想象一下(Imagine)，当 iPhone显示未安装SIM 卡(SIM Card)时，您正忙着享受一天并滚动浏览您的 iPhone。令人沮丧，不是吗？ (Disheartening, isn’t it? )由于其体积小且位置隐蔽，SIM卡大多被遗忘，直到它坏掉。它本质上是您手机的支柱，因为这项令人惊叹的技术能够拨打电话和向世界的另一端发送信息，同时还可以轻松访问互联网。通过本指南，我们将修复没有安装 SIM 卡(No SIM Card)的 iPhone 错误。
如何修复没有检测到 SIM 卡(Fix No Sim Card Detected)的iPhone 错误
您的 iPhone，没有有效的SIM卡，就不再是一部手机。它成为日历、闹钟、计算器、媒体播放器和相机工具。了解SIM卡是什么以及做什么，将帮助您了解诊断和纠正未检测到 SIM 卡(No SIM Card Detected)或无效 SIM 卡(Invalid SIM Card)iPhone 问题的过程。
SIM 代表用户身份模块(Subscriber Identity Module )，因为它包含允许您的手机使用服务提供商提供的语音、文本和数据设施的身份验证密钥。它还包含将您与移动网络上的所有其他手机、智能手机和 iPhone 用户区分开来的微小信息。旧款手机使用SIM卡存储联系人列表；iPhone 将联系人详细信息存储在 iCloud、您的电子邮件帐户或 iPhone 的内部存储器中。随着时间的推移，SIM卡的尺寸已经缩小到微米和纳米尺寸。
什么导致没有安装 SIM 卡(No SIM Card Installed)的iPhone 问题？
很难确定 iPhone 说没有安装SIM卡的确切原因。这也是，突然，在奇怪的时候。最常见的原因是：
- 无法完全定义的系统错误。(system bug)
- iPhone变得太热了。(iPhone becoming too hot.)
-
SIM 卡(SIM cards)可能有故障或损坏(faulty or damaged)。
下面给出了解决没有 SIM(No SIM)卡检测到 iPhone 错误的解决方案列表。
方法1：检查您的移动帐户
首先，您应该检查您的网络运营商计划(Network Carrier Plan)是否是最新的、合法的并满足余额或账单支付要求。如果您的电话服务已中断或暂停，您的SIM卡将不再起作用并导致无 SIM 卡(No SIM Card)或无效 SIM 卡(Invalid SIM Card)iPhone 错误。在这种情况下，请联系您的网络提供商以恢复服务。
方法2：重启你的iPhone
重新启动任何设备有助于解决与之相关的小问题和故障。因此，要修复没有安装 SIM 卡(No SIM Card)的iPhone 问题，您可以尝试如下所述重新启动它。
适用于 iPhone 8、iPhone X 或更新机型(For iPhone 8, iPhone X, or later models)
1.同时按住锁定(Lock)+Volume Up/ 音量调低(Volume Down)按钮。
2. 按住按钮直到显示滑动关机(slide to power off)选项。
3. 现在，释放所有按钮并将滑块滑动(swipe)到屏幕右侧(right)。
4. 这将关闭 iPhone。等待(Wait )几分钟。
5. 按照步骤 1(step 1)重新开启。
适用于 iPhone 7 和 iPhone 7 Plus(For iPhone 7 and iPhone 7 Plus)
1.同时按住降低音量(Volume Down)+锁定( Lock )按钮。
2. 当您在屏幕上看到Apple 标志(Apple logo)时松开按钮。
适用于 iPhone 6S 及更早机型(For iPhone 6S and earlier models)
1. 同时按住Home + Sleep/Wake按钮。
2. 这样做直到您在屏幕上看到Apple 标志(Apple logo)，然后松开这些键。
另请阅读：(Also Read:) 如何修复 iPhone 冻结或锁定(How to Fix iPhone Frozen or Locked Up)
方法3：更新iOS
通常情况下，您的设备需要定期更新才能正常运行。Apple不断致力于解决错误和错误补丁。因此(Hence)，操作系统的新更新将有助于解决SIM卡问题。要将您的 iOS 更新到最新的可用版本，请执行以下步骤：
1. 进入设置(Settings)
2. 点击常规(General)。
3. 现在，点击软件更新(Software Update)，如图所示。
4. 如果有可用的 iOS 更新，请点击下载并安装更新。(Download and Install Update.)
