (800, 1900 MHz)
Price (on 2-year contract)16GB: $199
32GB: $299
16GB: $199
32GB: $299
Data Plan200MB: $15
2GB: $25
2GB with Internet tethering: $45
Pricing is not announced yet, with rumor saying $30 for unlimited data usage. Current data plans for other smartphones are $15 for 150MB; $29.99 for unlimited; $49.99 for unlimited with tethering
Data Transfer RateUp to 7.2 Mbit/sUp to 3.1 Mbit/s
Early Upgrade Available at LaunchYesNo
Global RoamingYesYes (only few countries with CDMA carriers)
Simultaneous Voice and Data UsageYesNo
Personal Wi-Fi HotspotNoYes
SAR (Specific Absorption Rate)1.17 W/kg1.18 W/kg
SIM Card SlotMicroSIMNo SIM card slot required
Power and BatteryBuilt-in rechargeable lithium-ion battery
Talk time: Up to 7 hours on 3G and up to 14 hours on 2G
Standby time: Up to 300 hours
Internet use: Up to 6 hours on 3G and up to 10 hours on Wi-F
Video playback: Up to 10 hours
Audio playback: Up to 40 hours
Built-in rechargeable lithium-ion battery
Talk time: Up to 7 hours on 3G
Standby time: Up to 300 hours
Internet use: Up to 6 hours on 3G and up to 10 hours on Wi-F
Video playback: Up to 10 hours
Audio playback: Up to 40 hours
SizeHeight:4.5 inches (115.2 mm)
Width:2.31 inches (58.6 mm)
Depth:0.37 inches (9.3 mm)
Height:4.5 inches (115.2 mm)
Width:2.31 inches (58.6 mm)
Depth:0.37 inches (9.3 mm)
Weight4.8 ounces (137 grams)4.8 ounces (137 grams)
ColorsBlack and White (not yet available)Black and White (not yet available)
CrapwareNo carrier apps installedNo carrier apps installed
Antenna Gap Death GripAffectedNot Affected
Rating for Hearing Aids3G network – 850/1900MHz: M4, T4
2G network – 850MHz: M3, T3
2G network – 1900MHz: M2, T3
M4, T4
Cosmetic Change and DifferencesA gap on stainless steel band (antenna metal bar) on top of the phone
Both sides of stainless steel band has a gap at the bottom
Volume buttons and mute slider are place slightly up to the top.
No gap on top stainless steel band (meta antenna bar).
Both sides of stainless steel band has two gaps on top and bottom.
All other features would be the same in all iPhones, including engineered glass, Retina Display, Apple A4 chip, three-axis gyroscope, accelerometer, 802.11b/g/n Wi-Fi (802.11n 2.4GHz only), Bluetooth 2.1 + EDR wireless technology, assisted GPS, digital compass, 5-megapixel digital camera with LED flash, ability to capture HD video, microphone, speaker, proximity sensor, ambient light sensor, FaceTime and multi-touch user interface.

How to Pre-Order iPhone 4 on Verizon (Register Interest)

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The CDMA version of iPhone 4 will be only available for pre-order on or around February 3rd, 2011, but apparently Verizon has already started to accept registration of interest. Thus, for people who wants to be the first to know when the official pre-order starts, sign up for Verizon mailing list to be in the loop.

To sign up and register for interest on iPhone 4, head to the following iPhone page on Verizon Wireless or directly to the following URL:


The pre-oder is only available to Verizon Wireless customers only, on a “first come, first serve” basis via VerizonWireless.com. Both home and business pre-order buy must be made online, with store order only available on February 10th, 2011, the official launch date.

It’s unclear what priority will be given to those who register for interest though, although the registration page specifies that current Verizon Wireless customers who sign up will have an exclusive opportunity to get an iPhone 4 from the carrier’s reserved quantity before they’re available to everyone else.

Acer Liquid Mini Android Smartphone Overview

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Besides announcingbeTouch E210 Android smartphone, Acer has also announced a new Android smartphone which is named as Acer Liquid Mini. The Acer Liquid Mini has been designed to run on Android 2.2 Froyo operating systems and powered by a 600MHz Qualcomm 7227 processor.

Featured with a 3.2-inch HVGA touchscreen which operates at 480 x 320 resolutions, the Acer Liquid Mini is also equipped with a 5-megapixel camera with capability of 480p video recording. It boasts a GPS, has built-in stereo FM radio, 512MB RAM, supports HSDPA and DLNA connectivity and comes with a battery that provides up to 6.5 hours of talk time and up to 20 hours of standby time. In addition, it is Bluetooth enabled and supports up to 32GB of microSD memory card.

Available in five vibrant colors such as jet silver, royal blue, piano black, lime green and light pink, the Acer Liquid Mini is expected to be available on 11 April in UK . However, the price of the Android smartphone is not yet announced.

Motorola Droid Bionic LTE 4G Android Smartphone Specifications

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Motorola Droid Bionic is the first LTE 4G Android smartphone from Motorola. The smartphone has been designed to run on Verizon’s new LTE network. The Android smartphone is runs on Android 2.2 Froyo operating systems and powered by Dual core 1000 MHz Processor.

Key features of the Motorola Droid Bionic includes:

A 4.3-inches capacitive Touchscreen display with 540 x 960 resolutions.
Supports Wi-Fi 802.11b/g/n and A-GPS.
Bluetooth 2.1 enabled with EDR and A2DP.
3D graphics hardware accelerator.
Computer synchronization, OTA synchronization and DLNA connectivity.
A front-facing VGA camera and a rear-facing 8-megapixel camera with AF and LED flash.
Supports HD 1080p video recording.
Supports HTML5 and Adobe Flash Player.
Supports MP3, AAC, AAC+, eAAC+ and MIDI audio formats and MP4, H.263, H.264 video playback.
Comes with a Li-ion 1930 mAh battery, 16GB of internal memory and 512MB RAM.
Supports up to 32GB of microSD card memory.
Has built-in 3.5mm audio jack, micro USB 2.0 and HDMI port.
The Motorola Droid Bionic with dimensions of 125.9×66.9×13.3mm and weighs 158 gram is expected to be available in second quarter of 2011. However, the price of the Android smartphone is not yet announced.

Microsoft Touch Mouse With Multitouch Surface

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Microsoft corporation has unveiled its new multitouch mouse, named as Microsoft Touch Mouse, which is designed specifically to extend your Windows 7 usage with the ability of clicking, flicking, scrolling and swiping, providing an easy and fun way to interact with your Windows 7 PC.

Key features of Microsoft Touch Mouse:

New multitouch surface allows users to snap, navigate and control content by using natural gestures
New flick scrolling functionality enables users to quickly scroll and pan through windows and documents
New improved, simple task switching on Windows 7
BlueTrack Technology for tracking virtually anywhere, anytime
Ambidextrous design for use with left- or right-hand
Snap-in USB nano transceiver supports a range of 30 foot
Microsoft Touch Mouse is now available for pre-order at Microsoft Store online and Amazon.com, expected to hit the market in June 2011 for around $80.

Watch the demo video for Microsoft Touch Mouse: