There are some apps that you can download to show your signal strength in decibels along with some other information’s. Go to Settings> About Phone, and you will find your numerical strength under either Network or status, and it all depends upon the model of the phone. In Android phones it’s a straightforward task. Simply just reboot the phone or re-load Field Test Mode and exit it through the Home button, to exit the permanent field-test mode While you use your phone you will view numerical signal strength, and also tap the signal numbers to switch to signal bars, and vice versa. Then just be held with your Home button until you have returned to the main app screen. In Field-test mode, you can see a “Slide to Power Off”, when you hold down the power button and release it. If you like your iPhone to show numerical signal strength instead of signal bars, you can perform these process. You can view this mode on all iPhone’s that runs IOS 4.1 and all the latest versions.įollow these instructions if you want to opt for decibels instead of dots: Go back into the settings option and enable WiFi and LTE. Hit the home button, to exit and return your iPhone to a normal status. Move to the location where you want to obtain the readings, while taking the signal readings, just wait for 30 to 60 seconds of time and then record your signal’s strength, network type and also the carrier. Dial *3001#12345#* and press the Call button. Go into the Phone app and switch to the Keypad, as you would do to dial a phone number. Go into Settings > WiFi and turn WiFi Off.įor iOS 9.3 and above: Go into Settings > Cellular > Cellular Data Options > Enable LTE and turn LTE to Off.įor iOS 9.2 and below: Go into Settings > Cellular > Enable LTE and turn LTE to Off. The iPhone Field Test Mode app is a hidden built-in. Sometimes LTE readings are measured completely different from previous generation network so without understanding if a signal is from a LTE network or from the previous network, it’s hard to obtain the results. Keep track of the network (2G, 3G, 4G, LTE, etc.) your phone is connected to, while taking the signal readings. To obtain readings from other carriers, you’ll have to choose a phone for each carrier. The signal reading you choose remains valid only for the phone’s individual carrier.
There are some things that you should have in mind while measuring signals in terms of decibels. In most of our phones we see Field Test mode in the settings options, which shows information regarding your phone, including the signals strength in decibels.
Decibels are defined as a logarithmic units used for measuring the signal strength and are accurate thus making it an ideal solution for communications. These are the assumptions of common people, whereas experts consider measuring signal in decibels. Even though some phones exhibit same number of bars, there is no standardization, so the strength varies from phone to phone even with the same 4 bar signal. Some phones determine their signal strength on a 5-bar scale, while some show 4 bars and others 8. When you look at signal strength you also keenly look at the bars in accordance with the phone’s signal indicator, but it is not recommended as an accurate way. The initial step in selecting a cell phone signal booster for your office, home, vehicles or for large building is to identify the strength of the outside signal.
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How to find signal strength on iPhone or Android phone in decibels?
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