Signal strengths can range from approximately -30 dBm to -110 dBm. The closer that number is to 0, the stronger the cell signal. In general, anything better than -85 decibels is considered a usable signal.
Read moreHow do I know if my LTE band is compatible with Android?
How to use Signal Spy . First, you’ll need to download it from the Play Store – here’s a link. From there, just open the app, and it will provide you your current carrier, the connection technology, band (frequency), and signal strength.13 Nis 2019
Read moreHow do I check my LTE band?
For the Android phone, it could use the app: LTE Discovery, tap SIGNALS, check EARFCN(band number), ‘DL Freq and UL Freq’ .
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