HFZ Activator Passcode iPhone 8, 8+ ( IOS 11 - 15.4 ) MEID/GSM Without Jailbreak

Copy ECID from Tool

Backup
1. use 1 BOOT
2. use 2 SSH CHECK
3. use 3 BACKUP

Then erase or flash

Restore

1. use 1 BOOT
2. use 2 SSH CHECK
3. use 3 RESTORE

Imei Service Details - HFZ Activator Passcode iPhone 8, 8+ ( IOS 11 - 15.4 ) MEID/GSM Without Jailbreak