Unknown Operation (80)

[trenchcoatjedi]

iPhone 8,1
Ubuntu 24.02
Attempting to install iOS 15.8.3

idevicerestore always fails at this point:

Verifying restore (14)
[==================================================] 100.0%
Unmounting filesystems (29)
Unmounting filesystems (29)
Unmounting filesystems (29)
Unmounting filesystems (29)
Unmounting filesystems (29)
Unmounting filesystems (29)
Checking filesystems (15)
Checking filesystems (15)
Checking filesystems (15)
Mounting filesystems (16)
Mounting filesystems (16)
Mounting filesystems (16)
Mounting filesystems (16)
Unknown operation (80)
Unhandled progress operation 80 (80)
Unknown data request 'PersonalizedData' received
common.c:printing 430 bytes plist:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>MsgType</key>
	<string>DataRequestMsg</string>
	<key>DataType</key>
	<string>PersonalizedData</string>
	<key>Arguments</key>
	<dict>
		<key>ImageList</key>
		<true/>
		<key>ImageType</key>
		<string>IsiBootEANFirmware</string>
	</dict>
</dict>
</plist>
FDR 0x604c1fc78f40 timeout waiting for command
FDR 0x604c1fc78f40 waiting for message...
No data to read (timeout)
FDR 0x604c1fc78f40 timeout waiting for command
FDR 0x604c1fc78f40 waiting for message...
FDR 0x604c1fc78f40 timeout waiting for command
FDR 0x604c1fc78f40 waiting for message...