Covering the physical basics, I/O interfaces, communication protocols, and the file system located on the SIM card, you’ll get the answer to “what on Earth is PIN2 for?” along the way.
Nokia 230 Dual SIM mobile was launched in November 2015. The phone comes with a 2.80-inch display offering a resolution of 240x320 pixels. Nokia 230 Dual SIM is powered by an one-core processor. The ...