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1 <?xml version="1.0" encoding="utf-8"?> |
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2 <!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. --> |
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3 <!-- This component and the accompanying materials are made available under the terms of the License |
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4 "Eclipse Public License v1.0" which accompanies this distribution, |
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5 and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". --> |
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6 <!-- Initial Contributors: |
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7 Nokia Corporation - initial contribution. |
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8 Contributors: |
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9 --> |
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10 <!DOCTYPE concept |
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11 PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"> |
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12 <concept id="GUID-9DCD2076-0F73-5BB7-85BF-580567E0AB53" xml:lang="en"><title>Package Upgrades</title><prolog><metadata><keywords/></metadata></prolog><conbody> |
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13 <p>Package Upgrade is the replacement of a package with its newer version |
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14 to enhance functionalities or fix software defects.</p> |
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15 <p>Package upgrades are based on the following two scenarios:</p> |
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16 <ul> |
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17 <li id="GUID-8A64D17D-9C9B-55E7-9744-027139BF992E"><p>Packages that are installed |
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18 on the data drive or the RAM drive can be upgraded directly by installing |
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19 a SIS file of type <codeph>SA</codeph>, <codeph>SP</codeph> or <codeph>PU</codeph>.</p> </li> |
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20 <li id="GUID-D334752D-12BF-56A4-B7F1-5C8C01E3B030"><p> Packages that are installed |
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21 on the ROM drive can be upgraded only by means of <xref href="GUID-F8A26275-883A-5299-9C37-9DDCC2F62108.dita">eclipsing</xref>. |
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22 For details on how to upgrade package files on ROM, see <xref href="GUID-7F65B69A-6AC1-509C-91E8-9E49ED0BFEC0.dita">Upgrading |
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23 OS Components</xref>.</p> </li> |
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24 </ul> |
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25 <p>Orphan files that are not installed by an installation package can be overwritten |
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26 only if the device creator has enabled the corresponding option (<codeph>AllowOrphanedOverwrite</codeph>) |
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27 in the installation policy file. </p> |
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28 <p>For information, see <xref href="GUID-F8C2E97C-35EC-5437-BC6B-E2A622D2DC4D.dita">Secure Software Install Reference</xref>.</p> |
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29 <p>The following sections provide details |
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30 on upgrade types and how these types are used in system upgrade and preinstalled |
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31 package upgrades:</p> |
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32 </conbody></concept> |