- BlackBerry® Enterprise Server version 4.1 SP3 and later
- BlackBerry® Device Software version 18.104.22.1684 to 22.214.171.1245 (excluding version 126.96.36.1997) and 4.2 and later
As a result of the cancellation of Daylight Saving Time in Argentina this update has been replaced by KB19980.
The 2009 Daylight Saving Time (DST) update includes all of the previous time zone changes that have been released for BlackBerry smartphones as well as the following updated time zone and DST dates:
|Country||Time Zone||DST Start||DST End|
|Chile||Santiago (GMT -4)||October 10, 2009||March 13, 2010|
|Argentina||Buenos Aires (GMT -3)||October 17, 2009||March 20, 2010|
|Uruguay||Montevideo (GMT -3)||October 4, 2009||March 14, 2010|
|Brazil||Brasilia (GMT -3)||October 17, 2009||February 20, 2010|
|Brazil||Manaus (GMT -4)||October 17, 2009||February 20, 2010|
|Australia||Perth (GMT +8)||DST is being removed||DST is being removed|
|Egypt*||Cairo (GMT +2)||April 24, 2009||August 20, 2009|
*Note: The change for Egypt will also include a start date of April 30, 2010
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