Follow this procedure carefully to avoid bricking your device or exhausting your security counters. Step 1: Extract Your Device IMEI Number
The terminal will respond with a specific sequence formatted as ^CARDLOCK: A,B,C . Interpret the numbers using this rule:
Older calculators often produce invalid codes for newer firmware. The V4/V5 algorithms require:
: When prompted by the dashboard or WebUI for a "SIMLOCK Code" or "Password," enter your generated NCK.