So my handed me this iPad Air 2 A1566 and told they didn't power on for 1 year nearly. They charge it up but no screen. So tried to restored.

[03:05:19.0885] <Recovery Mode Device 0000023F6E0B3CD0>: operation 43 progress -1
[03:05:19.0885] requested restore behavior: Erase
[03:05:19.0896] Max file size is: 536870912
[03:05:19.0896] sending file: C:\Users\BLUEBE~1\AppData\Local\Temp\PerC873.tmp\Firmware\all_flash\RestoreLogo_applelogo@2x~ipad.img4
[03:05:20.0933] No additional boot images found
[03:05:20.0935] amai: AMAuthInstallBundleCopyPersonalizedURLsMatchingType: Found IsLoadedByiBoot: RestoreTrustCache
[03:05:20.0937] Sending RestoreTrustCache to device. (1 of 1)
[03:05:20.0946] Max file size is: 536870912
[03:05:20.0946] sending file: C:\Users\BLUEBE~1\AppData\Local\Temp\PerC873.tmp\Firmware\RestoreTrustCache_048-40310-058.dmg.img4
[03:05:20.0963] <Recovery Mode Device 0000023F6E0B3CD0>: operation 5 progress -1
[03:05:20.0963] sending file: C:\Users\BLUEBE~1\AppData\Local\Temp\PerC873.tmp\RestoreRamDisk_048-40310-058.img4
[03:05:23.0897] unable to open device_map.txt: No such file or directory
[03:05:23.0897] found device map entry for 0x00007001 0x00000006. boardConfig=j81ap platform=t7001
[03:05:23.0897] _AMRestoreCopyDeviceMapPlistEntryForHardware: firmwareDirectory not in options
[03:05:23.0902] AMDeviceIoControl: GetOverlappedResult failed
[03:05:23.0902] AMDeviceIoControl: failed, error 2, usbd status 00000000
[03:05:24.0406] AMDeviceIoControl: GetOverlappedResult failed
[03:05:24.0406] AMDeviceIoControl: failed, error 2, usbd status 00000000
[03:05:24.0913] AMDeviceIoControl: GetOverlappedResult failed
[03:05:24.0913] AMDeviceIoControl: failed, error 2, usbd status 00000000
[03:05:25.0413] USBControlTransfer: error 2, usbd status 00000000
[03:05:25.0413] command device request for 'getenv ramdisk-delay' failed: 2009
[03:05:27.0023] <Recovery Mode Device 0000023F6E0B3CD0>: operation 6 progress -1
[03:05:27.0032] Max file size is: 536870912
[03:05:27.0032] sending file: C:\Users\BLUEBE~1\AppData\Local\Temp\PerC873.tmp\Firmware\all_flash\RestoreDeviceTree_DeviceTree.j81ap.img4
[03:05:28.0052] <Recovery Mode Device 0000023F6E0B3CD0>: operation 7 progress -1
[03:05:28.0060] Max file size is: 536870912
[03:05:28.0060] sending file: C:\Users\BLUEBE~1\AppData\Local\Temp\PerC873.tmp\RestoreKernelCache_kernelcache.release.img4
[03:05:28.0468] <Recovery Mode Device 0000023F6E0B3CD0>: operation 8 progress -1
[03:05:28.0468] unable to open device_map.txt: No such file or directory
[03:05:28.0469] found device map entry for 0x00007001 0x00000006. boardConfig=j81ap platform=t7001
[03:05:28.0469] _AMRestoreCopyDeviceMapPlistEntryForHardware: firmwareDirectory not in options
[03:05:28.0474] <Recovery Mode Device 0000023F6E0B3CD0>: operation 9 progress -1
[03:05:28.0477] <Recovery Mode Device 0000023F6E0B3CD0>: Recovery mode succeeded
[03:05:28.0478] Finished Recovery Restore Phase: Successful
[03:05:29.0713] Recovery mode device disconnected
[03:05:29.0713] Device removed when in state Restoring, moving device to transition state
[03:05:29.0713] Changing state from 'Restoring' to 'Transitioning'
[03:05:29.0713] Creating timer to monitor transition
[03:05:29.0713] Creating a timer for 10 minutes
[03:05:42.0378] RestoreOS mode device connected
[03:05:42.0378] Transitioning device returned, continuing restore.
