iPhone 4 is the fourth smartphone in the seriesonem Applu. The Cupertino technology giant unveiled it to the public in June 2010. It differed significantly from previous models in terms of design and hardware. In terms of design, the back was flattened and the body was thinner, the body is surrounded by a steel frame and the front and back are made of glass. In terms of hardware, the manufacturer equipped the phone with its own chip Apple A4 (previous models used chips Samsungu), compared to its predecessor, it received double the amount of RAM, the display was also improved (it was of the IPS LCD type and had a significantly higher resolution of 960 x 640 px) and the camera, whose resolution was increased to 5 MPx. iPhone 4 was also the first iPhonem, which had a front camera, albeit with a resolution of only 0,3 MPx. We must not forget about the software side either - the new system iOS 4.0 offered multitasking and new videochatFaceTime, which still exists today.
Technical Specifications
| Performance date | 7. June 2010 | |
| Capacity | 8, 16, 32GB | |
| RAM | 512 | |
| Dimensions | 115,2 x 58,6 x 9,3 mm | |
| Weight | 137 g | |
| Display | 3,5" IPS LCD | |
| Chip | Apple A4 | |
| Networks | GSM, HSPA | |
| Camera | 5 MPx | |
| Koneactivity | Bluetooth, 30pin, 3,5mm jack | |
| Battery | 1420 mAh |
