Apple TV 2
The second generation Apple TV was released September 1, 2010. It uses the A4 chip, 256MB of RAM, and 8GB of storage. It supports 720p and offers Micro-USB, HDMI, infrared receiver, and 48KHz optical audio. It can be connected to your network via 802.11a/b/g/n Wi-Fi or 10/100 Ethernet.
iOS Download Links
AppleTV2,1_4.3_8F191m_Restore.ipsw
AppleTV2,1_4.3_8F202_Restore.ipsw
AppleTV2,1_4.4_9A334v_Restore.ipsw
AppleTV2,1_4.4.3_9A405l_Restore.ipsw