The phone also gained simple file manager, with its help you can sort files into various folders, create directories in the phone's memory and store files in them. Using internal memory for file storage is impossible; the phone declined storing files with unknown extensions. But if you rename the file (its extension) it will be easily stored in the phone's memory. Meanwhile when we tried to view it, it lead to error; however the phone did not freeze and continued working. In future you will be able to send files via IrDA and Bluetooth in near future. Basically we face the fact that the phone can be used as file storage for very important files.







Player. The phone has built-in mp3 file player, as well as 3GP, mpeg4. The player is actually a nice tool for listening to mp3 files. Equalizer setup is present among the other settings (Bass, Voice, Tremble etc), as well as the ability of creating your own settings. Depending on these settings the sound will actually change, this is noticeable. The presence of a memory card turns the K750 into a fully-functional mp3 player with good quality.

The camera settings look the following way:

Productivity. We used JBenchmark to measure the device's productivity, and its supporting 3D Java allowed launching a corresponding test.

It gave the following results:

JBenchmark 3D
HQ 75
LQ 129
Triangles ps 17583
KTexels ps 819
3.0.2 version
176x220

M3G Version 1.0
Antialiasing false
True color false
Dithering false
Mipmapping true
Perspective correction true
Local camera lighting false
Max lights 8
Max viewport dimensions 1024
Max texture dimensions 256
Max Sprite Crop Dimensions 1024
Max Transforms Per Vertex 3
Number of Texture Units 2
Other properties
Color Screen true
Number of colors 65536
Transparency (alpha level) 256
Double buffer true
Total memory 524284
Free memory 436256

Comparing the results with Sony Ericsson Z800, K600 we see the K750 a bit loosing. Tests of the renewed version of the software showed the results are similar; the HQ parameter grew up to 92 points. As for me, the resulting operating speed will be comparable with Sony Ericsson K600, no any great increase.

This rather low score is caused by a relatively "row" 3D Java in the model, the company integrated the standard to compete with other manufacturers. The main emphasis of the model is put on Mascot Capsule Engine providing high operating speed and being less resource demanding. Unfortunately, we failed in finding games for 3D Java similar to the preinstalled ones, but subjectively, Mascot Capsule's productivity is much higher.

The second version of the test package gave the following results:

Jbenchmark 2Image manipulation TextSprites3d TransformUser Interface
The results of the previous devices were high, and here it is almost the maximum of all the phones on the market. The model looses only to Linux solutions and some smartphones. Just to compare, Nokia 6630 showed the score of 246 points and that is much less.

The first version of the package showed also the productivity growth as compared with the previous models, including the K600:

JBenchmark 1Text2D Shapes3D ShapesFill RateAnimation
The productivity is also very high and close to the maximum. Indeed, as for the Java virtual machine speed the phone is one of the strongest in its class, even comparable with smartphones.

The 40-tones polyphony provides with a sound of the Sony Ericsson K700 level or even lower, that also concerns preinstalled midi melodies. The loudspeaker volume has no reserve when on the maximum. It is frequently missed if using not mp3 melody as a call signal. The loudspeaker volume is a weakness of the phone, you should listen to it before buying to determine whether it is enough for you or not. The power of a vibrating alert is average, no peculiarities.

A photo of the caller and the number alternated with the name or a number type icon are shown at the incoming call.







This company leader is more then an interesting offer by Sony Ericsson, but also the strongest model in this class on the market. At least for half a year this model will dominate on the market, other manufacturers will have to attain to its level, determine their price policy from the fact of the Sony Ericsson K750i's existence. Samsung D600 and Nokia 6230i are the main rivals, or more precisely, the models compared with the K750 even today. As for Samsung's product, the functionality is comparable, but the point is another form-factor. In general, they may be put on the same level, since the models are much alike, though Samsung looses in camera possibilities. Nokia 6230i belongs to a lower class with a worse screen, camera and mp3 player. In general the device is evidently intended for another market segment, and only EDGE may be mentioned of possible advantages. The delay of Nokia 6230i's launch won't allow the model to prevail over the Sony Ericsson solution; they should be expected on the market at the same time.



Small body size, a complete set of entertainment possibilities (radio, mp3, 3D Java) and good interface should be mentioned as the K750i's strengths. The model will certainly become a bestseller like Sony Ericsson's T610. Other manufacturers won't manage to integrate a functionally similar camera into a small device in a comparable time period. Nokia propagates using smartphone base for camera implementation, and that prevents them from creating a device of the Sony Ericsson K750i's level today. Nokia's copy of the device may be launched in the end of the year, but it will provide the same functionality for a higher price. In general there is no phone alternative to the Sony Ericsson K750i in a class of functional compact devices today. The model is of maximum saturated functionally; only smartphones may compete with it. Reasoning form the different form-factors of these devices, we can't speak about a straight competitor. Every user can choose a phone to their liking and, above all, to their hand. But similar cameras will remain a rarity even in smartphones till the end of the year.

The appearance of the model is expected at the end of May; primary saturation will come only in the middle of August, and the price will fall then. The first price may form about 500 Euro reasoning from the absence of rivals and high interest to the new device. The price reserve is the maximum today, if the company wanted to, it could offer the device for only 290 Euro in retail networks, but there is no necessity. The price correction is also caused by the appearance of a musical version of the K750 under the brand of Walkman called the W800 in September. The differences concern design, integration (the W800 has a 512 MB card in a kit, software for fast writing of CDs to a card), and the possibility to work with a radio block off (mp3 player mode). The price of W800 will form about 650-700 Euro for the launch moment. This is a good offer for a certain user group, and the device is not positioned for the masses. At the same time, the K750 has the maximum life circle and will be interesting for a long time (at least for 2 years).

Possible shortcomings of commercial examples

There is no commercial software for the model at the moment. There are some mistakes in preliminary versions. We’d like to describe them in a separate paragraph, the majority are to be corrected by the start of the sales.

When assigning a photo to a contact in the phone book, you should remember the device doesn't transform the file into a smaller one. That was not relevant for low-resolution cameras but here a photo may take about 500-600 KB. And correspondingly, an empty window is shown at the call, since the photo has no time to upload completely and is shown jerkily. You also won't be able to scroll a list when editing the entry with a large photo, since showing and loading the picture is slow. The remedy is simple - use the lowest possible resolution when shooting portraits for the phone book or edit them on PC.

When working in camera mode (viewfinder shows the surroundings), the incoming call shows artifacts and lines appear. Screen orientation changes though the name and the number of a caller are displayed. The mistake will evidently be corrected by the beginning of the sales.

Shutter works incorrectly sometimes. Opening the shutter in the standby mode leads to switching from the screen saver mode but not to activating the camera. Only the second opening activates the camera.

In general, the software is stable and rouses no problems, even today with only a month and a half until the start of sales. The model is well balanced. It has no serious disadvantages in software that would be noticeable when using the device for long.

What next?

In the very beginning of the review we reminded of the pair models T68/T68i, T610/T630. A paired device for Sony Ericsson K750 was announced at the beginning and that is the W800. But it won't be the end of the development, and the model will be equipped the only absent function - UMTS. At last, a fully functional voice recognition system not depending on the accent might be implemented in the device. Labels will become unnecessary; menu items will be called and switched fast. The launch time is unclear and everything will depend on the current K750's sales. Considering their popularity, the renewal may be expected not earlier than in the autumn 2006. The presence of a 3 MP camera or even a bit better is mentioned in the preliminary specs. But the emphasis will be put on some other original but still not announced functions. Thus, the K750 successor will be interesting and, above all, compact.

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