{"id":12479,"date":"2018-02-28T15:50:19","date_gmt":"2018-02-28T12:50:19","guid":{"rendered":"https:\/\/www.unlockunit.com\/blog\/?p=12479"},"modified":"2018-02-28T17:56:11","modified_gmt":"2018-02-28T14:56:11","slug":"get-rid-invalid-sim-error-iphone","status":"publish","type":"post","link":"https:\/\/www.unlockunit.com\/blog\/get-rid-invalid-sim-error-iphone\/","title":{"rendered":"How to get rid of the invalid SIM error on iPhone"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">One of the most common SIM-related errors on iPhones is \u201cinvalid SIM\u201d, as it appears due to a wide variety of reasons. And if you do get it, you are not able to make or receive calls or texts, two of the main reasons why we still need phones for. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">However, this doesn\u2019t mean that your phone is broken, since the issue can be easily fixed, by going through a series of steps. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Below you will find a detailed guide on how to fix this problem, including a part about what actually causes it. Just keep reading and you will definitely find a solution suitable for your phone. <\/span><\/p>\n<h3><span style=\"font-weight: 400;\">What causes the iPhone invalid SIM issue?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">There is not an exact reason why this is happening, since the causes are actually variable, as it follows: <\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">An improperly placed SIM card<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">A damaged SIM card<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">A glitch in the system<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Water-inflicted damage<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Drop-inflicted damage<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">A faulty software update<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The problem is that, except the improperly placed SIM card, you can\u2019t exactly tell which of these are making your phone to show the \u201cInvalid SIM\u201d error.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">How can I remove the \u201cinvalid SIM\u201d error on iPhone?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">You can try a couple of solutions and see which one actually solves the problem. It\u2019s highly recommended to start with them in this exact order since a lot of users reported that the first one actually solved the problem.<\/span><\/p>\n<p><b>Toggle Airplane mode<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Turning this mode on, then off again can actually solve a lot of network-related problems. Specifically, when it\u2019s on, networks and phone calls are disabled, which automatically caused the iPhone invalid SIM.<\/span><\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-12483 aligncenter\" src=\"https:\/\/www.unlockunit.com\/blog\/wp-content\/uploads\/2018\/02\/iphone-airplane-mode.png\" alt=\"iPhone airplane mode\" width=\"400\" height=\"300\" srcset=\"https:\/\/www.unlockunit.com\/blog\/wp-content\/uploads\/2018\/02\/iphone-airplane-mode.png 400w, https:\/\/www.unlockunit.com\/blog\/wp-content\/uploads\/2018\/02\/iphone-airplane-mode-150x113.png 150w, https:\/\/www.unlockunit.com\/blog\/wp-content\/uploads\/2018\/02\/iphone-airplane-mode-300x225.png 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">By toggling the mode on then off again, your phone should automatically connect to the network, in most cases.<\/span><\/p>\n<p><b>Reboot your iPhone<\/b><\/p>\n<p><span style=\"font-weight: 400;\">A simple restart can solve a lot of problems, including the \u201cinvalid SIM\u201d error. Reboot your phone, by pressing the power button, the slide the button on the display, to turn off the phone.<\/span><\/p>\n<p><b>Check the SIM card tray<\/b><\/p>\n<p><span style=\"font-weight: 400;\">With the phone turned off, remove the SIM card tray and see if it\u2019s properly placed. If you notice that the tray is hard to take out, it\u2019s obvious that the SIM was misplaced.<\/span><\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-12482 aligncenter\" src=\"https:\/\/www.unlockunit.com\/blog\/wp-content\/uploads\/2018\/02\/iphone-sim-tray.jpg\" alt=\"iPhone SIM tray\" width=\"600\" height=\"315\" srcset=\"https:\/\/www.unlockunit.com\/blog\/wp-content\/uploads\/2018\/02\/iphone-sim-tray.jpg 600w, https:\/\/www.unlockunit.com\/blog\/wp-content\/uploads\/2018\/02\/iphone-sim-tray-150x79.jpg 150w, https:\/\/www.unlockunit.com\/blog\/wp-content\/uploads\/2018\/02\/iphone-sim-tray-300x158.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">While the SIM is still out, examine it for a few moments and see if it looks like it took some damage or if the golden parts on it look scratched. If it looks damaged, contact your carrier and ask for a new one. If it\u2019s ok, insert it back in the phone and see if you still get the error. <\/span><\/p>\n<p><b>Reset the network settings<\/b><\/p>\n<p><span style=\"font-weight: 400;\">The invalid SIM error can also be caused by a problem with your carrier, so you can try resetting all the current network settings to solve the problem. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Go to Settings &gt; General &gt; Reset &gt; Reset Network Settings. See if you get the error after doing this. <\/span><\/p>\n<p><b> Check for iOS updates<\/b><\/p>\n<p><span style=\"font-weight: 400;\">As mentioned above, there are situations in which Apple releases a software update that\u2019s not properly optimized and ends up causing errors, including the invalid SIM one. Fortunately, enough, they\u2019re pretty quick at spotting faulty update and immediately release a new variant.<\/span><\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-12485 aligncenter\" src=\"https:\/\/www.unlockunit.com\/blog\/wp-content\/uploads\/2018\/02\/check-for-ios-update.jpg\" alt=\"Check for iOS update\" width=\"700\" height=\"399\" srcset=\"https:\/\/www.unlockunit.com\/blog\/wp-content\/uploads\/2018\/02\/check-for-ios-update.jpg 700w, https:\/\/www.unlockunit.com\/blog\/wp-content\/uploads\/2018\/02\/check-for-ios-update-150x86.jpg 150w, https:\/\/www.unlockunit.com\/blog\/wp-content\/uploads\/2018\/02\/check-for-ios-update-300x171.jpg 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Before you get a pop-up saying that a new update is available, you can check for one manually. Go to Settings &gt; General &gt; About &gt; Software update, and wait until the phone scans for new updates. If there is something available, tap on Download and Install. <\/span><\/p>\n<p><b>Reset your iPhone<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Finally, if none of the methods above worked for you, you might as well reset the iPhone to the factory settings. This will also erase all the content, so it\u2019s highly recommended to backup all your data before doing this. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Go to Settings &gt; General &gt; Reset &gt; Erase All Content and Settings.<\/span><\/p>\n<p><b>Take it to an Apple Store<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Obviously, the last resort is to take your device to an Apple Store and leave the authorized personnel take care of your phone. If it\u2019s still under warranty or if you have Apple Care, you might as well get a new phone, with no issues at all. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Which one of these solutions worked for you? Let us know, by dropping a few lines in the comments section below!<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>One of the most common SIM-related errors on iPhones is \u201cinvalid SIM\u201d, as it appears due to a wide variety of reasons. And if you do get it, you are not able to make or receive calls or texts, two of the main reasons why we still need phones for. However, this doesn\u2019t mean that [&hellip;]<\/p>\n","protected":false},"author":101017,"featured_media":12480,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[152,2406],"tags":[357,2726,2419],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to get rid of the invalid SIM error on iPhone | UnlockUnit<\/title>\n<meta name=\"description\" content=\"One of the most common SIM-related errors on iPhones is \u201cinvalid SIM\u201d, as it appears due to a wide variety of reasons. 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