It looked like it was getting worse starting in iOS 11, but iOS 14 and iOS 15 gave it a much-needed facelift. Maybe one day the Field Test tool will be just as useful as it was on iOS 10 and under. The "Measured RSSI" number may also be noteworthy since it stands for "received signal strength indicator," but again, in my experience, this is nowhere near accurate. For instance, some people say you can use "Measured RSRP" to calculate your actual reception, but it's completely inaccurate in my experience. This Is as Good as It Getsįor iPhones not running Intel cellular radio chips, you can still dig through the Field Test menu to get an idea of what your reception is like, but none of it is very accurate. 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.įor my iPhone running iOS 14, the reading is between -102 and -112, which means "Good" to "Fair." I don't actually have a SIM card in this device, but you'll still be able to see signal strength for the closest towers. 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, in my case, my iPhone running iOS 11 is reading -100, which falls into the "Good" category of reception. Then, compare your dBM to the ones in the list below. The larger the negative number is, the worse your reception is. The closer the negative number is to 0, the better your reception is. The number should be displayed as a negative number since that's how dBm signal strength is measured. Step 3: Determine Your Real Receptionįor our purposes here, you'll only want to pay attention to the rsrp0 or rsrp numbers, which will be closest to the digits that would appear in your status bar in iOS 10 and older. In the Dashboard (left) and All Metrics (right) on iOS 14. If you see the Field Test menu that looks like the one on the left below, you don't have an Intel chip, but if it looks like the one on the right, you do have an Intel chip, and you can proceed. So, open up your Phone app to the "Keypad" tab, type in that code above, then follow it up by hitting the green call button. This can be done exactly like before in iOS 10 and under, using the following code. To see your current signal strength in actual numbers, you'll need to enter Field Test mode on your iPhone. However, some models with Qualcomm wireless modems have had issues in the past, so you're mileage may vary. Most iPhone models running iOS 11, iOS 12, iOS 13, iOS 14, and iOS 15 will let you view your 4G LTE or 5G reception strength to the nearest cell tower using Field Test mode. However, there is a way in iOS 11, 12, 13, 14, and 15 for you to see your signal strength in dBm still - you just won't get the convenience of it sticking around in your status bar. This is an iPhone running iOS 10.3.3 with the dBm in the status bar.Įventually, all good things must end, and iOS 11 broke this trick, so there's no way for you to change to dBm anymore in your status bar if you want more exact reception data.
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