You can use IBM Installation Manager to roll back the Web 2.0 and Mobile Toolkit to an earlier version using Installation Manager response files.
During the rollback process, Installation Manager must access files from the earlier version of the package. By default, these files are stored on your computer when you install a package. If you change the default setting or delete the saved files, Installation Manager requires access to the repositories that were used to install the earlier version.
Perform this procedure to use Installation Manager response files to roll back the Web 2.0 and Mobile Toolkit to an earlier version.
<?xml version="1.0" encoding="UTF-8"?>
<agent-input clean='true' temporary='true'>
<server>
<repository location='http://www.ibm.com/software/repositorymanager/com.ibm.websphere.W2MTK.v11'/>
</server>
<profile id='Web 2.0 and Mobile Toolkit V1.1'
installLocation='/QIBM/ProdData/WebSphere/AppServer/Web20Mobile/V11'>
<data key='eclipseLocation' value='/QIBM/ProdData/WebSphere/AppServer/Web20Mobile/V11'/>
<data key='was.install.os400.profile.location' value='/QIBM/UserData/WebSphere/AppServer/Web20Mobile/V11'/>
<data key='user.import.profile' value='false'/>
<data key='cic.selector.nl' value='en'/>
</profile>
<rollback>
<offering profile='Web 2.0 and Mobile Toolkit V1.1' id='com.ibm.websphere.W2MTK.v11' version='1.1.2.20110424_1245'/>
</rollback>
<preference name='com.ibm.cic.common.core.preferences.eclipseCache' value='/QIBM/UserData/InstallationManager/IMShared'/>
<preference name='com.ibm.cic.common.core.preferences.connectTimeout' value='30'/>
<preference name='com.ibm.cic.common.core.preferences.readTimeout' value='30'/>
<preference name='com.ibm.cic.common.core.preferences.downloadAutoRetryCount' value='0'/>
<preference name='offering.service.repositories.areUsed' value='true'/>
<preference name='com.ibm.cic.common.core.preferences.ssl.nonsecureMode' value='false'/>
<preference name='com.ibm.cic.common.core.preferences.http.disablePreemptiveAuthentication' value='false'/>
<preference name='http.ntlm.auth.kind' value='NTLM'/>
<preference name='http.ntlm.auth.enableIntegrated.win32' value='true'/>
<preference name='com.ibm.cic.common.core.preferences.preserveDownloadedArtifacts' value='true'/>
<preference name='com.ibm.cic.common.core.preferences.keepFetchedFiles' value='false'/>
<preference name='PassportAdvantageIsEnabled' value='false'/>
<preference name='com.ibm.cic.common.core.preferences.searchForUpdates' value='false'/>
<preference name='com.ibm.cic.common.core.preferences.import.enabled' value='true'/>
<preference name='com.ibm.cic.agent.ui.displayInternalVersion' value='false'/>
</agent-input>