![Nintendo Switch's 12.0.3 firmware update causes widespread download issues, error code 2123-1502 - Nintendo Wire Nintendo Switch's 12.0.3 firmware update causes widespread download issues, error code 2123-1502 - Nintendo Wire](https://nintendowire.com/wp-content/uploads/2021/06/nintendo_error_code_2123-1502_screenshot_marcus-1024x576.jpg)
Nintendo Switch's 12.0.3 firmware update causes widespread download issues, error code 2123-1502 - Nintendo Wire
![Twitter 上的 Chinese Nintendo:"The error code for unreadable cartridges is 2016-2101. Google search results as of now gives no information on the code provided, nor is it listed on Tencent Nintendo Switch's Twitter 上的 Chinese Nintendo:"The error code for unreadable cartridges is 2016-2101. Google search results as of now gives no information on the code provided, nor is it listed on Tencent Nintendo Switch's](https://pbs.twimg.com/media/EONf_raVAAEGdqF.png)
Twitter 上的 Chinese Nintendo:"The error code for unreadable cartridges is 2016-2101. Google search results as of now gives no information on the code provided, nor is it listed on Tencent Nintendo Switch's
![How To Fix Nintendo Switch Error Code 2123-1502 (An error has occurred) Fortnite chapter 2 season 7 - YouTube How To Fix Nintendo Switch Error Code 2123-1502 (An error has occurred) Fortnite chapter 2 season 7 - YouTube](https://i.ytimg.com/vi/Rs0aYe4uGcc/maxresdefault.jpg)