Marvell 88W878S-BKB2

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Marvell 88W878S-BKB2 is the chip used in the PS Vita OLED (PCH-1XXX) to support Wi-Fi/Bluetooth.



  • ARMv5TE
  • Blob in wlanbt_robin_img_ax.skprx starting at offset 305 (3.60).


SD8787 supports up to 150 Mbps for IEEE 802.11n, so the speed of Vita's 88W878S-BKB2 is probably severely nerfed. Not sure yet whether it comes from the OS through some commands, or the FW itself.