Troubleshoot common issues on your Z400 by Samsung

Last Updated: Sep 25, 2015

Performing the following steps can help you resolve some of the more common device issues that you may experience on your Z400 by Samsung®:

  • Check and update device software
  • Update the device data profile
  • Power cycle your device
  • Check functionality of applications (Smartphones/PDAs)

Find and update your device software

Just like a computer, the software on your phone needs to be updated periodically to make sure you have all the latest fixes and enhancements to keep it running at optimal performance. Check your current version and perform any needed software updates.

Update the device data profile

If you are experiencing any data issues, we recommend performing a data profile update. This will refresh your data service parameters such as username and password and help clear out any memory issues that might be affecting the device.

To update your profile:

  1. From the standby screen, press Menu/Ok
  2. Select Settings, and press Menu/Ok
  3. Select More, and press Menu/Ok
  4. Select Data, and press Menu/Ok
  5. Select Update Data Profile, and press Menu/Ok
  6. While the programming is in progress, the following message will display Updating Vision Profile, Please wait. Press End to cancel.
  7. You may have to turn your phone off and back on again once the programming is complete to clear any errors

Power cycling

By power cycling your phone, you will be able to re-register your phone with the network, which may correct slow down issues, data connection issues, and other problems.

To power cycle your phone:

  1. Turn off your phone
  2. Remove the battery
  3. Reinstall your battery
  4. Turn your phone on


Not applicable for the Z400.

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