Apple Watch Series 4 (40mm)
Unsigned OTA

watchOS 5.1 (16R591) OTA

Apple Watch Series 4 (40mm)

Other Signed OTA Updates
watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 5.3.10 Signed 16U711 watchOS 6.3.1 Signed 17U224 watchOS 6.3.1 Signed 17U224 watchOS 6.3.1 Signed 17U224 watchOS 6.3.1 Signed 17U224 watchOS 6.3.1 Signed 17U224 watchOS 6.3.1 Signed 17U224 watchOS 6.3.1 Signed 17U224 watchOS 6.3.1 Signed 17U224 watchOS 6.3.1 Signed 17U224 watchOS 6.3.1 Signed 17U224 watchOS 6.3.1 Signed 17U224 watchOS 6.3.1 Signed 17U224 watchOS 6.3.1 Signed 17U224 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693 watchOS 5.3.9 Signed 16U693
93d1f8f6c15d8e9d50d5836218497dcb1b96d6ca.zip
Device
Apple Watch Series 4 (40mm)
Identifier
Watch4,1
OS
watchOS
Version
5.1
Build
16R591
Type
Release
Release Date
2018-10-30
Upload Date
2018-10-22
Size
1.32 GB
Status
Unsigned
⇓ Download OTA (1.32 GB)