There have been so much talk about Apple building a smaller iPhone. Many called it iPhone Nano but till date there are no concrete proof. Now, there are information running wild that TSMC and UMC (Both are Taiwan Semiconductor Giant) are going to build the chip for this iPhone Nano.
From the source,
Taiwan Semiconductor Manufacturing Company (TSMC) and United Microelectronics Corporation (UMC) will likely land chip orders for Apple’s low-cost entry-level iPhone nano, the Chinese-language Economic Daily News (EDN) reported today.
On this site, they are saying that the chop order will start on March and the Apple iPhone Nano may be ready by June. Also, Appleinsider are also talking vigorously on their website about it.