| ITOS Version | Maemo | Codename | Release | Release date | Notes
|
| OS2005
| 1.1
| -
| 2.2005.45-1
| November 2005
|
|
| 3.2005.51-13
| December 2005
|
|
| 5.2006.13-7
| April 2006
|
|
| OS2006
| 2.0
| Mistral
| 0.2006.22-21
| May 2006
| Beta release
|
| 1.2006.26-8
| May 2006
|
|
| 2.1
| Scirocco
| 2.2006.39-14
| November 2006
|
|
| 2.2
| Gregale
| 3.2006.49-2
| January 2007
|
|
| OS2007
| 3.0
| Bora
| 2.2006.51-6
| January 2007
|
|
| 3.1
| 3.2007.10-7
| March 2007
|
|
| 3.2
| 4.2007.26-8
| July 2007
|
|
| 4.2007.38-2
| October 2007
| SDHC corruption fix
|
| OS2008
| 4.0
| Chinook
| 1.2007.42-18
| November 2007
| (N810 only)
|
| 1.2007.42-19
| November 2007
| Kernel upgrade only (N810 only)
|
| 1.2007.44-4
| November 2007
| Beta release (N800 only)
|
| 2.2007.50-2
| November 2007
|
|
| 2.2007.51-3
| January 2008
| NOLO upgrade only
|
| 4.1
| Diablo
| 4.2008.23-14
| June 2008
| Adds SSU support
|
| 4.1.1
| 4.2008.30-2
| August 2008
| First SSU update
|
| 4.1.2
| 4.2008.36-5
| September 2008
| Second SSU update
|
| 4.1.3
| 5.2008.43-7
| December 2008
| Third SSU update
|
| Maemo 5
| 5.0 PR1.0
| Fremantle
| 1.2009.42-11
| November 2009
| Bundled community-supported Qt libraries
|
| 5.0 PR1.0.1
| 1.2009.44-1
| January 2010
| OTA-only preparatory update for PR1.1
|
| 5.0 PR1.1
| 2.2009.51-1
| January 2010
| 3UK SIM and MS Exchange 2003 support
|
| 5.0 PR1.1.1
| 3.2010.02-8
| February 2010
|
|
| 5.0 PR1.2
| 10.2010.19-1
| May 2010
| Bundled officially-supported Qt libraries
|
| 5.0 PR1.3
| 20.2010.36-2
| October 2010
| Updated Qt and Qt Mobility libraries
|
| 5.0 PR1.3.1
| 21.2011.38-1
| October 2011
| Security update - updated SSL certificates
|
| 5.0 CSSU
| -
| January 2011
| Community-supported updates for Fremantle
|
| MeeGo 1.2 Harmattan
| Beta 1
| Harmattan
| 1.2011.22-6
| June 2011
| First Beta release (N950 only)
|
| Beta 2
| 1.2011.34-2
| September 2011
| Second Beta release (N950 only)
|
| PR 1.0
| 10.2011.34-1
| September 2011
| First official release (N9 only)
|
| PR 1.1
| 2.2011.39-5
| October 2011
| N950 only
|
| 20.2011.40-4
| November 2011
| announcement (N9 only)
|
| PR 1.2 beta
| 3.2012.02-6
| January 2012
| Last official N950 release (N950 only)
|
| PR 1.2
| 30.2012.07-1
| March 2012
| announcement (N9 only)
|
| PR 1.3
| 40.2012.21-3
| July 2012
| change log (N9 only)
|
