Applicable Models

IMPORTANT: This file is only for use with the models identified. Not all models are sold in all countries.

This information is for the following models:

  • PEG-TH55

About this download

Benefits and improvements

This program updates the system software and resolves the issue of degraded wireless network performance that may occur when using certain Wireless Access Points while Power Save Mode is enabled.

System Requirements

Operating Systems

  • Palm OS® Software 5.x

File Info

File Name

  • WIRELESSUPDATEFORTH55.EXE

File Version

  • N/A

File Size

  • 0.18 MB

Release Date

  • 04-12-2004

Before You Start


Important Notes
  • This update application requires that you have approximately 640 KB of available memory in your CLIÉ handheld. Before installing this application, confirm that there is enough memory available.
    To check the available memory in your CLIÉ handheld:
    1. Tap the "Home" icon.
    2. Tap the upper left corner of the screen. A drop-down menu is displayed with options titled Delete, Beam, Category, Info, and Copy.
    3. Tap "Info" from the drop-down menu. The "Info" panel will appear. Please note the first line of text in this display states "Device:"
    4. Tap the down-arrow to the right of "Device:" and select "Handheld."
    5. Tap "Size" at the bottom of the window. The second line of the panel display will show "Free Space:."
    6. Verify the "Free Space" value shown is greater than 640 KB.
      NOTE: If there is not 640 KB of memory available, please delete any unnecessary files or application.
    7. Tap the "Done" button to exit.
  • During the installation of this update, be sure that you are logged in as the Administrator or as a user with Administrative rights.
  • Make sure that Palm™ Desktop for CLIÉ™ software is installed on your PC from the installation CD-ROM supplied with your CLIÉ handheld and that the PC is configured to be able to perform a HotSync® operation.
  • To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.
  • It is highly recommended to print out these instructions as a reference during the installation process.

Download & Install


Download and Installation Instructions
  1. Download the WIRELESSUPDATEFORTH55.EXE file to a temporary or download directory (please note this directory for reference).
  2. Navigate to the directory where to WIRELESSUPDATEFORTH55.EXE was downloaded.
  3. Double-click the WIRELESSUPDATEFORTH55.EXE file to begin the extraction process.
  4. At the "WinZip Self-Extractor - WIRELESSUPDATEFORTH55.EXE" window, click UnZip to install to the default directory listed under "Unzip to folder" or click the Browse button to navigate to the desired directory, click OK and then click UnZip. One file named "wirelessupdateforTH55.prc" will be extracted to the specified directory.
    NOTE: Please make note of this directory for reference.
  5. At the "One file(s) unzipped successfully" message, click OK.
  6. Click Close to exit the "WinZip Self-Extractor - WIRELESSUPDATEFORTH55.EXE" window.
  7. Start the Palm Desktop for CLIÉ software.
  8. Click the "Install" icon. The Install tool wizard starts.
  9. Select the appropriate user name from the user list.
  10. Click "Add."
  11. Navigate to the location where you saved the update file in Step 6.
  12. Select the application file "wirelessupdateforTH55.prc" and click "Open."
  13. Click "Done."
  14. Connect your CLIÉ handheld to the computer via a USB cable.
  15. Perform a HotSync operation.
  16. After the HotSync operation finishes and you are prompted to reset your CLIÉ handheld, tap "Reset."
The installation is complete.

Confirm a Successful Installation
  1. Tap the "Home" icon.
  2. Tap the "CLIE Files" icon in the CLIÉ Launcher panel.
  3. Tap the down-arrow to the right of "Device:" and select "Handheld." The internal files list will appear. Please note the "<>" symbol listed two lines below "Handheld."
  4. Tap the "<>" symbol and then tap "Version" from the drop-down list. The software version for each item is displayed.
  5. Scroll down the list and confirm that the version numbers are as follows:
    - BCMLib 2.11
    - CFEtherNppi 2.51
  6. Tap the "Done" button to exit.
    NOTE: If the version numbers do not match the above list, please download the WIRELESSUPDATEFORTH55.EXE file and install it again

Questions & Answers


Contact Information
If you have difficulty installing the update, contact the Sony Customer Information Center: 1-877-760-SONY (7669).

Additional Information
Please read the following conditions carefully.
  • Please follow the instructions when operating this program.
  • This program is only for the CLIÉ handheld.
  • This program is protected by Copyright. This utility cannot be copied or used for purposes other than Sony intended.
  • Sony is not responsible for any problems caused by using this program.
  • CLIÉ is a registered trademark of Sony Corporation.
  • Palm Desktop, HotSync and Palm are registered trademarks of Palm, Inc. and (or) its subsidiaries.
  • All other trademarks are trademarks of their respective owners.
  • Copyright 2004 Sony Corporation.