Signal Strength Checker

This app provides signal strength and network information of cell phone.

【Signal Strength】

This app provides signal strength of cell phone.

Because API this app using was deprecated, this app is not work from Android 10.

If your device is Android 12 or higher, "Signal Checker 5G" is available instead.

Usually, signal strength is measured in dBm or asu, but it is hard to understand the MIN and MAX of the value.

This app displays signal strength in percentage.

The signal strength of LTE tends to be a low value because of a property of the radio wave frequency it use.

Near a cellular antenna, LTE percentage becomes almost 100%. Please try it.

【Network Information】

You can also get the following Network Information.

- Network Operator

- Network Type

- Phone Type

【Others】

This app dose not need any permissions, so very secure.