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iPhone 4: writing test

iPhone 4 BiP 10

The drafting of Belgium-iPhone, having obtained a copy of the new iPhone from the first day of its marketing in France, is finally able to be able to give you its personal feeling about the new machine. Rather than offering you a complete test in detail, which has already been offered many times, in particular by our American colleagues, our writing wanted to go straight to the heart of the matter among the new features brought in this new version.


The new iPhone has a completely redesigned design. It is less thick: 9.3 mm against 12.3 mm for the iPhone 3GS, the difference is not so standard but it feels directly the first time you place the new device in your pocket. This feeling can also be accentuated by the fact that the back cover – entirely coated with ultra-resistant glass – is flat in shape unlike the iPhone 3GS which has a plastic bombed back cover. Big change also, this time it concerns the outline of the device completely coated with steel and also serving as an antenna through a new system ingenious unveiled by the C.E.O of the Cupertino firm Steve Jobs at its last press conference. This new contour also has new buttons allowing the volume to be adjusted, to silence the ringer, to switch on / off or to put the machine to sleep and also the 3.5 mm jack connector located in the same place as in the previous model. . Some changes, however, the SIM drawer is moved to the right side of the device and is only compatible with micro-SIM type cards. A new microphone appears just next to the 3.5 mm jack connector. It will allow the new iPhone to optimize conversations by reducing outside noise during your classic or FaceTime calls (we will come back to this below). On the rear hull, an LED flash also appears. In conclusion, the Cupertino company answered the call of many users who wanted to see an aesthetic change on this new generation of iPhone. As a reminder, the iPhone 3GS had fully retained the design of the iPhone 3G which had introduced in July 2008. In the world of phones and smartphones, the user is fond of this kind of change, unlike laptops such as MacBook and MacBook Pro.

The screen retina.

IPhone 4 has a brand new screen LCD Retina IPS with a resolution of 960 x 640 pixels compared to 480 x 320 pixels for previous iPhone models. This is a change in size and you will see it the first time the machine is turned on. Thanks to this new technology, it has become almost impossible to distinguish the pixels of an icon or a photo. The result is much sharper photos and the ability to use apps while enjoying drastically optimized viewing comfort! Give it a try when you go to try your iPhone 4 for the first time and launch for example the SMS application, you will find that the text entered is much smoother than before. To perhaps better realize this, then go back to your old one and note these famous pixels which are rather visible without looking too closely at the screen of your machine. The new retina notch provides considerable comfort and could almost alone justify a upgrade to the new iPhone.

The processor and RAM.

The new iPhone comes with the new Apple A4 processor that can be found in the iPad, but which is not supported in the same way. Even if the latter has a speed of 1Ghz (against 600Mhz for the iPhone 3GS), it does not render as fast as on the iPad although the difference in difference is not very thick. Thanks to the 512Mb of RAM available to the iPhone 4 (compared to 256 for the iPhone 3GS), the feeling of speed when opening applications and surfing through Safari is obvious. An iPhone 3G user finally finds the same feeling experienced during his passage on an iPhone 3GS or even better. Some applications that used to take a long time to load during launch, such as Facebook or applications linked to the world of the press, are now launched and loaded almost instantly. Additional comfort and above all a saving of time when browsing your iPhone.

The 5 mgapixel camera with HD video recording.

If there is one feature that is strongly evolving with the arrival of this new iPhone, it is the new 5 mgapixel camera on board (against 3 mgapixels in the iPhone 3GS). Although the iOS 4 already captures photos much faster, the new iPhone is capable of taking much better quality photos, so much so that one might wonder if there is still a need to lug a classic digital camera. Although at present, 5 mgapixels do not yet match the number of mgapixels embedded in type cameras Rflex, the device in the new iPhone is more than enough if you plan to use it as a real digital camera. However, even if iOS 4 allows you to use a digital zoom, the results obtained with it are not "famous" and we could clearly have done without this feature. On the other hand, the integration of an LED flash is beneficial and allows to obtain successful photos in the dark – the condition of not being too far from the object photographed -.

Some examples :

iPhone 4 BiP 17

iPhone 4 BiP 18

iPhone 4 BiP 19

Demonstration of LED Flash functionality:

iPhone 4 BiP 14

iPhone 4 BiP 13

iPhone 4 BiP 15

iPhone 4 BiP 16

The video recording is also changing. Videos can now be recorded in high definition with a resolution of 720p (1280 x 720 pixels) at a rate of 30 frames per second. The result is rather impressive, judge rather:


The famous ?One more thing? of Steve Jobs present at its last press conference. So this is video conferencing functionality on a mobile phone review by the Cupertino company and the word is weak? Given that the new iPhone has a front camera (functionality highly claimed since the introduction of the iPhone V1), Apple wanted to integrate the video conferencing functionality but not in half measure? Name FaceTime, the latter is launched via the contact card of your correspondent as long as you have activated this feature in the setting part of the phone. FaceTime works initially via Wi-Fi (so you and your correspondent must be on Wi-Fi network during the call) and is only compatible between two iPhone 4. The principle is very easy to use, you click on FaceTime in the contact card of your correspondent, the call is initiated and your correspondent then receives an invitation FaceTime. You just have to wait for the other party to accept or reject your call. During the conversation, you will be able to see a perfect fluidity of image and better still, your correspondent will be able to swap with the camera placed on the back cover of the iPhone to show you another point of view. Free or paid? You will only be charged for the cost of an international text message when you call for the first time your correspondent in this way (see this article). Subsequently, since your iPhone and its identifiers will have been stored on Apple's servers – as a bribe – (to initiate calls), it will be completely free! At the press conference showcasing this new feature, the Apple CEO promised that FaceTime can be used over a 3G network next year, as long as operators allow bandwidth to go hand in hand with performance required for this kind of functionality.


The battery of the new iPhone has also been revised in order to adapt in particular to the new processor mentioned above. The latter being more energy efficient than its predecessor sound, Apple had to think about offering a new battery going hand in hand with the performance of the new machine. In theory, the new battery has better autonomy:

– 7 hours in 3G conversation. – 6 hours of Internet in 3G, 10 hours in Wi-Fi. – 10 hours in video playback. – 40 hours in music. – 300 hours in standby.

In practice, it is clear that the new iPhone discharges significantly slower. In heavy use, just allow half a day of extra use if you dye your iPhone at night. In occasional use, you can eventually reach up to three days of use!

The policy of the antenna.

During almost three weeks of intensive testing, we were never hampered by the reception concerns that the iPhone 4 would undergo. During our first tests, we even found that this new iPhone even captured significantly better than its old model. . According to Apple's recent statements regarding the GSM signal reception bars, we therefore clearly cannot give a precise opinion at present and prefer to wait for a future update to come back to this point. In the meantime, our writing uses the iPhone 4 intensively and we have never been bothered by this concern and we do not use a bumper.


Three years after its first model, the iPhone evolves according to the requirements of its users. In view of the new on-board functionalities – through technical hardware but also software (iOS 4) – it is undeniable to be able to note that the device is becoming more and more successful to the delight of its users. We will appreciate the fact that the engineers of the Cupertino firm have worked hard to fill some gaps, even the most basic ones. Apple certainly could have filled these shortages earlier but perhaps not so well rethought.


– The new design. – Apple A4 + 512MB processor from Ram – FaceTime – Camera incorporating HD camera and LED Flash. – Battery life has increased.

The lessers.

– The glass face seems more fragile. One wonders how it will evolve. – The rear hull results in less feeling the machine vibrate in the pocket. France)

React on the forum.

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