October 4th, the day of launch of the iPhone 4S, rivers of ink with the most conflicting opinions. The main reason is that many analysts and industry experts expect a completely new iPhone, at least for the appearance, the newly launched model appeared to be more of the same. In fact Apple shares on the Nasdaq hit a sharp downturn , which at the time of writing have recovered slightly. Is what happens when you create too many expectations for a product . In this case, the rumor mill has brought us all sorts of news, since we would have a 5 “screen, until the center button would disappear or that the design would be even thinner.
No But not have to stay on the surface . On October 28 was la unched in our country, 4S, and since that day we had the opportunity to have one in hand to begin to express their full potential. The reality is that the 4S hides much more than they at first have believed to see analysts and investors . The iPhone 4S is an evolution in some ways, but something totally new others , and it relies intensively on iOS 5, the latest mobile operating system from Apple. First things first, and understand better. 
External appearance
Physically, nothing changes except for some tiny detail, like the silence button is placed lower down than before. The reason is that the 4S now has two separate antennas that the terminal uses a dynamic to improve the reception of voice and data, thus improving the quality of liaison with the telephone repeater now supports HSDPA with up to 14.4 Mbps download . This makes the metal part of the edge that we had on the iPhone 4 is now divided differently, pushing the switch a few millimeters. Barring that, have to be a true lynx to differentiate a 4S of 4 the eye , for even indicated the trade name of the model (if the internal reference Apple).
The good thing is that, except as mentioned cases that do not fit at all with the mute switch, the rest of accessories developed for the previous model will fit like a glove with the new .
Siri, a new way to interact with the phone
On the other side of the coin we have the most significant development by Apple: Siri. It’s really not a simple function. is a new way of understanding the interaction with our phones and why not, in the future with other gadgets such as tablets or desktops.
With Siri can speak more or less natural to the terminal and wait for us to answer and act on it . Thus, if we know the weather can ask things like “I need umbrella today?” Or “what temperature will this afternoon?” And even “I could tell the time in London next week “. The idea is to use predefined voice commands, as we have seen in the past. It is natural to express yourself, and that the terminal understand your question about the kind of words that leads and are associated with each other, put it in context and generate an appropriate response. In this case, the context would be the position of the GPS, which indicate that, for example, we are in Madrid.
However, the example of the time is just one of many. We request that we write a message to your wife or boss, we record a reminder of the style “remind me to call my mother to come home.” Siri all rests on a phone contact, ours, which sho uld add the appropriate background information . Here we show that contact in your wife, boss, mother, our home address, etc.. Furthermore, the cloud used to add a new angle of context, learning from other users’ questions, drawing on new terms or names, and ultimately, evolve over time .We’ve tested and WIN the results are simply spectacular . In fact, we were impressed by the concept Siri conversational, as to matters not understand, can not run or do not have enough data, it simply returns us an intelligent answer that we must answer in order to achieve our goal . The problem is that today , Siri is only available in beta for English (U.S., UK and Australia), French and German . It is a pure question of market volume, so that language Spanish have to wait to be launched during 2012 (Apple has not confirmed the exact month). Meanwhile we can play with him in English, but need a good pronunciation. Of course, given the option also have available to write texts without using the keyboard utulizarla we can hardly reach for now, it does not recognize the words of our language and vocabulary.
In any case, what we have seen is the start of something big . Examples of time, send emails, take notes or record memos right. However, the idea is to go beyond Siri Apps can interact with the terminal as soon as the developers want to start use it . This could occur if not to much time we could ask our iPhone browser 4S (TomTom, Navigon, etc..) Take us to a certain direction without looking up from the wheel. Or ask the address of the nearest gas station or the best Japanese restaurant in the area., All supported on services such as Yellow Pages or 11 870 (to give two examples either). In short, a real revolution that can only be found today in a 4S iPhone among other things, the enormous processing power required, which is even beyond the scope of previous iPhone 4.
hardware enhancements
And is that one of the most notable changes focuses on the integration of new chip A5 dual-core . The CPU includes three parts, one specifically dedicated to image processing and video. This, in addition to improved execution speed of existing apps (Apple promises to double the processing speed) has been achieved speed image capture with the camera: just over 1 second for the first image and a half seconds for the following . This helps the new shortcut button on the camera that shows the lock screen and the ability to take screenshots by pressing the volume button on the terminal.
In addition, the new camera has with five lenses, infrared filter 8 MPx sensor to capture images and videos in Full HD 1080p. The result is images that have substantially improved over the previous model, which themselves were pretty good. In addition, IOS 5 has correction tools (image enhancement, red eye removal, c utting, etc..) Face Recognition and WIN to improve the focus of the catch. Even the video section has improved beyond the resolution. Based on the accelerometer, real-time processor analyzes the video frames, d etecta excessive movements and attempts to stabilize the image in digital . The results are a luxury when you consider that we have in hand a Smartphone, not a camera. Finally, all these improvements have been introduced without excessively penalizing the battery . Official figures even talk about 8 hrs talk time (one more than before), and according to our tests in conventional usage figures are practically the same as with the iPhone 4 and better than a 3G/3GS . 
Conclusions
All other developments can be found in the iPhone 4S as icloud, IMessage, the center of notifications, reminders or integration with Twitter to name a few are really a matter of iOS 5. And there are features that the current owners of an iPhone 3G or 4 can enjoy for free.
What is important is to mention that, as the previous model, we can find free versions directly from Apple 16 GB (599 euros ), 32 GB (699 euros ) and WIN 64 Gb (799 euros ), all in white or black . For their part, Movistar and Vodafone and Orange already provides links to stay for contract customers with the possibility even get it for free hiring the most expensive rate possible. Finally, to the question of whether it is worth the upgrade , the answer is clear: if you have a 3G/3GS move to a 4S is a quantum leap important at all levels, but mainly by the increase in benefits over the iPhone is older. If we have an iPhone 4 , except that the image quality is a priority for us not worth the change. It is faster and supports faster network, but as it operates on 4, is probably not reasonable to pay the amount of money it costs the new model. Other cock will crow when Siri will be available for Spain. From that moment, if it works as well as in English, only the layer interaction provided will be worth the outlay we have the model . Everything indicates that Siri is one of those technologies that once evolve, we know we know and take advantage, will integrate it into our day to day until the point where it became necessary. And in this case realize the 4S was not a simple evolution. It was the beginning of a new way to communicate with the handheld computer that is any modern Smartphone .
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