How do I check my signal strength on my iPhone?

You can check your iPhone signal strength by using its secret Field Test mode. Open the Phone app and dial *3001#12345#*on the keypad. In a few seconds, you’ll see a mishmash of numbers.

How do I get my iPhone to show signal strength in numbers instead of bars?

Force iPhone to show numerical value for signal strength

  1. Open the Phone app and from the keypad dial *3001#12345#* and then tap the call button.
  2. Once in Field Test mode, you will see a negative number instead of the five dots in the upper-left corner.

How do I enable numeric signal strength on my iPhone?

How to enable numeric signal strength on an iphone

  1. Press the Home button to launch the phone’s home screen.
  2. Tap on Phone > Keypad > Dial *3001#12345#* and tap on Call.
  3. As soon as you tap the Call button, the Field Test app will open.
  4. There you have it!
  5. To switch back to bars/dots, repeat Steps 2 – 4.

How can I get better sprint signal on my iPhone?

Improve your network experience

  1. Restart your phone to refresh the wireless signal.
  2. Connect to Wi-Fi.
  3. Perform routine software updates on your device.
  4. Update the Preferred Roaming List (PRL) on your device to enhance connections and prolong battery life.
  5. Refresh your phone’s data profile.

How do I change my iPhone signal to DB?

Tap the keyboard tab then dial *3001#12345#*. Your iPhone will now launch Field Test. Notice your strength bars have been replaced with a number. This number is your reception strength measured in decibels.

What should the signal strength be on my iPhone?

Typically, the strongest signal you can obtain on your iPhone is -50 dBm. If you have anything less than -100 dBm, you likely won’t have any service. For full functionality, aim for a signal strength between -50 dBm and -80 dBm.

Why do I get 4 / 4 signal on my iPhone?

You can also see that my signal bars are 4/4, which is likely because that fourth bar includes everything from the “Good” category and higher. So, while the reception may be good, it’s not the best it could be, though you will rarely experience “Excellent” reception unless you are standing next to a cell tower, even if your iPhone says 4/4 bars.

How can I tell if my iPhone signal is weak?

However, because there’s no actual unit of measurement, you can’t be certain exactly how strong or weak your signal is. The standard industry measurement for cellular signal strength is decibel milliwatts, or dBm. You can find this measurement on your iPhone only when you’re in field test mode.

What does four bar signal mean on iPhone?

You might also see that your signal bar is going strong at four bars. Because four bars indicate a good+ signal strength, you have a reliable read. But while the reception may be good, it may not be the best there is. If you want to get to ‘excellent,’ you’ll probably have to be right next to a cell tower, though.