TL;DR. Compare your serial here to know if your Switch is patched or not:
Serials beginning with XAW1:
Serials between XAW10000000000 - XAW10065000000 are safe to buy
Serials between XAW10066000000 - XAW10120000000 are possibly patched
Serials above XAW10120000000 are definitely patched
Serials beginning with XAW4:
Serials between XAW40000000000 - XAW40011000000 are safe to buy
Serials between XAW40011000000 - XAW40012000000 are...
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Serials beginning with XAW1:
Serials between XAW10000000000 - XAW10065000000 are safe to buy
Serials between XAW10066000000 - XAW10120000000 are possibly patched
Serials above XAW10120000000 are definitely patched
Serials beginning with XAW4:
Serials between XAW40000000000 - XAW40011000000 are safe to buy
Serials between XAW40011000000 - XAW40012000000 are...
Read more
Continue reading...