Coverage - Cell and WiFi Test

常见问题

• What is app coverage?
  A critical metric for assessing 'release readiness' is application coverage. Application coverage is the aggregation and correlation of code coverage from various testing techniques. By aggregating code coverage from all testing practices, organizations can have better visibility into risky areas of the application.
• How can I check my signal strength in my area?
  Android users have the signal strength feature hidden deep down in Settings. Go to the Settings app > About phone > Status > SIM status > Signal Strength. You will see numbers expressed in dBm (decibel milliwatts).
• How can I check my mobile coverage?
  Go into the Phone app and switch to the Keypad, as you would do to dial a phone number. Dial *3001#12345#* and press the Call button. This will launch the Field Test Mode app and where the bars/dots were in the top left corner of the screen, you'll now see a negative number.
• What cell phone carrier has the best signal strength?
  Verizon Wireless: ★ ★ ★ ★ ★ Without question, Verizon's 4G LTE network has the best coverage, with 70% nationwide coverage, followed by AT&T with 68%, T-Mobile with 62%, and Sprint with 30%. Because of Verizon's robust network coverage, Let's Talk ranks Verizon as the winner, with the most coast-to-coast coverage.