With regards to the Nintendo 3DS XL/Nintendo 3DS system update that was distributed on 26th March, we have received information that some users are receiving an error when trying to perform the system update. We are currently checking the source of this problem.
Please use the steps below to try and rectify the problem. Should you still experience errors, please contact Nintendo Customer Service. We are very sorry for any inconvenience caused by this issue.
1. Please switch your Nintendo 3DS/Nintendo 3DS XL system OFF.
2. Turn on the power while holding the following four buttons together:
L Button (shoulder)
R Button (shoulder)
"Up" on the +Control Pad
3. Please tap OK on the system update screen.