Apple has always done a very good job at innovating and bringing new technology to people.
I had used this phone a long time ago and it was a lil outated even then. But despite its age it performed very well.
iPhone 3gs was launched sometime in June 2009. The phone has a 3.5 inch touchscreen display with a resolution of 320 by 480 pixels. It offers a clarity at ppi of 165 pixels per inch.
It is powered by a 600 mhz processor and it provides 256MB of ram. The phone I used was 32GB version of internal storage can’t be expanded. The camera is 3.15 mega pixwl shooter on the rear and no secondary camera.
It runs iOS 6.1.3. It is abt 12 mm thick and weighs about 135 grams.
Iis a single gsm sim smartphone with connectivity options such as Wi-Fi, GPS, Bluetooth. It has some interesting sensors like proximity sensor, ambient light sensor and an accelerometer.
Didnt experience any problems as such and would definitely recommend trying iphones.