[03:05:42.0378] Canceling timer
[03:05:42.0378] Changing state from 'Transitioning' to 'Restoring'
[03:05:42.0383] requested restore behavior: Erase
[03:05:42.0396] amai: AMAuthInstallBundleCopyBuildIdentityForVariant: No baseband chipid reported. Will match Build Identity based on ap chipid and boardid only.
[03:05:42.0398] amai: AMAuthInstallBundleFDRSupported: FDR is supported for this device
[03:05:42.0398] no override trust object found
[03:05:42.0398] requested restore behavior: Erase
[03:05:42.0398] <Restore Device 0000023F6E0AB810>: operation 45 progress -1
[03:05:42.0398] requested restore behavior: Erase
[03:05:42.0398] requested variant: Erase
[03:05:42.0398] requested restore behavior: Erase
[03:05:42.0398] amai: AMAuthInstallBundleFDRSupported: FDR is supported for this device
[03:05:42.0399] personalizing: <AMAuthInstall 0000023F6E01B960>{ap=(personalize=YES j81ap ecid=0x109d608468426, chipid=0x7001, boardid=0x6, isProduction=YES, EPRO=YES, isSecure=YES, ESEC=YES, img4=YES, demotionPolicy=, baaCert=NO), bp=(personalize=YES), UserAuth=NO, iTunes=YES, server="http://gs.apple.com:80", locale=en_US, version="libauthinstall_Win-573.200.43", platform=win/10.0(17763) }
[03:05:42.0399] amai: _AMAuthInstallBundleShouldPersonalizeOS: Personalize OS = Yes
[03:05:42.0399] amai: _AMAuthInstallBundleShouldPersonalizeOS: Personalize OS = Yes
[03:05:42.0402] amai: _AMAuthInstallBundleCreateServerRequestDictionary: withApTicket is False
[03:05:42.0402] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "RestoreLogo"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "RestoreDeviceTree"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "RestoreKernelCache"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "RestoreRamDisk"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: entry "OSRamdisk" not part of manifest, skipping
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "iBEC"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "iBSS"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "KernelCache"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: skipping "ftap" entry
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: skipping "rfta" entry
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: skipping "ftsp" entry
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: skipping "rfts" entry
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: entry "Diags" not part of manifest, skipping
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: entry "CFELoader" not part of manifest, skipping
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: entry "RBM" not part of manifest, skipping
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: entry "PHLEET" not part of manifest, skipping
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: entry "PERTOS" not part of manifest, skipping
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: entry "PEHammer" not part of manifest, skipping
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: entry "Alamo" not part of manifest, skipping
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: skipping "OS" entry
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "LLB"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "AppleLogo"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "BatteryCharging1"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "SEP"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "BatteryFull"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "RestoreTrustCache"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "StaticTrustCache"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "BatteryPlugin"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "BatteryCharging0"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "BatteryLow1"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "RestoreSEP"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "BatteryLow0"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "RecoveryMode"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "DeviceTree"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: not personalizing "iBoot"
