Sony Ericsson K750i

Tips, info, trouble & solutions

Firmware: The first trouble I encountered with this k750i was that when transfering files from PC to phone some files disappeared. I thought that it was my memory stick but after searching the web I realised more people had this problem and that the solution was to upgrade the firmware to R1AA008(Latest k750i firmware is R1DB001).

Sony Ericsson k750i/w800 firmware overview

If you want to check what firmware you have on your phone just press >*<<*<*. Where < and > represents pushing the joystick left and right.

Sony Ericsson Update Service

Your firmware can be updated through the Sony Ericsson Update Service II (SEUS II). In order to use SEUS you will need to have internet access (preferably Broadband) and attach your phone to your PC via the supplied USB cable.

Note that the required firmware update drivers are present in the following directory after installing SEUS:
C:\Program Files\Sony Ericsson\Update Service\drivers

If you run into problems, you may wish to download and install Sun's Java Runtime Environment separately.

If the firmware update fails part way through, retry the SEUS. If the update consistently fails you will need to perform a Master Reset on your phone. It is likely that you will be required to perform a Reset All - a settings reset is unlikely to do the job. It is recommended to use a tool such as MyPhoneExplorer to create a backup of the data on your phone before performing a Master Reset. Note that you will still lose any games, themes or ringtones present in your phone's memory.


If you have not yet done so, installing the following drivers will allow your PC to access the media on your phone over the supplied USB cable:

Sony Ericsson D750/K750 USB drivers (K750 only)
Sony Ericsson W800 USB drivers (W800 only)

Follow the driver installation instructions carefully.

Digital Rights Management

Vodafone users should download Sony Ericsson's DRM packager to assign Digital Rights to their MP3s for use on the K750i.

Technical users may also use the FAR Plugin to modify their Customize.xml file and remove DRM checking from their ringtones. This can be done by changing the enable-ringtoneplayer-mp3 and enable-ringtoneplayer-aac entries to 'true'.

FAR Manager

A plugin for the FAR file manager has been written to give access to the file system of your phone through a standard DCU-60 cable or via a COM port (e.g. Cruiser cable). This plugin allows you to modify the behaviour of your firmware in a number of ways, including the following:
- Remove the SMS storage limit for your phone
- Remove the camera shutter sound
- Remove the DRM limitations found on Vodafone ringtones.
- Add certificates to your phone
- Change / remove default sounds and Java applications on your phone.
- Change the main menu appearance and functionality.
- Finalise a phone after a firmware update by a third party tool.
- Adjust the Photo and Video quality settings of the Camera driver.

FAR Manager
FAR plugin for internal file system access using DCU-60
Things you can do to your phone with the FAR Manager

K750i Software

Applications for k750i

SSH Client: Application I find most useful to have on this phone must be MidpSSH. It's a Secure Shell java client that enables me to login to my FreeBSD shell and run commands when I have no computer around. Official MidpSSH website is located here.

Web Browser: The standard browser in k750i is not as good as it should be, luckly Opera Mini is developing and is now a much better choice for browsing the web on k750i. Official Opera Mini site

TV Guide: AirTimes is a tv-guide program that can get about 50 channels from Official AirTimes website is located here.

Chat: X-messenger(Official) supports MSN Messenger, Yahoo Messenger, AIM, ICQ and QQ. jmIrc is a nice IRC client. Jimm good ICQ client.

Remote Control: HID Configuration Editor(Official). Would you like to be able to control your keyboard or mouse input to your computer remote with your Sony Ericsson phone? Then try this application.

Free k750i themes

Here is a collection of mostly animated themes for k750i. k750i_theme.tar.gz

K750i themes creator

If you want to create your own k750i themes you can download:
Creator 2.42. (Theme creator readme)

Download free mp3 ringtones

Download some of my favorite ringtones for free and put them in your mobile phone. I'v cut out what I think is the best parts of the songs to make it more acceptable to use as a ringtone.
1: Alliance - Bells of heaven
2: Apoptygma Berzerk - Kathys Song
3: Bart Claesson - Playmo
4: Orbital - Halcyon

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Buy your Sony Ericsson K750i here

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Sony Ericsson K750i