Seeing “No SIM” or “Invalid SIM” on iPhone? Check your SIM card, restart, or update your carrier settings. Simple fixes often ...

When a smartphone failed to detect the SIM card, it’s either due to a software glitch or could be an indication of a damaged SIM card or SIM card tray. Generally, the problem is either on the software ...

Error prompts are programmed to let you know of what went wrong and what must be done to fix it. These errors may denote an issue on the software if not hardware ...

Setting up and activating a new iPhone is usually a very smooth and straightforward process. But occasionally, there can be an odd hiccup here and there, especially when your iPhone says there’s no ...

Although cell phones have changed significantly in the last few decades, they still need a SIM. Some phones have moved to eSIMs, but many still use physical SIM cards. If you have a working phone, ...

We previously reported that a tiny handful of iPhones shipped without SIM cards, while significantly more units have generated the error message "No SIM card ...

A popular topic on Weibo a few days ago was that some iPhones were showing “No available SIM card”. Within a few hours, many users had reported a similar issue. This issue can be frustrating and ...

The Subscriber Identity Module, or SIM, used with GSM iPhones does not affect network reception; however, if you're unable to connect to the network to send or ...