Changes

= Product Serial Numbers =

= Product Serial Numbers =

Serial numbers are composed of at least [[#Prefix|three letters]] followed by ten decimal digits. The tenth digit is a [[#Check_Digit|check digit]], meaning that it is derived from the other digits.

A Switch console serial number is composed of at least [[#Prefix|three letters]] followed by ten decimal digits. The tenth digit is a [[#Check_Digit|check digit]], meaning that it is derived from the other digits.

=== Prefix ===

== Prefix ==

Observed prefixes are normally as follows:

Observed prefixes are normally as follows:

** "X" (NX)

** "X" (NX)

* Second letter represents the product model:

* Second letter represents the product model:

** "A" (HAC-001)

** "A" (HAC-001; Nintendo Switch console)

** "J" (HDH-001)

** "K" (HAC-001-01)

** "C" (HAC-016; Right Joy-Con)

** "J" (HDH-001; Nintendo Switch Lite console)

** "K" (HAC-001-01; Nintendo Switch Mariko console)

* Third letter represents the product region:

* Third letter represents the product region:

** "C" (China)

** "C" (China)

** "W" (Americas)

** "W" (Americas)

* Fourth letter is optional:

* Fourth letter is optional:

** "F" (factory prototype)

** "F" (Factory)

=== Assembly Line ===

== Assembly Line ==

The first two digits immediately after the [[#Prefix|prefix]] represent the assembly line as follows:

The first two digits immediately after the [[#Prefix|prefix]] represent the assembly line as follows:

|}

|}

=== Check Digit ===

== Check Digit ==

The check digit is an industry-standard algorithm and is calculated just like it was on the [https://www.3dbrew.org/wiki/Serials#Console_Serial_Numbers 3DS].

The check digit is an industry-standard algorithm and is calculated just like it was on the [https://www.3dbrew.org/wiki/Serials#Console_Serial_Numbers 3DS].