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 ...

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

Abstract: The mid-rise time-to-digital converter (TDC), e.g., a binary (bang-bang) phase detector and other few-bit TDCs, is commonly used as the phase detector (PD) in a digital phase locked loop ...