The iPhone 7 has been available for about a month, and we think it’s a great smartphone. But until now, you’ve had to have your new iPhone to a carrier, even if you bought it off contract. Not any ...
When your iPhone iPhone 7 shows ‘No Service,’ ‘Searching…’ or ‘Invalid SIM,’ you lose cellular connectivity entirely. This can be due to SIM card problems, carrier settings, or software glitches.