Unit : Samsung SGH-A667 & SGH-A817
Problem: Invalid sim card

Gadget/cable: Octopus Box/Micro UART cable
Action taken:
> Open Octopus Samsung software
> Select Model for A667 & A817
> Power off phone
> click Read Codes
> connect phone...... wait... done
> enter NET LOCK Code to phone
SGH-A817

SGH-667


Problem: Invalid sim card

Gadget/cable: Octopus Box/Micro UART cable
Action taken:
> Open Octopus Samsung software
> Select Model for A667 & A817
> Power off phone
> click Read Codes
> connect phone...... wait... done
> enter NET LOCK Code to phone
SGH-A817

SGH-667

