We have resumed distribution of system version 12.0.3 of Nintendo Switch, which was suspended. After updating to 12.0.3, if an error occurs while downloading the game software or update data and the download stops, please check the following Q & A.
https://t.co/1Ayq8ygfA9?amp=1
Q&A Translation:
[Switch] When I tried to download software or update data, the error code "2123-1502" was displayed. Please try it as it may be improved by the following steps. Improvement procedure Select "OK" when "An error has occurred" is displayed. Select "Continue" when the message "Download has stopped because an error has occurred" is displayed. * Do not select "Close". When the message "Downloading data" is displayed, please wait until it is completed. * If an error occurs after pressing "Continue", it may be improved by repeating the trial. When the download is complete, the operation is complete. If the above procedure does not improve It may be improved by trying the following operations. Restart the Switch itself. * Please see here for how to restart. Delete the connection settings from "Registered networks" in the Internet settings, and then recreate them. Review the communication environment. Improvement of internet connection equipment Temporarily change the DNS settings. * Please see here for how to change. Connect in another internet environment. Did this information help you?