You might not have noticed this if you aren’t a developer, but reports are going around an artificial limit has been imposed on the screen refresh rate of the recently released HTC EVO 4G. According to the complaints, performance is limited to 30FPS for both 2D and 3D content, despite the phone offering the same chip and graphics processor of the Nexus One, which doesn’t have this issue. Speculation is that HTC did this in order to preserve battery life, but developers who create games are finding that they’ve an additional challenge when creating content. Sprint is reportedly already looking into this issue, so let’s see if the carrier will be releasing an update to sort this issue out.