Cheetah Tool a215u sprint

[mishikogsm]

a215u after unlock still locked
Search SAMSUNG Mobile USB :...
Model: SM-A215U
VER: A215USQS5AUG6/A215UOYN5AUG6/A215USQS5AUG6/A215USQS5AUG6
SN: R9ANA0BLK2J
IMEI: 352252552385743
Carrier: SPR
UN: W1544583008A78CE4397
Lock Status: NONE
Connection Type: AT,MTP
Checking Model : OK
Going to DL/Mode: ...OK

Your Credit Balance: 5
Operation Need: 4
Confirm operation by user
Search SAMSUNG Mobile USB :.......OK
Exploit DL:....215...OK
Waiting fo USB BROM MediaTek Port...OKOK
Installzing Loader... OK
Dumping EMI Config... OK
INIT EXTRAM... OK
Reading Info... OK

Preparing Device... OK
Read Device info... SM-A215U...
Reading Security from Phone... OK
Reading SIMLOCK Security... OK
Writing Amazing... OK
Rebooting... OK
Waiting for devices... ON... OK
Exploit DL... OK
Waiting fo USB Port... OK
Installzing Loader... OK
Dumping EMI Config... OK
INIT EXTRAM... OK
Reading Info... OK

Preparing Device... OK
Calc Hash... OK
Exploit SIMLOCK... OK
Installzing Loader... OK
Dumping EMI Config... OK
INIT EXTRAM... OK
Reading Info... OK

Preparing Device... OK
Waiting SERVER ... OK
Unlocking... .... .... OK
Writing Amazing... OK
Rebooting... OK
Operation Finish

how to unlock this model