M8 whl 6.0 Unlock fail

i am trying to unlock a Htc M8 whl (Sprint).
Xtc clip show Unlock done.
But still phone show invalid sim card....

Code:

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Reading information...
Using Fastboot mode...
Reading common information
(bootloader) version: 0.5
(bootloader) version-bootloader: 3.19.0.0000
(bootloader) version-baseband: 1.09.20.1112
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 6.20.651.3
(bootloader) version-misc: PVT SHIP S-OFF
(bootloader) serialno: FA45WSF13040
(bootloader) imei: 990004991724281
(bootloader) imei2: Not Support
(bootloader) meid: 99000499172428
(bootloader) product: m8_whl
(bootloader) platform: hTCBmsm8974
(bootloader) modelid: 0P6B70000
(bootloader) cidnum: 11111111
(bootloader) battery-status: good
(bootloader) battery-voltage: 0mV
(bootloader) partition-layout: Generic
(bootloader) security: off
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: 205bdca3
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
all: Done!
Execution time is 20(ms)
Reading CID information
... (bootloader) cid: 11111111
OKAY
Execution time is 12(ms)
Reading MEID information
... (bootloader) meid: 99000499172428
OKAY
Execution time is 13(ms)
Reading IMEI1 information
... (bootloader) imei: 990004991724281
OKAY
Execution time is 13(ms)
Reading IMEI2 information
... (bootloader) readimei2: Not Support
OKAY
Execution time is 14(ms)
Reading secure flag information
... (bootloader) secure_flag: 0
OKAY
Execution time is 14(ms)
Reading serial number information
... (bootloader) [ERR] Command error !!!
OKAY
Execution time is 14(ms)
Read information completed.


Trying to connect in Sprint mode...
Trying to connect on COM143
Checking server connection...
Communicating with the XTC 2 Clip ...
Connecting to the server...
Please wait, generating unlock hash...
Process finished SUCCESSFULLY
Please restart your phone for the changes to take effect
Note: If your phone is M7 - please do S-OFF first and then unlock again
In case of calls/network problems, please do reset by:
Open phone dialer, type ##786#, wait for the menu to appear
Press MENU in top right corner and select RESET
Enter SPC code
Wait for the phone to verify the code and reboot
Phone DISconnected

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please suggest me how can i unlock this phone