This in most cases will fix errors with reading sd cards or cards not being recognised at all. For Nintendo switch V1 HAC-001 model, and V2 HAC-001 (-01) model.
Nintendo Switch Micro SD TF Card Reader FPC Connector On Board 16 pin microSD
Replacement Nintendo Switch microSD/Micro SD TF Card Reader Slot Board
Nintendo Switch OLED Game Cartridge Card Reader Slot Holder Socket Connector
For Nintendo Switch Memory Micro SD TF Card Reader FPC Connector Replacement
