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<concept id="GUID-CFC21A23-0299-4420-BB60-584D10C8913A" xml:lang="en"><title>Updating the platform UID</title><shortdesc>This topic describes how to update the platform UID.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
<p>When porting applications from S60 5th Edition to Symbian^3, you
can include the Symbian^3 platform UID in your application's <codeph>.pkg</codeph> file and create a new <codeph>.sis</codeph> installation
package using the modified <codeph>.pkg</codeph> file. The platform
UID for Symbian^3 is <codeph>0x20022E6D</codeph>.</p>
<note> If you do not include the Symbian^3 platform UID in your package
file and create a new <codeph>.sis</codeph> installation package,
the user gets a compatibility warning when installing the application.
The warning may result in the user canceling the installation.</note>
<p>To add Symbian^3 UID, include the following line in the <codeph>.pkg</codeph> file of your application:</p>
<codeblock xml:space="preserve">[0x20022E6D], 0, 0, 0, {"Series60ProductID"}</codeblock>
<p>If you have verified that the same binary can be used on multiple
Symbian platform releases, you can include platform UIDs for multiple
Symbian platform releases in your package file as illustrated by the
following example:</p>
<codeblock xml:space="preserve">;Supports S60 3.0
[0x101F7961], 0, 0, 0, {"Series60ProductID"}

;Supports S60 5th Edition
[0x1028315F], 0, 0, 0, {"Series60ProductID"}

;Supports Symbian^3
[0x20022E6D], 0, 0, 0, {"Series60ProductID"}
</codeblock>
</conbody></concept>