Specifications 
The specifications of the phone, its features etc are well documented on the Sony Ericsson web site. What's here however is my own additional information on the camera, organiser, radio, file manager, connectivity, languages and some notes/comments.
Camera Settings/facilities - Still
| Shoot Modes |
Normal |
Panorama |
Frames |
Burst |
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| Picture Size |
Large 1632 x 1224 |
Medium 640 x 480 |
Small 160 x 120 |
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| Macro Facility |
On/Off |
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| Night Mode |
On/Off |
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| Light |
Turn light On/Off |
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| Self Timer |
10 Seconds |
(Must activated each time) |
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| Image Effects |
Black & White |
Sepia |
Negative |
Solarize |
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| White Balance |
Auto |
Daylight |
Cloudy |
Fluorescent |
Incandescent |
| Picture Quality |
Normal |
Fine |
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| Date and Time |
On/Off |
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| Reset File Number |
Pics taken reset to 0 |
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| Save To |
Memory Stick |
Phone |
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Camera Settings/facilities - Video
| Shoot Mode |
Pic messages (11 sec) |
High Quality (unlimited) |
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| Video Size |
Large 176 x 144 |
Small 128 x 96 |
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| Macro Facility |
On/Off |
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| Night Mode |
On/Off |
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| Light |
Turn light On/Off |
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| Image Effects |
Black & White |
Sepia |
Negative |
Solarize |
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| White Balance |
Auto |
Daylight |
Cloudy |
Fluorescent |
Incandescent |
| Save To |
Memory Stick |
Phone |
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Exposure Compensation for Stills and Video: -2.0, -1.7, -1.3, -1, -0.7, -0.3, +0.0 (Normal) +0.3, +0.7, +1, +1.3, +1.7, +2
Organiser Functions
| Alarms |
Alarms |
Recurrent |
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| Applications |
Run apps that have been downloaded |
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| Calendar |
Month view (Default) |
Week view |
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| Tasks |
Calls you need to make |
Tasks to do |
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| Notes |
Notes can be displayed on standby screen |
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| Synchronisation |
Contacts, appointments, tasks, notes |
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| Timer |
Count down |
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| Stop Watch |
Max 9 Laps |
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| Light |
Turn light On/Off |
On for 1 min |
SOS (flashes ... --- ...) |
| Calculator |
Non scientific |
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| Code Memo |
Max 10 entries |
Password protected |
Store PINs etc |
Radio Functions
| Minimise |
Minimises Radio (plays in background) |
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| Save |
Save up to 20 frequencies |
| Channels |
Save up to 20 channels |
| Turn on speaker |
Turns speaker On/Off |
| Auto save |
Automatically search & store channels |
| Set Frequency |
Manually enter frequencies |
| RDS |
Turn On/Off AF |
Hide station info |
| Turn on Mono/Stereo |
Selects between mono and stereo |
File Manager
| Pictures |
Images can be viewed 4 thumbnails or 9 thumbnails per screen |
| (General) |
All files can be sorted by Date, Filename or File type |
Main Connectivity
| Infrared |
IrDA System |
Short range typically 20 cm |
| Bluetooth |
Range 10m |
Can connect to several devices at once |
| USB |
USB 2 |
Must use supplied cable |
Languages
| Phone Language |
Turkce |
Deutsch |
English |
Francais |
Turkce |
IsiZulu |
Sesotho |
According to SIM |
| Writing Language |
German |
English |
French |
Turkish |
abc |
123 |
Notes / Comments
Camera lens: AF 4.8mm 1:2.8
When using Burst Mode, Frames Mode or Panormama Mode, it only takes pictures at 640 x 480 regardless of picture size settings.
Panorama shoots a max of 3 pics which seems adequate as the final pic is up to 1664 pixels wide.
Display Cell info: Displays the area code you are in: Depends on network. (Common with most phones).
Delivery report (for texts): Depends on network. (Common with most phones).
K700 themes are not compatible with K750i but K700 themes can be converted using Theme Creator v1.8 or above.
Standard Battery that came with phone: Lithium Polymer 3.6V 900mAh BST-37.
What I like about the phone
Images
You can zoom in on an image and then take and save the zoomed in area as a seperate image.
Quality in low light conditions (without night mode or light) is very good. Better than some dig cams.
Can edit pictures, draw over pictures and add frames.
Frame Mode has 28 frames. (A friends identical K750i only has 24 frames for some reason).
You can specify if pictures are to be saved in the phone or on the Memory Stick.
Video
You can capture a video frame and save it as a picture.
Can edit movie clips and add sound.
When viewing movie with Media Player, if interupted with txt/call, movie rewinds a bit and resumes.
You can specify if movie clips are to be saved in the phone or on the Memory Stick.
Length of movie clips (in High quality mode) is unlimited up to capacity of Memory Stick or phone.
Others
Camera can still be used initially even when the keylock is on.
The light function has an SOS facility: flashes ... --- ...
You can record phone calls.
Has a loudspeaker function for calls and the radio.
When entering text (messages, tasks, reminders etc), you can add to own words to phone.
All files have a small icon next to it showing whether its stored in the phone memory or the Memory Stick.
When connected to a PC using USB, the phone appears as a removable drive in My Computer.
When connected to a PC, you can drag and drop files between phone and PC.
Phone can also be used as a USB Flash drive-any file (eg Office files, non phone files etc) can be transported/stored on phone.
Phone can be used as a remote control. PC must support Bluetooth HID Profile.
Software installed with no problems (at least on my XP SP2 machine).
A lot of settings etc have an Info (Help) option.
Has a hidden "Services" mode.
Minor negative points
Burst Mode has a max of 4 shots, 6 would have been better.
Picture quality a bit low on max picture size (1632 x 1224).
Video mode a little chunky on fast moving objects but lot letter than k700.
Phone status does not show Memory stick or its capacity when connected to/charging from the PC.
Like most mobiles, no "grippy" texture to the sides, nearly slipped out of my hands a few times.
and finally.......
The K750i itself is 5.3 grammes heavier if the Phone, the Memory Stick, and the SIM card are all full. 
My K750i came with the following:
Battery.
Wired handsfree (also acts as a radio aerial).
64MB Memory Stick Duo.
Memory Stick Duo adaptor.
Software CD (PC Suite, drivers).
USB Cable.
AC Charger.
Manual.
A cardbox box 
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