Cheetah Tool A037u unlock done but still lock

[kamiran]

Search SAMSUNG Mobile USB : ...
Model : SM-A037U
VER : A037USQU1AUL5/A037UOYN1AUL5/A037USQU1AUL5/A037USQU1AUL5
SN : R9TT20NGP1A
IMEI : 350239331240374
Carrier : DSH
UN : W1547583004E430722C8
Lock Status : NONE
Connection Type : AT,MTP
Checking Model : OK
Going to DL/Mode : ...OK

Your Credit Balance : 5
Operation Need : 5
Confirm operation by user
Search SAMSUNG Mobile USB : .......OK
Exploit DL : ....SM-A037U...OK
Waiting fo USB BROM MediaTek Port...OKOK
Installzing Loader...
Send boot code... OK
Init hw chip... OK
Read bl ver... OK
Dumping EMI Config... OK
INIT EXTRAM... OK
Reading Info... OK

Preparing Device... OK
Read Device info... SM-A037U...
Reading Security from Phone... OK
Reading SIMLOCK Security... OK
Writing Security... OK
Rebooting... OK
Waiting for devices... ON... ON... OK
Exploit DL... OK
Waiting fo USB Port... OK
Installzing Loader...
Send boot code... OK
Init hw chip... OK
Read bl ver... OK
Dumping EMI Config... OK
INIT EXTRAM... OK
Reading Info... OK

Preparing Device... OK
Calculating Security... OK
Exploit SIMLOCK... OK
Installzing Loader...
Send boot code... OK
Init hw chip... OK
Read bl ver... OK
Dumping EMI Config... OK
INIT EXTRAM... OK
Reading Info... OK

Preparing Device... OK
Waiting SERVER ... OK
Unlocking... OK
Writing Security... OK
Rebooting... OK
Operation Finished!...

phone still lock kindly refund as customer took phone

Regards