There are several reasons why you might need to unlock your Nokia Model 100 Type RH-130. Here are a few:
Nokia 100 (Type RH-130) , unlocking typically refers to either bypassing a security code (screen lock) or a network/SIM restriction. 1. Security Code Unlock (Handset Lock)
Unlock it, insert your SIM, and enjoy the simplicity of a phone that only does two things—calls and texts—extremely well.