5. 输入您的密码(passcode)进行确认。
如果您的 iPhone 已经在最新版本中运行，请尝试下一个修复程序。
方法 4：检查 SIM 卡托盘
确保(Make)可从 iPhone 侧面访问的SIM卡托盘已完全锁定。如果不是，SIM卡将无法正确读取，并可能导致 iPhone在弹出一条错误消息时说未安装SIM卡。(SIM)
方法 5：取出(Remove)并重新插入 SIM(Re-insert SIM)卡
几乎，您的 iPhone 的完整功能取决于精致的SIM卡。如果您的设备不慎跌落，或者SIM卡托盘被卡住，则SIM卡可能会晃动错位或损坏。要检查它，
1.关闭(Turn off)你的 iPhone。
2. 将 SIM 托盘顶针(ejector pin)插入托盘旁边的小孔中。
3. 施加一点压力将其弹出(pop it open)。如果托盘特别难以拆卸，则表示插入不正确。
4.取出(Take out)SIM 卡并检查是否损坏。
5.用柔软的干布清洁(Clean) SIM 卡和托盘插槽。(the SIM & tray slot)
6. 如果SIM卡看起来不错，轻轻将(place) SIM 卡(the SIM card)放回托盘中并配置您的 SIM 卡(provision your SIM Card)并配置您的 SIM 卡(provision your SIM Card)。
7.再次将托盘(the tray)重新插入(Re-insert) 您的 iPhone。
另请阅读：(Also Read:) 如何重置 Apple ID 安全问题(How to Reset Apple ID Security Questions)
方法六：使用飞行模式
在这种方法中，我们将使用飞行模式(Airplane Mode)功能来刷新网络连接，并可能修复无效的SIM卡 iPhone 问题。
1. 转到 iPhone 上的设置(Settings)应用程序。
2. 开启飞行模式(Airplane Mode)选项。
3. 在飞行模式下，按照(Airplane Mode)方法 1(Method 1)中的说明执行硬重启。
4. 最后，再次点击飞行模式，将其(Airplane Mode)关闭(off)。
检查这是否可以解决没有安装 SIM 卡(No SIM Card)的 iPhone 问题。如果没有，请尝试下一个解决方案。
方法 7：重置网络设置
如果您继续收到错误或无效的SIM卡 iPhone 警报，可能是由于您的手机网络设置中存在技术错误，包括Wi-Fi、蓝牙(Bluetooth)、蜂窝数据和VPN。摆脱这些错误的唯一方法是重置您的网络设置。
注意：(Note:)此重置(Reset)将删除您可能存储在设备上的所有Wi-Fi、蓝牙(Bluetooth)、VPN身份验证密钥。(VPN)建议您记下所有相关密码。
您可以尝试重置您的网络设置来修复iPhone说没有安装SIM卡时有一张，如下：
1. 进入设置。(Settings.)
2. 点击常规。(General.)
3. 向下滚动并点击重置(Reset)，如图所示。
4. 最后，点击重置网络设置(Reset Network Settings)，如上图所示。
方法 8：重置你的 iPhone
如果您已经尝试了所有其他方法并且您的手机仍然面临SIM卡问题，那么执行出厂重置是您最后的选择。
注意：(Note:)在进行恢复出厂(Factory Reset)设置之前，请确保备份所有重要数据。
要重置您的 iPhone，请按照以下步骤操作：
1. 进入Settings > General > 重置(Reset)，按照之前的方法进行。
2. 在这里，选择擦除所有内容和设置(Erase All Content and Settings)，如突出显示的那样。
3. 输入您的密码(passcode)以确认重置过程。
4. 最后，点击抹掉 iPhone(Erase iPhone)。
这当然应该修复所有与软件/系统相关的错误和故障。如果这不起作用，您现在需要遵循与硬件相关的解决方案。
方法 9：尝试不同的 SIM 卡
现在，必须排除SIM卡本身的问题。
1. 取一张不同的 SIM 卡(different SIM card)并将其插入您的 iPhone。
2. 如果No SIM Card detected iPhone 或Invalid SIM Card iPhone 错误消失，可以假设您的SIM 卡有问题(SIM card is faulty)，您应该换一张新的。
3. 如果问题仍然存在，则说明您的 iPhone 存在硬件问题(hardware issue)。
现在，您需要：
常见问题 (FAQ)(Frequently Asked Questions (FAQ))
Q1。SIM 卡槽在哪里以及如何打开？(Q1. Where is the SIM slot and how to open it?)
