NoSIMcardinstalled

1TheSIMisn'tinsertedproperly.·2YourSIMisdirty.·3TheSIMslotortrayisdirtyorclogged.·4TheSIMiswornoutordamaged.·5Youneedtodoa ...,2022年8月26日—HowtoFixaNoSIMCardErroronAnyDevice·Fix1:Restartyourphone·Fix2:MakesuretheSIMcardiswellpositionedandingoodcondition.,2023年10月23日—Method1.Pressandholdthe'VolumeDown'and'Power'buttonsatthesametimeforatleast7seconds.Yourdeviceshouldrestartafterthis.,2023年...

參考資訊如下
12 Easy Fixes for When Your Phone Says There's No SIM ...

1 The SIM isn't inserted properly. · 2 Your SIM is dirty. · 3 The SIM slot or tray is dirty or clogged. · 4 The SIM is worn out or damaged. · 5 You need to do a ...

12 Easy Ways to Fix No SIM Card Error Installed on iPhone ...

2022年8月26日 — How to Fix a No SIM Card Error on Any Device · Fix 1: Restart your phone · Fix 2: Make sure the SIM card is well positioned and in good condition.

How to fix 'No SIM Card Detected' error on Galaxy phone

2023年10月23日 — Method 1. Press and hold the 'Volume Down' and 'Power' buttons at the same time for at least 7 seconds. Your device should restart after this.

If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad

2023年9月21日 — If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps.

If you see Invalid SIM or No SIM on your iPhone or iPad

2023年10月4日 — If you receive an alert that says Invalid SIM or No SIM Card installed, follow these steps.

iPhone Says "No SIM"? Fix It in 9 Easy Steps

2022年2月22日 — If you're still struggling with an invalid SIM card message, it could be due to a software error within your phone's network settings. This ...

The 'No SIM' or 'Invalid SIM' Issue on Your iPad or iPhone

2023年7月6日 — This could be due to a dislodged SIM card or tray, a system glitch, damaged SIM card, or an unstable software update. Regrettably, except for a ...

What to Do When Your iPhone Says 'No SIM'

2022年9月29日 — Remove the iPhone SIM card and reset it. · Restart iPhone. · Turn Airplane Mode On and Off. · Update iOS. · Make sure your phone account is valid.

Why Does My iPhone Say "No SIM Card Installed"?

2022年10月5日 — It is very common for an iPhone to display an error message No Sim Card Installed or Invalid SIM. In most cases the reasons are unknown ...