Description
This is a genuine Wi-Fi / Bluetooth IC from Nintendo.
BCM4356XKUBG and CYW4356XKUBG belong to the same chipset platform and are used in different Nintendo Switch hardware revisions.
Compatibility Section
✔ Nintendo Switch (HAC-001 / HAC-001(-01))
✔ Nintendo Switch Lite (HDH-001)
✔ Nintendo Switch OLED (HEG-001)
Important notes:
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The BCM4356XKUBG is mainly used in standard Switch consoles, while the CYW4356XKUBG is mainly used in Switch Lite.
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Both chips are fully compatible with other Switch models from the same series.
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Professional installation is recommended, as these are BGA control chips.










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