There are few major changes and good features of the iPhone 4 compared to the iPhone 3GS which are the high definition Retina display, camera LED flash, 5 megapixels camera with additional front camera, the powerful A4 processor, longer battery life and many more. Of course the iOS 4’s firmware with many great functions is also implemented in the iPhone 4. Overall, the iPhone 4’s smart phone is stunning and astonishing.

1. TOP 10 FEATURES OF IPHONE 4
By:
Kit Chong
(Mobile Mega Mall)
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2. INTRODUCTION
 Apple have had released the new
generation's iPhone 4 on June 24, 2010 and
Apple claims that iPhone 4 is the most
evolved model compare to the previous
iPhone models. There are many improved
characteristics in the iPhone 4 and the top
10 features are listed in the following.
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3. CLEARER SCREEN
(RETINA SCREEN):
 One of the great improvements on iPhone 4 is the
new Retina screen.
 This Retina screen is the sharpest, most vibrant,
highest-resolution mobile phone screen ever.
 It has a resolution of 640 x 960 at 326 ppi, and it is
2 times the previous iPhone.
 Since the Retina display’s pixel density is so high,
your eye is unable to distinguish individual pixels.
 The Retina screen uses technology called in-plane
switching (IPS) to achieve a wider viewing angle
than on typical LCDs and its offers four times the
contrast ratio of previous models which make
everything sharper and amazing on iPhone 4.
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4. CLEARER SCREEN
(RETINA SCREEN):
 This Retina display is leading the market over the
other products for many years.
 The Retina display glass which made from the
same materials used in helicopters is chemically
strengthened to be harder, more scratch resistant,
oil-resistant and more durable than ever.
 The writing on the screen looks like likely prints on
the paper, and it is completely differential from what
you can see in the formal screen.
 Once you have already used the Retina display,
then you will not willing to use the previous display
again.
 Please remember to use the iPhone case, screen
protector and other mobile accessories to protect
your iPhone. 4

5. GYROSCOPIC SENSOR:
 In this century, the mobile phones become more
and more intelligence.
 This view is very appropriate to iPhone 4 as it has 6
sensors, including 1 gyroscope sensor, three-axis
accelerometer sensors, 1 proximity sensor and 1
ambient light sensor.
 The iPhone 4 built-in gyroscopic sensor will
enhance its perception of how it is moved and may
on 6 axes the sensation movement.
 To the user, this meant it will benefit cooler game
and application.
 At present it will be very difficult to talk clearly on
the exploiter to use this sensor but it is certainly a
very innovation technology birth.
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6. THICKNESS:
 The iPhone 4 is the global thinnest intelligence
mobile phone now.
 The iPhone 4 thickness are 9.3 millimeters which is
24% thinner compared to iPhone 3GS.
 The outlook design of the iPhone 4 is very eye-
catching and when you take it with the hand, you
will be impressed and amazed too.
 The iPhone 4 screen is same as before which is 3.5
inches; therefore it is smaller than the majority
Android mobile phones.
 However, this is possibly the iPhone 4 inferiority as
well.
 Some analysts believed that because more and
more users will use mobile phone to watch movie,
the users hope that the screen's size should be 6
bigger.

7. CAMERA LED FLASH:
 The Apple produced the iPhone 4 cameras with the
LED flashing light and this was considered that the
Apple pursue the competitor an action.
 The integrated advanced backside illumination
sensor and built-in LED flash that automatically fires
when it’s needed will allows the users to shoot
photos and videos at night or in low-light ambient
easily.
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8. BETTER CAMERA:
 The iPhone 4 camera qualities have had improved
compare to previous model.
 This mobile phone's camera is 5 megapixels which
higher than the iPhone 3GS as 3 megapixels.
 This is not the best mobile phone’s camera in the
market, for example HTC Droid Incredible
integrated 8 megapixels camera, and Google
Nexus One has also used 5 megapixels camera.
 However, iPhone 4 might also photograph the high
definitions (720p) videos.
 At the same time, the Apple also promotes a new
video editor called iMovie app simultaneously.
 The camera also provides 5x digital zoom and
optional HDR (high dynamic range) setting which
helps to captures amazingly detailed images. 8

9. FRONT CAMERA AND
VIDEO CONFERENCE:
 Besides the 5 megapixels camera on the back,
iPhone 4 also integrated with the front-facing
camera which is one of the most awaiting features
by iPhone’s fans.
 This front-facing camera may use for self-portraits
and in the video conferences.
 Self-portrait’s videos and photos are very common
nowadays especially for teenagers because its
helps the users to take their portraits easily.
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10. MULTITASKING AND
FOLDERS:
 The iPhone 4 has used new operating system iOS 4.
 This updated system biggest improvement lies to the
multitasking support, this meant iPhone 4 can using multiple
applications simultaneously and switch between them instantly
without slowing down the performance or draining the battery
unnecessarily.
 For example, when the user is listening to the internet
broadcasts, may simultaneously receive and dispatch the
email.
 Some of the intelligent mobile phones in the market can
support the multi-duties as well, hence it is not a new
innovation by Apple but it is totally new to iPhones and very
useful.
 Another great function that implemented in iOS 4 is the
Folders.
 The Folders is a new way to organize the apps and it helps to
make room for more apps.
 Thus, the iPhone 4 can looks more organized and easier to 10
find apps by categorized them.

11. STAINLESS STEEL
ANTENNA:
 The iPhone 4 front and back are flat, but the sides
are “wrapped” with the stainless steel.
 This is not only for artistic designs, but it plays the
antenna's role as well.
 This is a very cool engineering design but rumor
said that Apple is still doing research on the weak
radio signal reception problem.
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12. INTERNAL COMPONENT:
 The iPhone 4 has used the brand-new A4
processor which will make the iPhone 4 speed
quicker compare with relative competitor products.
 On top of that, the iPhone 4 includes an additional
microphone at the top of the unit for noise
cancellation and also switched the placement of the
microphone and speaker on the unit which the
speaker is on the left now which will help to get
clearer voice conversation.
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13. BATTERY LIFE:
 Apple claims that the iPhone 4’s battery usage time
is better than iPhone 3GS but the standby time will
be the same as 300 hours.
 The rated iPhone 4’s battery was stated to be
capable of providing up to ten hours of video, ten
hours of web browsing on WIFI or six on 3G,
fourteen hours of 2G talk time or seven on 3G, and
40 hours of music.
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14. SUMMARY:
 There are few major changes and good features of
the iPhone 4 compared to the iPhone 3GS which
are the high definition Retina display, camera LED
flash, 5 megapixels camera with additional front
camera, the powerful A4 processor, longer battery
life and many more. Of course the iOS 4’s firmware
with many great functions is also implemented in
the iPhone 4. Overall, the iPhone 4’s smart phone
is stunning and astonishing.
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15. AUTHOR
Kit Chong
(Mobile Mega Mall)
 Mobile Mega Mall is Malaysia No. 1 online shopping centre
with hundred of shops selling mobile accessories & phones,
and digital products.
 It is the right place for you to grab your iPhone case and
iPhone accessories.
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