Iphone Says No Sim Card Installed When There Is One +picture
"This botheration can alone be apparent back you reboot your iPhone," the person, who is an AT&T customer, wrote in an e-mail. "Everything abroad fails —restore, abatement of the SIM, etc."
When users acquaintance a SIM-card-related error, basal functions including authoritative buzz calls, sending argument messages, and application adaptable abstracts become unavailable, as the handset cannot accomplish a affiliation with the wireless abstracts provider.
The iPhone 4S is a "world phone," which agency its redesigned antenna and centralized apparatus are accordant with both CDMA and GSM carriers. Micro SIM cards placed in the iPhone 4S are alone acclimated by GSM carriers to analyze a subscriber and admission them admission to a carrier's wireless network.
But while alone GSM carriers, like AT&T in the U.S., use the micro SIM aperture on the iPhone 4S, users on CDMA carriers, like Verizon and Sprint, accept additionally appear experiencing SIM-card-related errors. iPhone 4S units awash through CDMA carriers appear with a "roaming SIM" installed, which allows CDMA barter to roam common on GSM networks.
"No account on my white 32 GB 4S on Verizon," user 'racyb' wrote in October. "Did a abeyance and reboot....it went into analytic approach and assuredly begin Verizon afresh afterwards 1 minute. What is activity on?"
Since the absolution of iOS 5.0.1 beforehand this month, addition cilia at the Apple Support Communities website appearance added users who say the problems began occurring afterwards they adapted their iPhone 4S. Some say their iPhone displays abounding arresting reception, yet absurdity letters like "Call Failed" and "Invalid SIM" abide to display.
"Same botheration actuality in Brazil," user 'GuiMedrado' wrote on Wednesday. "Bought my 4S - 32GB apart in Switzerland and couldnt' accomplish it assignment afterwards advance to 5.0.1. Any solution?"
The iOS 5.0.1 amend was appear beforehand this ages in an attack to abode array activity issues appear by some users. But some battery-related problems accept remained, and Apple has about said it is still alive to fix those issues.
One rumor this anniversary claimed that Apple will affair a new update, iOS 5.0.2, no after than abutting anniversary in a additional attack to advance array activity with iOS 5. There was no acknowledgment of any fixes for SIM agenda issues or absurdity messages.