iPhone 15 Pro and iPhone 15 Pro Max models will come with many new features- said tech analyst Jeff Pu. image credit: Google

The new iPhones could come with a titanium frame, solid-state buttons with haptic feedback, and more RAM. image credit: Google

All iPhone 15 models are also expected to get USB Type-C connectivity image credit: Google

The iPhone 15 Pro is also expected to adopt two new haptic engines to power the new solid-state buttons for the volume rockers and power button. image credit: Google

The iPhone 15 lineup is expected to get four models – the iPhone 15, the iPhone 15 Plus, the iPhone 15 Pro and the iPhone 15 Pro Max or the iPhone 15 Ultra. image credit: Google

All four models may get a USB Type-C port and will use the Snapdragon X70 5G modem from Qualcomm to achieve 5G and LTE connectivity. image credit: Google

The iPhone 15 lineup will include a 6.1-inch, 6.7-inch iPhone 15 Plus,6.1-inch iPhone 15 Pro, and 6.7-inch iPhone 15 Pro Max, reports MacRumors. image credit: Google

He also expects 8GB of RAM in the Pro models, up from 6GB in the iPhone 14 Pro models, according to the report. image credit: Google

The telephoto lens on the iPhone 15 Pro Max to feature periscope technology for increased optical zoom. image credit: Google

The iPhone 15 and iPhone 15 Plus will have a 48-megapixel rear camera lens. image credit: Google