A comprehensive article is available on the selection of a cellular phone. Important selection criteria like phone hardware (processor, memory, etc.), software (Operating Systems, applications, etc.), and other features (2G, 3G ete., and accessories) have been discussed thoroughly.
Mobile Phone Selection Guid (http://www.tutorialsweb.com/Cellular/index.htm)e Cellular Phones
The contents include the following:
1. Introduction to Cellular Phones
a. Hardware like Processors, Memory, Battery life, and Keypads
b. Mobile phone Operating Systems
i. Apple iOS
ii. Google Android
iii. Microsoft Windows phone 7
iv. Nokia Symbian
v. BlackBerry OS
vi. Bada OS
2. Wireless Network Technologies
a. GSM (Global System For Mobile Communication)
b. CDMA (Code Division Multiple Access)
c. iDEN (Integrated Digital Enhanced Network)
3. Cell phone Technologies: 1G, 2G, 2.75G (GPRS), 3G (EDGE), 3.5G (UMTS), and 4G (HSDPA)
4. Features
a. Camera in mobile phones
b. Accessing internet from mobile phones
c. VoIP
d. Applications
e. Interfaces-wired like USB and HDMI
f. Interface-wireless like Wi-Fi, Bluetooth, and Infrared
g. Call management
h. Audio/Video formats in mobile phones
i. Single SIM v/s Dual SIM mobile phones
j. Lost cell phone tracking
5. Features-physical
a. Electrical specifications
b. Form factor and weight
6. References
Highly recommended for those who are intending to buy a high-end cell phone.