
Many players get stuck on the “Deciphering the Data” quest in ARC Raiders, especially when the Magnetic Decryptor doesn’t seem to work. Don’t worry, it’s a straightforward quest once you understand what to do, but it can be tricky at first.
This guide will show you precisely where to go, what to do if the decryption doesn’t work, and how to complete the quest in just one raid, saving you time and effort.
Use the Magnetic Decryptor in the Fuel Control Building
Start by heading to the Fuel Control area on the Spaceport map.
When you get here, you’ll notice two doors – please use the one on the right. After you enter, walk straight to the back of the room where you’ll find a control panel.
Interact with the panel to attempt using the Magnetic Decryptor.
If it works, congrats, you’ve completed this part of the quest and can move on.
No Luck? Head to the Arrival Building
If the decryptor fails here, don’t panic, that’s actually expected sometimes.
The game will give you a new task, asking you to head to the Arrival Building. It uses a different system for unlocking things than you’re used to.
Please note: You need to finish both parts of this task within the same raid attempt. If you leave the raid before completing both, you’ll have to begin again.
Reach the Arrival Building in Spaceport
From Fuel Control, make your way to the Arrival Building on the Spaceport map.
Once you’re inside, find the staircase and go all the way up to the top floor. Stay on the upper levels and continue following the path until you reach where you need to be.
Use the Magnetic Decryptor at the Arrival Building

Once you reach the top of the Arrival Building, you’ll see another interactive panel. Use the Magnetic Decryptor on it, and the quest will be finished once it successfully activates.
If you’re unsure, double-check the map location to confirm you’re at the right spot.
Wrap-Up
Okay, so I just finished the “Deciphering the Data” quest, and honestly, it was pretty easy. As long as you stick with your raid group and know where you’re headed, it’s a super quick and straightforward mission – no need to overcomplicate things!
If you found this guide useful, be sure to explore our other ARC Raiders quest and mission guides for a smoother, less stressful experience.
Good luck out there, Raiders! And if you haven’t finished the new “Groundbreaking” quest in the ARC Raiders update, I suggest checking out my guide – you don’t want to miss the rewards!
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2025-12-17 20:06