Nintendo 3DS and Wii U's eShop cards lose functionality after today

After today, Nintendo 3DS and Wii U owners won't be able to use prepaid cards to add funds to their Nintendo eShop accounts.

3DS and Wii U eShops getting the axe in March 2023, redownloads will still be available - Vooks

Wii U eShop Permanently Shutting Down Soon

3DS & Wii U: Nintendo To Discontinue Online Services

Nintendo 3DS - Wikipedia

Nintendo Rolls Out Surprise System Updates to Wii U and 3DS

How To Prepare Your 3DS And Wii U For Retirement - Hard Drive, Battery, Backup Tips

Random: r Spends Nearly $23K Buying Every 3DS & Wii U eShop Game

3DS and WiiU eShop Codes No Longer Work Post eShop Shutdown

5 Things You Can Do With Your Nintendo 3DS Now That the eShop Is Closed

Nintendo's Wii U and 3DS stores closing signal a loss of digital art : NPR

Wii U eShop Permanently Shutting Down Soon