Today I try to flash the clock, shows this:
[info]
[info] Starting ...
[info] Using LOCAL IPSW C:\Users\lexa52\Desktop\MFC_Watch3.3_15T567_4.3.1_ n121sAP_GPS_Restore_38mm.ipsw
[info] using cached version data
[info] Found device in DFU mode
[info] Identified device as Apple Watch S3, n121sap, Watch3,3
[info] Extracting BuildManifest from ipsw
[data] Product Version: 4.3.1
[data] Product Build: 15T567 Major: 15
[data] Device supports Image4: true
[info] Variant: Customer Erase Install (IPSW)
[info] This restore will erase your device data.
[info] Found ECID 1815345505820838
[info] Getting ApNonce in dfu mode... [data] BA8E50E5299047F9C6D78ED75A46E794318E2B6E3ACDAE068D DB678EC76F81EE
[info] tts>Trying to fetch new SHSH blob
[info] Getting SepNonce in dfu mode... [data] 4F39DEA6F1B7C17EF427C30D0DE5983510545B2D
[warn] Unable to find BbChipID node
[note] Unable to find BbProvisioningManifestKeyHash node
[note] Unable to find BbActivationManifestKeyHash node
[note] Unable to find BbCalibrationManifestKeyHash node
[note] Unable to find BbFactoryActivationManifestKeyHash node
[note] Unable to find BbFDRSecurityKeyHash node
[warn] Unable to find BbSkeyId node
[info] Sending TSS request...
[info] Request URL set to
https://gs.apple.com/TSS/controller?action=2
[info] Sending TSS request attempt 1...
[erro] TSS server returned: STATUS=94&MESSAGE=This device isn't eligible for the requested build.
[erro] TSS request failed (status=94, message=This device isn't eligible for the requested build.)
[erro] tts>Unable to send TSS request
[erro] Unable to get SHSH blobs for this device
[info] Failed
yesterday gave out other information