J260A carried out the release process, but when placing the sim card it still said blocked network and consumed the 5 credits.
Thank you very much, I hope to answer your solution to my problem
http://www.mediafire.com/view/xoglern2fsyi1oh/20200106_135823.jpg
Operation: Unlock
Selected model: SM-J260A
Software version: 38.11
Checking Login and Password... OK
Ballance: 31 crd.
You have 31 credit(s) left. This operation takes 5 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-J260A
Android version: 9
PDA version: J260AUCU3BSH6
CSC version: J260AATT3BSH6
Phone version: J260AUCU3BSH6
Product code: SM2J260AZDDATT
CSC country code: USA
CSC sales code: ATT
Phone SN: RF8MA318L8D
IMEI: 356718101550009
HW version: REV1.0
RF cal date: 20191026
Chip name: EXYNOS7570
Modem board: SHANNON305
Security patch: 2019-08-01
Boot Warranty bit: 0
SIM State: LOADED
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching Samsung diag port... detected COM1182
Searching server... OK
Checking server answer... OK
Executing... OK
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Rebooting phone... OK
Unlock done
Operation: Unlock
Selected model: SM-J260A
Software version: 38.11
Checking Login and Password... OK
Ballance: 26 crd.
You have 26 credit(s) left. This operation takes 5 credits.Continue? No
Operation: Unlock
Selected model: SM-J260A
Software version: 38.11
