Htc u11 life tmo s-off & sim-unlock | xtc2 clip 1.35 [SOLVED]

Team,

I need to SIM unlock two devices, please how to?

1. Checking phone connectivity.......
Phone connection confirmed!
HTC KEY CARD VERSION: 7
2. Checking Server connectivity...
Server connection confirmed!
3. Checking PowerAdapter connectivity...
Process started
PowerAdapter connected, processing request to adapter...
Starting operation...
Sending oem writesecureflag 0
... (bootloader) HTC KEY CARD VERSION: 7
FAILPERMISSION DENY (DENY)
FAILED (remote: PERMISSION DENY (DENY))
Execution time is 2(ms)
Operation completed!
Releasing adapter.
Request completed