iPhone 4S displays ‘No Service’ or ‘No SIM Card Installed’
In certain situations, iPhone 4S may have difficulty recognizing a micro-SIM card, resulting in the following behaviors:
"Invalid SIM" or "No SIM Card installed" alert appears intermittently.
Status bar displays "No Service" or "Searching" in a location with good network coverage.
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iPhone 4S displays ‘No Service’ or ‘No SIM Card Installed’
In certain situations, iPhone 4S may have difficulty recognizing a micro-SIM card, resulting in the following behaviors:
"Invalid SIM" or "No SIM Card installed" alert appears intermittently.
Status bar displays "No Service" or "Searching" in a location with good network coverage.
Subscribe to Applenews247.Com Newsletter