If you are managing your digital backup library on a modified physical console running a custom environment like Atmosphere:
Place all numbered parts ( .part1.rar , .part2.rar ) into a single folder. miitopia nspupdate 103 2rar
Place the resulting NSP file onto your Switch's microSD card. It is best to place it inside a cleanly labeled directory, such as SD:/nsp/ . If you are managing your digital backup library
Here is a quick guide:
Use WinRAR or similar software to extract the Miitopia [0100C8800D609800][v196608].nsp (or similar name) from the archive. miitopia nspupdate 103 2rar