As Apple gets warmed up to unveil an iPhone 5S along with a debutant low-priced version of iPhones, Wall Street Journal claims Apple to be working on something even bigger.

According to WSJ, the electronic trend-setter is testing iPhones with screens as large as 4.8 inches to 6 inches.

If Apple does plan to increase the size of iPhone screen size, it will be a substantially bold leap in the evolutionary process in its phones, one that Apple is not known for.

It will also concrete the speculation that Apple is following Samsung’s overwhelmingly successful ‘all sizes – all prices’ strategy. Samsung is famous for providing their customers with the luxury of choosing phones based on their desires, launching Note3 on Wednesday, a Phablet with its screen as large as 5.7”. A month before that they came up with Samsung galaxy Mega phablet with a 6.3-inch screen but priced to satisfy the mid-tier.

Last year, Apple released iPhone 5 with a larger screen but academics claim change in screen size was just not enough for Apple to keep up with the changing dynamic of the competition. Apple’s newest iPhone starts at $650without subsidy, whereas Samsung offers a range of phones starting from as low as $100.

So far, it can only be speculated that Apple will inevitably be intimated by Samsung to follow multi-size, multi-device and hence multi-price strategy. However, manufacturing lower priced iPhones and now enlarged screens all point to one direction.

Apple also for the first time released a smaller version of iPad, with a 7.9 inch screen. The standard iPad that made its debut in 2010 had a 9.7 inched display.

The screen sizes of the iPhone 5S and 5C, ready to be unveiled next week. are not expected to change, WSJ reported.