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IPhone with Intel chipset (iOS 11, 12, 13, and 14) However, depending on your iPhone chipset (Intel or Qualcomm) and your carrier (Verizon, AT&T, T-Mobile, or Sprint), there’s a slim chance to find your dBm readings through this workaround. Starting with iOS 11 and continuing to the present iOS 14, Apple has hidden dBm readings in iPhone field test mode.
#Boost zone app for android how to#
How to Find Accurate dBm Readings on your iPhone – Field Test Mode Doing so lets you know how fast your network is in your home, as well as helps RootMetrics gather more data to create a more reliable and accurate database. In addition, the app also allows you to test your data speeds. However, it only provides average dBm measurements, so you aren’t getting your exact dBm reading. This app is probably the only app that gives iPhone users an actual dBm value.
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The data in the app is gathered by RootMetrics' professional findings, as well as regular people who use the app to test their signal quality.
Cell Phone Coverage Map by RootMetrics uses your locations to show you cell performance and dBm readings in your area. You’ll also have access to a cell coverage heat map to identify how good any carrier's coverage is in your area, as well as an arrow widget that helps you find your closest tower (comes in handy when installing a signal booster). 
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OpenSignal is another free app designed to test your data speeds and provide insight on mobile connectivity in your area. They have one of the largest global networks to help provide you with the best results. #Boost zone app for android download#
With the tap of a button, you’ll get your mobile data’s download and upload speeds within seconds.
SpeedTest by Ookla is amongst the most popular, user-friendly, network speed analyzer apps. For accurate data speed readings, make sure your WiFi connection is turned off, otherwise, you’ll be measuring your WiFi's signal strength. The best apps we’ve found for this purpose measure your data speeds, which are slightly better than relying on signal bars but may not represent the best results. Therefore, there is no perfectly accurate way to obtain your signal strength with an iPhone. In addition, the App Store doesn’t offer apps designed to show you live dBm values. Unfortunately, recent iPhone models have removed the ability to view dBm levels. Recommended Cell Phone Signal Strength Apps for iPhone The closer to -120 dBm, the worse your signal. The closer you are to -50 dBm, the better your signal. All cell phone signals in the US and Canada need to operate within this range to work. -110 to -120 dBm = very poor signal or a dead zone (0 to 1 bar).ĭBm readings are not subjective – they don’t fluctuate based on carrier or manufacture. -100 to -109 dBm = poor signal (1 to 2 bars). 
-90 to -99 dBm = average signal (2 to 3 bars). -80 to -89 dBm = good signal (3 to 4 bars). #Boost zone app for android full#
-50 to -79 dBm = great signal, basically full bars (4 to 5 bars). Here are the cell signal ranges in more detail: 50 dBm is considered full strength (full bars), while -120 dBm is considered a dead zone (no service). Many smartphones have the ability to display dBm readings, or they can be obtained through cell signal analyzer apps.Īll cellular devices operate within this strength range: -50 dBm to -120 dBm. The signal strength of those cellular waves in a specific location, such as outside your house, inside your apartment, or on your commute to work, are measured in dBm, which are always displayed as negative numbers. They’re AM/FM radio waves, the kind that are great at traveling long distances but are easily interrupted, leading to spotty service – that’s where a cell phone signal booster or repeater can come to your rescue. More specifically, decibel milliwatts (dBm) – a value used to denote an exact power level unit expressed in decibels with respect to one milliwattĬell phone signals are measured in dB. Who's telling the truth? Can these phone manufacturers be trusted? So, How Can I Get Accurate Cell Signal Readings?įortunately, there's a better way to measure your cell phone signal and that's by looking at decibels (dB) – a logarithmic signal unit used to quantify the ratio between two power levels. Each carrier or phone manufacturer can determine what one, two, three, or full bars represent for their service or device. Plus, using 3G or 4G LTE makes no difference, either.Īs you can see, there's no standard. One bar on T-Mobile might be three bars on Verizon, two bars on Sprint, or full bars on AT&T - despite having the EXACT same signal and performing at the EXACT same speeds. They're subjective across all carriers and networks. Commercial The Truth About Cell Phone Bars
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