The iOS 4 from Apple provides many features to the iPhone 3GS users but the iOS 4 has few issues with the iPhone 3G. The iPhone 3G owners once they installed the latest firmware update started facing problems with the poor performance of the iPhone 3G.
The iPhone 3G owners are facing problems with the poor performance of the iPhone 3G with slow keyboard response times, frozen unlock screens, and bad battery life. Referring to the response from the iPhone 3G owners, the iOS 4 firmware update causes this problem.
Apple has confirmed that it would be looking into the issue and let us hope that Apple this time comes with the proper fix for the iPhone 3G poor performance problem. Stay tuned for more updates.