为了保护您的SIM卡安全，所有 iPhone 都使用SIM卡托盘。要解锁它，请使用位于 iPhone SIM托盘旁边的孔中的弹出销移除(ejector pin)SIM托盘。Apple有一个专门的页面，解释了每个 iPhone 型号上SIM托盘的精确位置，以及如何移除和重新插入它。只需(Simply)点击此处了解如何操作(click here to learn how.)。
受到推崇的：(Recommended:)
我们希望我们的指南对您有所帮助，并且您能够修复 iPhone 在出现(fix iPhone says No SIM Card installed when there is one) 问题时显示未安装 SIM 卡。如果您喜欢这篇文章或有任何疑问或建议，请将它们放在下面的评论部分。
Fix No SIM Card Installed Error on iPhone
Imagіne you are busy enjoying your day and scrolling through yоur iPhone when iPhone says No SIM Card installed when there іs one. Disheartening, isn’t it? Because of its small size and hidden location, the SIM card is mostly, forgotten until it breaks down. It is essentially the backbone of your phone as this stunning piece of technology is capable of making calls and sending messages to the other side of the world, while allowing easy access to the internet. Through this guide, we shall fix No SIM Card installed iPhone error.
How to Fix No Sim Card Detected iPhone Error
Your iPhone, without a working SIM card, is no longer a phone. It becomes a calendar, alarm clock, calculator, media player, and camera tool. Knowing what a SIM card is and does, will help you learn the process of diagnosing and correcting the No SIM Card Detected or Invalid SIM Card iPhone problem.
SIM stands for Subscriber Identity Module as it contains the authentication keys that allow your phone to use the voice, text, and data facilities offered by your service provider. It also contains tiny bits of information that separate you from all the other phones, smartphones & iPhone users over the mobile network. While older phones used SIM cards to store the list of contacts; the iPhone stores contact details on iCloud, your email account, or in the internal memory of your iPhone instead. With time, the size of SIM cards has been reduced to micro & nano sizes.
What causes the No SIM Card Installed iPhone issue?
It is difficult to pinpoint the exact reason why iPhone says no SIM card installed when there is one. And that too, suddenly, at odd times. The most commonly reported reasons are:
- A system bug that can’t be entirely defined.
- iPhone becoming too hot.
-
SIM cards may be faulty or damaged.
Given below is a list of solutions to fix No SIM card detected iPhone error.
Method 1: Check your Mobile Account
First and foremost, you should check if your Network Carrier Plan is up-to-date, legitimate, and fulfills balance or bill payment requirements. If your phone service has been discontinued or suspended, your SIM card will no longer function and cause No SIM Card or Invalid SIM Card iPhone errors. In this case, contact your network provider to resume services.
Method 2: Reboot your iPhone
Restarting any device helps fix minor issues & glitches associated with it. Thus, to fix the No SIM Card installed iPhone issue, you can try restarting it as explained below.
For iPhone 8, iPhone X, or later models
1. Press and hold the Lock + Volume Up/ Volume Down button at the same time.
2. Keep holding the buttons until the slide to power off option is displayed.
3. Now, release all the buttons and swipe the slider to the right of the screen.
4. This will shut down the iPhone. Wait for few minutes.
5. Follow step 1 to turn it on again.
For iPhone 7 and iPhone 7 Plus
1. Press and hold the Volume Down + Lock button together.
2. Release the buttons when you see the Apple logo on the screen.
For iPhone 6S and earlier models
1. Press-hold the Home + Sleep/Wake buttons simultaneously.
2. Do so until you see the Apple logo on the screen, and then, release these keys.
Also Read: How to Fix iPhone Frozen or Locked Up
Method 3: Update iOS
More often than not, what your device needs for proper functioning are regular updates. Apple constantly keeps working on bugs and error patches. Hence, a new update of the operating system will assist in resolving SIM card problems. To update your iOS to the latest available version, follow these steps:
1. Go to Settings
2. Tap on General.
3. Now, tap on Software Update, as shown.
4. If an iOS update is available, tap on Download and Install Update.
5. Enter your passcode to confirm.
If your iPhone is already operating in the most recent version, try the next fix.
