PDA's are small handheld devices that combine computing, telephone, Internet and networking features. PDA Phones are PDA's with more phone capabilities. Smartphones' features are usually more oriented towards mobile phone options than the PDA-like features.
Is it possible to plug in a standard 3.5mm headphone jack
Does the phone have a display, usually the case for smartphones
Does the phone have a physical keyboard attached
Allows you to load two SIM cards and therefore have two phone numbers on the phone
Will the phone be able to handle water immersion with ease
Gold, Silver, Green, Grey
The date when this device was launched and first available for purchase
Apple iOS 13
Rear camera resolution
Front camera resolution
Power & Battery
Type can be either monochrome or color. TFT is a common color display and others are CSTN, TFT, TFD and OLED.