How to Unlock the Nokia Model 100 (Type RH-130): A Complete Guide

If you are looking to unlock your Nokia Model 100 (Type RH-130), you are likely trying to use a SIM card from a different carrier than the one the phone was originally locked to. As this device is a classic "feature phone," the unlocking process is simpler than modern smartphones, but it does require a specific unlock code.

For example: If your Nokia 100 says "SIM card not valid" or "Enter restriction code" when you insert a competitor’s SIM card, it is network-locked.

Here's a step-by-step guide to unlocking your Nokia Model 100 Type RH-130:

Resetting Settings: If you can access the keypad, you can reset the phone to factory settings by dialing *#7780#. You will then be prompted to enter the security code (use 12345 if you haven't changed it).

Despite its simplicity, the Nokia 100 is protected by a network lock (SIM lock) system. Users attempting to use a SIM card from a carrier other than the original seller are often prompted for an "Unlock Code." Understanding the retrieval and application of this code requires an understanding of the security shift from older Nokia hardware to the newer ASIC platforms.

Hard Reset: To wipe all data and return the phone to its original state, dial *#7370#. 2. Network Unlocking (SIM Restriction)