Check your email for the code (Please check your spam mail as well)
From the Nintendo Switch Console/Handheld
1. Select the "Nintendo eShop" menu on the Home Menu.
2. Select the account you want to use.
3. Select Enter Code on the left side of the screen.
4. Enter the code and click "Ok". (The code must be typed MANUAL, not copy paste)
5. Please take note, the following letters are never used: o, i, and z.
Official source: Click here
From Nintendo 3Ds/2Ds Handhelds and variants (New, XL)
1. Select the Nintendo eShop icon on the HOME menu.
2. Scroll left and select Add Funds.
3. Select Redeem a Nintendo eShop Card.
4. Enter the code and click "Ok". (The code must be typed MANUAL, not copy paste)
5. Please take note, the following letters are never used: o, i, and z.
Official source: Click here
How To Use Nintendo Network Card From Nintendo WiiU Console
1. From the Wii U HOME Menu, select the Nintendo eShop icon.
2. Select Balance or press the + Button.
3. Select Nintendo eShop Card.
4. Enter the code and click "Ok". (The code must be typed MANUAL, not copy paste)
5. Please take note, the following letters are never used: o, i, and z.
Official source: Click here
Top Up Nintendo eShop Cards fast and cheap!
It's easy! Just select the desired denomination, complete the payment, and eShop Cards will immediately send to your email!
You can pay via Boost Wallet, vcash, DiGi, Affin Bank, Alliance Online, AmBank, Bank Islam, Bank Rakyat, CIMB Click, Hong Leong Connect, Maybank2u, RHB Bank, UOB Bank, HSBC Online Banking, Kuwait Finance House, MyBSN, or Public Bank Online.
Top Up can also be done without a credit card, registration, and login through UniPin (the best way to buy/reload Nintendo eShop Cards).
About Nintendo eShop:
Nintendo eShop is a digital distribution service powered by the Nintendo Network. You can find various types of games for Nintendo Switch, Nintendo 3DS, and Wii U systems. Nintendo eShop features downloadable games, demos, applications, streaming videos, and other information on upcoming game releases. Use Nintendo eShop Cards to buy your favourit game on Nintendo eShop.
Buy Nintendo eShop Cards on UniPin now!