Piece is about the size of a credit card, albeit it a little thicker, measuring 83 x 55 x 4 mm (3.3 x 2.2 x 0.2 in). Users slot a secondary SIM card (either a Micro SIM or a Nano SIM if used with a ...

Use a SIM ejector tool or paperclip to gently remove the SIM tray. Take out the SIM card and inspect it for damage, such as ...

NTT DoCoMo has announced a new portable SIM card, it has been designed to separate your SIM card from your smartphone, and the company will be showing off a prototype of the device at the Mobile Asia ...

NTT Docomo has announced the development of a wireless Portable SIM prototype that can be waved in front of a compatible smartphone to provide network authentication information. The device could ...

Fix the 'No SIM Card Detected' error on Android with 15 proven solutions. Quick fixes, eSIM troubleshooting, and when to get a replacement SIM.