![]() Unfortunately, with the exception of a misplaced or damaged SIM card, the cause of your iPhone’s “No SIM” card error isn’t always readily apparent. As a result, there are a number of things that can cause the “Invalid SIM” message to appear on your iPhone. Yet, they contain an outsized amount of information and, consequently, power. When a SIM card malfunctions or isn’t recognized, however, those functions effectively grind to a halt.Īs anyone who has ever struggled to place a SIM or other minuscule memory card into its tray knows, SIM cards are tiny, finicky things. It connects you to your carrier’s mobile network and allows you to do things like make and receive calls and texts and use cellular data. Short for subscriber identity/identification module, your phone’s SIM card is a tiny memory card that stores crucial identifying information like your phone number, billing details, and cellular provider. Simply put, a SIM card is what makes your iPhone a phone. With a few minutes and some quick-and-painless troubleshooting checks, you should be well on your way to determining the cause of your “No SIM” error and getting the phone part of your smartphone back up and running again. Never fear, your iPhone probably isn’t ready for the junk drawer just yet (and if it is, just send it to us instead ). Remove and Reinsert Your SIM Card and Tray Confirm You Have an Active Plan With Your Carrier When yours stops working, it’s enough to make you google “Invalid SIM” or “No SIM iPhone” faster than you’ve ever googled before. Just swap out the pint-sized scissors, diminutive corkscrew, and unusably small nail file for a calendar, alarm clock, calculator, web browser, and cutting-edge camera. Without a SIM card, however, your iPhone is essentially a glorified Swiss Army knife. With it, your iPhone is a dazzling piece of modern technology – able to make calls to the other side of the globe, fire off texts, and access the internet in the middle of nowhere with ease. Last metadata expiration check: 0:00:27 ago on Fri 04:25:34 PM CDT.Blame it on its minuscule size and hidden location, but a SIM card is one of those things you tend to forget about until it stops working. Rhel-8-for-x86_64-baseos-rpms: using metadata from Wed 02:23:27 AM CDT. Repo: using cache for: rhel-8-for-x86_64-baseos-rpms Rhel-8-for-x86_64-appstream-rpms: using metadata from Thu 08:46:51 AM CDT. Repo: using cache for: rhel-8-for-x86_64-appstream-rpms User-Agent: constructed: 'libdnf (Red Hat Enterprise Linux 8.5 generic Linux.x86_64)' Loaded plugins: builddep, changelog, config-manager, copr, debug, debuginfo-install, download, generate_completion_cache, groups-manager, kpatch, needs-restarting, playground, product-id, repoclosure, repodiff, repograph, repomanage, reposync, subscription-manager, uploadprofile Last metadata expiration check: 0:00:01 ago on Fri 04:25:34 PM CDT. Red Hat Enterprise Linux 8 for x86_64 - BaseOS (RPMs) 5.8 MB/s | 46 MB 00:07 Red Hat Enterprise Linux 8 for x86_64 - AppStream (RPMs) 6.3 MB/s | 40 MB 00:06 It is disabled for org "SubOrgID" because of the content access mode vars]# subscription-manager release -set=8.5 The registered system name is: serverName.localdomain The system has been registered with ID: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx The system with UUID xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx has been unregistered RedHat Portal account > Systems > serverName > Details > Subscriptions > Auto-Attach : vars]# subscription-manager register -username 'USERNAME' -password 'PASSWORD' -auto-attach -force Only : '-auto-attach' didn't work and needed to be set from the 're-register'ing also worked for me: subscription-manager register -username 'username' -password 'password' -auto-attach -force Red Hat Enterprise Linux 8 for x86_64 - AppStream (RPMs) 40 MB/s | 20 MB 00:00 Red Hat Enterprise Linux 8 for x86_64 - BaseOS (RPMs) 47 MB/s | 21 MB 00:00 ![]() Satellite-tools-6.7-for-rhel-8-x86_64-rpms Red Hat Satellite Tools 6.7 for RHEL 8 x86_64 ]# yum update Rhel-8-for-x86_64-baseos-rpms Red Hat Enterprise Linux 8 for x86_64 - BaseOS (RPMs) Rhel-8-for-x86_64-appstream-rpms Red Hat Enterprise Linux 8 for x86_64 - AppStream (RPMs) Updating Subscription Management repositories. Release: ]# subscription-manager release -set 8 ![]() for some reason it was set to ]# subscription-manager release -show
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