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How to Choose a Mobile Phone (2022)
Looking for a phone for serious executive work, your grandparents, or simply for taking selfies? We'll help you choose a phone that will serve you well for a long time.
Secondary SIM Card
Indicates the size of a phone's second SIM card. Secondary SIM cards often have smaller dimensions than main SIM cards, and for some phones it is only possible to insert the secondary SIM if you remove the memory card.
Connectors
SIM card type
The decreasing size of phones has led manufacturers to reduce the space for a SIM card. Besides standard SIM cards, you will also come across MicroSIM or NanoSim. Most operators offer a free replacement of the existing SIM card with a different type.
Maximum Memory Card Size
Screen Size
The screen size is measured by the distance between the left bottom and top right corners of the display. The screen size is usually given in inches, with 1"= 2.54cm.
Maximum Battery Life
Package content
Color
How to Use NiCd and NiMH Rechargeable Batteries
Rechargeable batteries require proper storage and handling. The most common are NiCd and NiMH batteries. Find out how to properly store rechargeable batteries for drills and screwdrivers. You'll also learn how and when to recharge them and how to prolong their capacity.