iPhone 6+ error 1110 Unable to repair device
 

[info] Selected port: COM1
[info] Found device in Recovery mode
[data] SerialNumber:FK1P2AZBG5QL
[info] Identified device as iPhone 6 Plus, n56ap, iPhone7,1
[done] Operation finished!
[info] Using LOCAL IPSW C:\Users\efx\AppData\Roaming\Apple Computer\iTunes\iPhone Software Updates\iPhone_5.5_12.5.6_16H71_Restore.ipsw
[info] Starting repair...
[info] Found device in Recovery mode
[info] Device ecid 000104382844c826 disconnect detected!
[info] Repairing ...
[info] Device 9f731e064d80bf8c32fb3611dbc9585b27a3dfed has successfully entered restore mode
[info] BoardID: 4
[info] ChipID: 28672
[info] UniqueChipID: 286114216986662
[info] ProductionMode: true
[erro] TZ0RequiredCapacity: 0xC00000
[erro] Unable to repair device
[info] Repair step 2...
[info] device disconnect...
[info] Found device in Recovery mode
[info] Device ecid 000104382844c826 disconnect detected!
[info] Repairing ...
[info] Device 9f731e064d80bf8c32fb3611dbc9585b27a3dfed has successfully entered restore mode
[info] BoardID: 4
[info] ChipID: 28672
[info] UniqueChipID: 286114216986662
[info] ProductionMode: true
[erro] TZ0RequiredCapacity: 0xC00000
[erro] Unable to repair device
[done] Repair completed... rebooting ...
[info] Found device in Normal mode
[done] Operation finished!
[info] device disconnect...

1110 Solution based on iOS 15 , not for old version , so 6+ not support