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iPhone 4 is thinner, shorter and ever so slightly heavier than iPhone 3GS. Gone is the curved plastic back plate, replaced by a flat glass panel and a shiny metal band that wraps around the perimeter of the device. This is the first major redesign since the original iPhone debuted three years ago. The basic design - touchscreen and single front-panel button - is the same as it's always been, but the styling cues, accents, and overall hand feel are markedly changed.Most striking is the screen, which has a new sharpness from its special 3.5-inch Retina display that gives a 960×640 resolution – the highest of any smartphone. The camera, featuring 720p HD video recording, appeared to be much better quality – it has a five-megapixels sensor, compared to three on the 3GS, and features an LED flash that also doubles as a video light when recording.
Running the new 4.0 software and with an A4 Apple processor inside, response times seemed markedly faster than its predecessor.
If you’re a gamer, you will appreciate the addition of a gyroscope to the iPhone’s motion-sensing capabilities, and if you are just a general user, improved battery life that allows up to 10 hours of internet browsing on Wi-Fi means the iPhone will still be lit up and functioning long after the Evo, with its weak battery life, will have shut down.
On the bright side, FaceTime video calls are fantastic, likely because there's no cellular signal involved (you're limited to WiFi calling). Video and audio are great, it's easy to switch between front/rear cameras and landscape/portrait orientation in the middle of a call, and the narcissist in me loves flicking the preview window from corner to corner instead of paying attention to the person I'm FaceTiming with. Apple was incredibly smart to make video calling "just another button" in the standard phone interface, making it much easier to place a video call on an iPhone than a comparable Android device. The limitation with FaceTime, of course, is that for now you can only make video calls between two iPhone 4s. But that's kind of the point, from Apple's perspective.
Usually I wrap up phone reviews by saying - or at least thinking - that a week or two with a new smartphone is hardly enough time to get to know it, let alone be able to tell how it'll hold up over the long haul. In this case I've got the opposite feeling. By now all iPhone owners are familiar enough with the operating system, the iTunes/App Store ecosystem, and the way an iPhone works that a few weeks with iPhone 4 is plenty of time to get to know the thing. The question that remains isn't how well Apple's new phone will hold up over the long haul so much as whether or not Apple will be able to fix the issues that are plaguing the device right out of the gate, or if they'll wind up as part of the cost of being an iPhone user.
The iPhone 4 is the ultimate upgrade to the iPhone line.
I've owned each iPhone from day 1 of their launch dates.
(Please also read my reviews of the iPhone 1.0, 3G, & 3Gs)
I've owned a cellphone since 1992. I've always had a "top of the line phone" (I've always had AT&T = formerly Cingular = formerly BellSouth Mobility)
In 17 years having cellphones, I've had over 100 (Yes 100+) different models & makes.
I've also had a few days each with the Palm Pre and Motorola Droid - neither compare to the iPhone 4.
The screen on the new iPhone 4 (also known as the iPhone HD) has to be seen to be believed. One hing that not many people are saying about the iPhone is that the screen seems to be a part of the glass not slightly recessed behind a piece of glass.
Besides the screen that's been compared to a high end laser printer for text, the new iPhone has a new button arrangement that are easier to press and understand their functionality.
The iPhone 4 also has a new antenna that delivers almost twice the performance for cell signal, bluetooth, and wifi. The casing IS the antenna!
The wifi signal has been boosted from 802.11g to 802.11n - greatly extending the range, security, and bandwidth of the signal.
The new camera on the iPhone 4 bumps up from the 2 megapixel on the original iPhone and bumps up from the 3 megapixel on the iPhone 3Gs. (Original and 3G shared the same camera & processor)
I had an original Apple Quicktake camera and it was amazing even though it was below a megapixel - when Apple discontinued cameras in 1998 I longed for the day when they would again create a camera using their expertise. With the iPhone that happened - with the iPhone 4 the perfect camera now exists! A camera that can instantly share a picture or video on the internet, thru email, or save for later. A camera that has ON device editing - even through Photoshop using the Adobe Photoshop app.
The iPhone 4 also adds a front facing camera which allows you to video conference with other iPhone 4 users.
The iPhone 4 also brings a new operating system (to all iPhones) and multiple application use (multitasking) to the 3GS and iPad, and iPhone 4.
The iPhone 4 uses GSM - an international standard technology for cellphones.
Verizon & Sprint use CDMA (& variants) - this technology is found in very few places widespread outside the USA & Europe.
While the iPhone 4 also has better GPS functionality - the Google maps app is decent but not the best - but the best app for GPS certainly got better with the better antenna and the new accelerometer/gyroscope in the iPhone 4 - try Navigon - it ROCKS!
Because an iPhone uses standard iPod sync & charge cables, accessories are easy to find.
Battery life is very good & improved from the previous generations of iPhones; even when utilizing power draining features like Wifi & Bluetooth.
I can actually use the calculator on an iPhone, unlike on other cell phones where you have to figure out corresponding keys.
I have a lot of music nearly 2000 songs and a GPS app that takes up almost a gigabyte, plus nearly 1000 pictures on my iPhone and the 16GB model is perfect for me - leaving me with 4 gigs of space left.
Get this "unlocked" version if you need your phone on a different network other than a network like AT&T in the US that is subsidizing your phone purchase.
I now have zero complaints about the iPhone 4. My complaints are relegated to AT&T!
The iphone 4 hands down has the best resolution display of any phone currently available on the market. Apart from this the ease of dealing with this device after opening the box is a definite plus. Also because of the popularity accessories and apps are readily available to download.
1) Easily syncs with outlook mail and other mail services
2) Retina display is very smooth and sharp
3) Touch screen is highly responsive
4) Screen orientation can be locked and apart from this has also a gyro and accelerometer
5) Smooth internet browser. The Dual camera is great for video chat
6) Mobileme helps locate your phone if lost or stolen
7) Hands free function was excellent on 3GS and is equally good on the 4. Many don't use it or are not aware of it. Keep the menu button pressed and you go to voice control. Just say "dial *name of person or est.* mobile or phone". Also the same control can be used for playing a music album which is great. If your accent is very thick you might have trouble though so keep it simple slow and clear.
Apple as usual goes out of its way to keep you locked in to them and their hardware is not future proof which means buy it today and by tomorrow its obsolete.
1) Does not have a SD card slot so memory is fixed
2) No HDMI slot so can't fix to HDTV, however can be connected to TV through component cables.
3) The phone is locked down and thus limited to Apple itunes and its carrier.
4) Following 3GS you would think that they would bring this out as 4G but it is only a 3G phone.
5) Video chat (Face time as dubbed by Apple) is limited to WiFi only and not carrier internet service (lame if you ask me). Though probably the carrier cant handle the load anyway.
6) Biggest drawback is not Flash compatible and though many sites don't necessarily use flash, most of the popular sites and news services do. This in my books limits much of the internet surfing experiences.
Conclusion: If this is your first phone you will undoubtedly fall in love with it. If your upgrading from the iphone 3GS then don't bother because functionality and user experience is the same. The only useful differentiating fact is the LED flash that comes with the iphone 4 which really helps when taking pictures in a night club. If your a tech geek you will find the phone though capable of so much more to be restrictive and will invariably Jail break it or try and unlock it some other way. Though I would suggest going for the new better Motorola Atrix. If your a businessman then this phone is perfect as it does virtually everything from push mail alert, checking on stocks, banking, powerpoint editing, word documents editing (though you have to buy the app. for $7 worth it i.e. Documents to go).