Method 4: Check SIM Card Tray
Make sure that the SIM card tray that is accessible from the side of your iPhone is completely locked. If it isn’t, the SIM card wouldn’t be read properly and might cause iPhone to say no SIM card installed when there is one error message to pop-up.
Method 5: Remove & Re-insert SIM card
Almost, complete functioning of your iPhone is dependent on the delicate SIM card. If your device was mistakenly dropped, or the SIM tray is jammed, the SIM card might have jiggled out of place or suffered damage. To check for it,
1. Turn off your iPhone.
2. Put the SIM tray ejector pin into the tiny hole next to the tray.
3. Apply a bit of pressure to pop it open. If the tray is particularly difficult to detach, it means that it was inserted incorrectly.
4. Take out the SIM card and check for damage.
5. Clean the SIM & tray slot with a soft, dry cloth.
6. If the SIM card looks fine, gently place the SIM card back into the tray & provision your SIM Card & provision your SIM Card.
7. Re-insert the tray into your iPhone again.
Also Read: How to Reset Apple ID Security Questions
Method 6: Use Airplane Mode
In this method, we will use the Airplane Mode feature to refresh the network connection and possibly, fix invalid SIM card iPhone issue.
1. Go to the Settings app on your iPhone.
2. Toggle ON the Airplane Mode option.
3. In Airplane Mode, perform a hard reboot as explained in Method 1.
4. Lastly, tap on Airplane Mode once again, to turn it off.
Check if this could fix No SIM Card installed iPhone issue. If not, try the next solution.
Method 7: Reset Network Settings
If you continue to get an erroneous or invalid SIM card iPhone alert, it could be due to a technical bug in your phone network settings which includes Wi-Fi, Bluetooth, cellular data, and VPN. The only way to get rid of these bugs is to reset your network settings.
Note: This Reset will delete all Wi-Fi, Bluetooth, VPN authentication keys you may have stored on your device. It is suggested that you make a note of all relevant passwords.
You can try resetting your network settings to fix iPhone says no SIM card installed when there is one, as follows:
1. Go to Settings.
2. Tap on General.
3. Scroll down and tap on Reset, as shown.
4. Lastly, tap Reset Network Settings, as depicted above.
Method 8: Reset your iPhone
If you’ve tried everything else and your handset is still facing SIM card issues, performing a factory reset is your last resort.
Note: Before proceeding with Factory Reset, make sure to backup all important data.
To reset your iPhone, follow these steps:
1. Go to Settings > General > Reset, as instructed in the previous method.
2. Here, select Erase All Content and Settings, as highlighted.
3. Enter your passcode to confirm the reset process.
4. Finally, tap Erase iPhone.
This should certainly fix all software/system-related bugs & glitches. If this doesn’t work, you will now need to follow hardware-related solutions.
Method 9: Try a Different SIM card
Now, it is imperative to rule out problems with the SIM card, itself.
1. Take a different SIM card and insert it into your iPhone.
2. If the No SIM Card detected iPhone or Invalid SIM Card iPhone error disappears, it is fair to assume that your SIM card is faulty and you should get a new one.
3. If the issue still persists, there’s a hardware issue with your iPhone.
Now, you need to:
- Replace your SIM card by contacting your network carrier.
- Visit the Apple Support Page.
- Reach out to the tech experts at the nearest Apple Store.
Frequently Asked Questions (FAQ)
Q1. Where is the SIM slot and how to open it?
To keep your SIM card safe, all iPhones utilize a SIM card tray. To unlock it, remove the SIM tray by using an ejector pin in the hole located next to the iPhone SIM tray. Apple hosts a dedicated page that explains the precise position of the SIM tray on each iPhone model, and how to remove & re-insert it. Simply, click here to learn how.
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We hope our guide was helpful and you were able to fix iPhone says No SIM Card installed when there is one issue. If you liked this article or have any queries or suggestions, drop them in the comment section below.
