To sim unlock, reset user code Samsung E2152 just follow given screenshots below.

Unlock Log

=======================================
Selected model: E2152
Selected com port: COM10
Selected speed port: 921600
Please, connect phone and press power button 3 seconds
Phone Detected
Use automatic parameters
Phone in TAT MODE
Phone SW: E2152JPJI1
Phone CSC: E2152OJPJI1
Phone BT ADDR: BC47-60-334AFB
Phone IMEI: 35230104451691
Deactivated MSL – TRUE
Unlock – ok
Elapsed time: 31 second, sw ver: 3.5.0040
=======================================