[03:05:42.0403] amai: _AMAuthInstallBundleCreateServerRequestDictionary: nothing to be done
[03:05:42.0403] requested restore behavior: Erase
[03:05:42.0405] overwrite InstallDiags to false
[03:05:42.0409] device did not return saved USB log
[03:05:42.0409] device did not return saved panic log
[03:05:42.0411] connected to service com.apple.mobile.restored
[03:05:42.0411] using protocol version 15
[03:05:42.0416] unable to open device_map.txt: No such file or directory
[03:05:42.0416] board config = j81ap
[03:05:42.0425] no value returned for BootArgs
[03:05:42.0425] _copyDeviceProperty() failed for restore bootargs
[03:05:42.0436] no value returned for MarketingPartNumber
[03:05:42.0436] _copyDeviceProperty() failed for mpn
[03:05:42.0436] requested restore behavior: Erase
[03:05:42.0442] value query for 'HardwareModel' returned 'J81AP'
[03:05:42.0442] Can't return padding information since it's not in the Restore.plist, looking in BuildManifest.plist
[03:05:42.0459] requested restore behavior: Erase
[03:05:42.0460] Established proxy for device ID 1
[03:05:42.0591] Completed checkpoint id: 0x655
[03:05:42.0593] Started checkpoint id: 0x604
[03:05:42.0600] Completed checkpoint id: 0x604
[03:05:42.0602] Started checkpoint id: 0x608
[03:05:42.0609] Completed checkpoint id: 0x608
[03:05:42.0611] Started checkpoint id: 0x609
[03:05:42.0620] <Restore Device 0000023F6E0AB810>: operation 35 progress -1
[03:05:42.0620] requested restore behavior: Erase
[03:05:42.0622] amai: AMAuthInstallBundleCopyPersonalizedURLsMatchingType: Found IsFirmwarePayload: LLB
[03:05:42.0624] amai: AMAuthInstallBundleCopyPersonalizedURLsMatchingType: Found IsFirmwarePayload: AppleLogo
[03:05:42.0626] amai: AMAuthInstallBundleCopyPersonalizedURLsMatchingType: Found IsFirmwarePayload: BatteryCharging1
[03:05:42.0628] amai: AMAuthInstallBundleCopyPersonalizedURLsMatchingType: Found IsFirmwarePayload: SEP
[03:05:42.0630] amai: AMAuthInstallBundleCopyPersonalizedURLsMatchingType: Found IsFirmwarePayload: BatteryFull
[03:05:42.0632] amai: AMAuthInstallBundleCopyPersonalizedURLsMatchingType: Found IsFirmwarePayload: BatteryPlugin
[03:05:42.0634] amai: AMAuthInstallBundleCopyPersonalizedURLsMatchingType: Found IsFirmwarePayload: BatteryCharging0
[03:05:42.0636] amai: AMAuthInstallBundleCopyPersonalizedURLsMatchingType: Found IsFirmwarePayload: BatteryLow1
[03:05:42.0638] amai: AMAuthInstallBundleCopyPersonalizedURLsMatchingType: Found IsFirmwarePayload: RestoreSEP
[03:05:42.0640] amai: AMAuthInstallBundleCopyPersonalizedURLsMatchingType: Found IsFirmwarePayload: BatteryLow0
[03:05:42.0642] amai: AMAuthInstallBundleCopyPersonalizedURLsMatchingType: Found IsFirmwarePayload: RecoveryMode
[03:05:42.0644] amai: AMAuthInstallBundleCopyPersonalizedURLsMatchingType: Found IsFirmwarePayload: DeviceTree
[03:05:42.0646] amai: AMAuthInstallBundleCopyPersonalizedURLsMatchingType: Found IsFirmwarePayload: iBoot
[03:05:55.0988] RestoreOS mode device disconnected
[03:05:55.0988] RestoreOS device removed before restored completed
[03:05:55.0989] recv(6008, 4) failed: connection closed
[03:05:55.0989] unable to read message size: -1
[03:05:55.0989] unable to read message from device
[03:05:55.0989] AMRAuthInstallDeletePersonalizedBundle
[03:05:56.0206] <Restore Device 0000023F6E0AB810>: Restore failed (result = 9)
[03:05:56.0206] AMRestorePerformRestoreModeRestoreWithError failed with error: 9
[03:05:56.0206] Finished RestoreOS Restore Phase: Failed
[03:05:56.0206] State Machine Dump, status:ERROR - [state:DFU remaining-cycles:0] -> [state:Recovery remaining-cycles:0] -> [state:RestoreOS remaining-cycles:0 (current state)]
[03:05:56.0206] Changing state from 'Restoring' to 'Error'
[03:05:56.0206] Restore completed, status:9
[03:05:56.0206] Restore Checkpoint Fingerprint: 0609.0000
[03:05:56.0206] Failure Description:
[03:05:56.0206] Depth:0 Code:-1 Error:AMRestorePerformRestoreModeRestoreWithError failed with error: 9
[03:05:56.0206] Depth:1 Code:9 Error:Failed to receive message from device
[03:05:56.0206] State is now set to error