If your Bluetooth device connections seem flakey, or if your Apple wireless keyboard or Magic Mouse isn’t as responsive as you think it should be, there’s an easy way to check Bluetooth signal strength and then make adjustments accordingly. Open System Preferences from the ? Apple menu and click “Bluetooth” Press and hold the Option […]

Here’s how to change the signal strength indicator with a number rather than a signal bar: Launch the Phone app Dial *3001#12345#* Then tap on the Call button, which will launch the Field Test app (or enter the field test mode). You’ll also notice that the signal strength indicator has switched to a number from the […]