Question

A user reports that their company smartphone frequently drops calls and shows only one bar of cellular signal inside the office, though it worked fine last week and other employees' phones on the same carrier work normally in the same area. Following the CompTIA troubleshooting methodology, which action best establishes a theory of probable cause?

Accepted Answer

Ask what changed recently, such as a new case, a dropped phone, or a carrier/software update, and compare against the working phones

Answer

Immediately perform a factory reset to clear any corrupted network settings

Answer

Replace the phone under warranty since the antenna has clearly failed

Answer

Document the resolution and inform the user the issue is fixed