Fixing Dev Error 12502: Step-by-Step Guide

Encountering Dev error 12502 on Xbox Series X, PS5, or other gaming platforms is not uncommon. In this guide, we’ll walk you through the effective solutions to resolve this issue, so let’s dive right in.

What is Dev error 12502 in MW3?

This error typically arises from corrupted game files present on your device.

How can I resolve Dev error code 12502?

1. Update Your Game

1. Make sure your game is fully updated.
2. If required, manually search for updates.
3. After confirming the game has the latest updates, the problem should be resolved.

Many users have reported encountering Dev error 12502 while playing MW3 offline, but this issue is generally resolved with the latest game updates.

2. Disconnect and Remove Reserved Space on Xbox

1. Press the Xbox button on your controller.
2. Select your profile icon and navigate to Settings.
3. Go to Network Settings.
4. Then, choose the option to Go Offline.

Next, follow these steps to delete the game’s reserved space:

1. Access Settings, then select Storage Devices or Internal Storage.
2. Find the game in the list and select Manage Game and Add-Ons.
3. Choose the option to clear Reserved Space or to Clear Local Saved Games.
4. Restart the game in Offline mode.
5. Verify if offline multiplayer functions correctly.

Dev error 12502 primarily impacts consoles, and it can often be remedied with a simple game update. However, if you encounter other errors, we have in-depth articles on Dev error 12744 and Dev error 6146 available for you.

Additionally, don’t miss our guide on Dev error 841 for further assistance.

Source