It's the Windows 10 Mobile (10586.107) Offline Update Project for deprecated Windows Phone 8.x devices.
- ★Microsoft Lumia 430/435
- Nokia Lumia 520/520T/521/525/526
- ★Microsoft Lumia 532
- ★Microsoft Lumia 535
- ★Microsoft Lumia 540
- Nokia Lumia 620
- Nokia Lumia 625/625H
- Nokia Lumia 630
- Nokia Lumia 635 (RM-974/RM-975/RM-1078)
- ★Nokia Lumia 636 (RM-1027)
- ★Nokia Lumia 638 (RM-1010)
- ★Microsoft Lumia 640
- ★Microsoft Lumia 640 XL
- Nokia Lumia 720/720T
- ★Nokia Lumia 730/735
- ★Microsoft Lumia 735 (Verizon RM-1041)
- Nokia Lumia 810 (T-Mobile US RM-878)
- Nokia Lumia 820
- Nokia Lumia 822 (Verizon RM-845)
- ★Nokia Lumia 830
- Nokia Lumia 920/920T (RM-820/RM-821/RM-822/RM-867)
- Nokia Lumia 925/925T (RM-892/RM-893/RM-910)
- Nokia Lumia 928
- ★Nokia Lumia 929 Icon
- ★Nokia Lumia 930
- Nokia Lumia 1020
- Nokia Lumia 1320
- ★Nokia Lumia 1520
- Samsung ATIV S
- Samsung ATIV S Neo
- Samsung ATIV SE
- HTC One M8 for Windows
- BLU WIN HD/LTE
- LG Lancet VW820
- MCJ Madosma Q501
- MICROMAX W092
- MICROMAX W121
- HUAWEI Ascend W2
- Acer Liquid M220
- RAMOS Q7
- Panasonic Toughpad FZ-E1
- TrekStor WinPhone 4.7
Models with ★ are supported by Upgrade Advisor or OTC Updater.
- Nokia Lumia McLaren (id315-x)
- Samsung ATIV S (SGH-T899M)
- Samsung ATIV S Neo (SGH-I187)
- Samsung ATIV Odyssey (SCH-I930)
- HTC One M8 for Windows (T-Mobile, 0P6B140)
- Phones that can't be updated to 8.10.14219.341 or newer
- 4GB ROM devices (including Lumia 530, HTC 8S and Huawei Ascend W1)
- HTC 8X (including Global, Australian, Verizon, American GSM Carriers)
- RX-130 (Hapanero)
- Other cancelled devices in 5th Generation (e.g. Honjo)
- Devices already have Windows 10 Mobile installed out of factory
https://github.com/HikariCalyx/w10m_oup/blob/spkg_10586.107/repo/filelist.txt
Unfortunately, those downloaded speech related files are lost, probably deleted by Microsoft by purpose.
https://forum.xda-developers.com/windows-10-mobile/guide-win10-mobile-offline-update-t3527340
- Lumia 810 RM-878 to Windows Phone 8.1 GDR1
- Samsung ATIV S (GT-I8750) from XXDOC2 (8.10.14157.200) to 8.10.14226.359
- Samsung ATIV SE (SM-W750V) from initial to 8.10.14219.341
- Huawei Ascend W2-T01/U00 from initial to 8.10.14219.341
- Microsoft for iutool binary
- Microsoft for getdulogs binary
- Microsoft for packages
- Microsoft for OTCUpdater binary
- @gus33000 for Interop Tools
- @ZephRay for contributing LG Lancet VW820
- DPMason for contributing Lumia 1520, Samsung ATIV S/SE, Huawei Ascend W2-T01
- WoodEar85 for his legacy Huawei Ascend W1 research
- GnuWin32 Project for Gawk