Windows Phone 12.1

Windows Phone 12.1 (codenamed Hudsevellium) was a phone/mobile version of Windows Phone, which is was released in September 17, 2026.
== Known Builds ==
* Build 28131 (February 21, 2026)
* Build 28157 (April 12, 2026)
* Build 28174 (June 4, 2026)
* RTM (June 21, 2026)
* Build 28190 (September 17, 2026)
== End of support dates ==
This applies to following editions: Hone, Pro, Pro N, Pro for Workstations, Education, Enterprise and loT Enterprise
OS Name 	Version 	Release Date	End of Mainstream Support	End of Extended Support
Windows Phone 12.1	26H2, 27H2, 28H2 and 29H2	Released 26H2: September 17, 2026
Released 27H2 Update: October 5, 2027 Released 28H2 Update: October 3, 2028 Released 29H2 Update: September 30, 2029	October 14, 2031 	October 14, 2037
== Editions and keys ==
Windows Phone 12.1 editions include:
Edition 	Product Key
Windows Phone 12.1 Home 	M92KD-JDF1J-T92MD-9F12M-Z2JLQ
Windows Phone 12.1 Home Single Language 	T1U2W-NT1LA-83TLW-DCGTH-19RTC
Windows Phone 12.1 Pro, Pro N 	K1KDQ-TS29W-3TWWQ-5TTRW-M1TQW
Windows Phone 12.1 Pro for Workstations, Pro for Workstations N	JH29Q-2HSMQ-T2LS9-4GW1K-H71WQ
Windows Phone 12.1 Education 	J1WK1H-DW24D-K2L17-TW8QT-7TBZ9
Windows Phone 12.1 Enterprise 	TG1H2-G4MA3-F9QWR-H3TYQ-MN17J
Windows Phone 12.1 loT Enterprise 	H91J1-2TWWR-ZG1TQ-UT72A-9TAQQ
Windows Phone 12.1 Essentials 	W19HE-5TWWT-P2TB1-GGHF5-71BCD
Category:Fictional Windows versions