A SIM card, or subscriber identity module, is a small card in your cellphone that lets you place phone calls, send text ...

You can remove the SIM card from your Samsung Galaxy S10 using the SIM removal tool that came with your phone, or a very thin paperclip.

Melissa Lambarena is a senior writer on the credit cards team at NerdWallet. She has enthusiastically covered credit card-related topics for over nine years. Her prior experience includes nine years ...

This tri-band GSM phone adds a color model to Nokia's "classic" category 6000 series. Key features include world roaming, GPRS high-speed data, J2ME (Java) downloadable applications, and MMS ...

This update to the 3600 provides a revamped, more traditional keypad, like its tri-band cousin, the 3660, and a 65,000-color display. Other key features include Series 60 smartphone platform, ...