diff --git a/app/build.gradle b/app/build.gradle
index 6d781a8962..b5e47ec4ae 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -308,6 +308,9 @@ dependencies {
     implementation "com.squareup.retrofit2:adapter-rxjava2:2.6.2"
     implementation "com.squareup.retrofit2:converter-gson:2.6.2"
 
+    // Phone checker
+    implementation 'com.scottyab:rootbeer-lib:0.0.7'
+    
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0-alpha03'
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     androidTestImplementation 'androidx.test:rules:1.3.0-alpha03'
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/constraints/phoneChecker/PhoneCheckerPlugin.kt b/app/src/main/java/info/nightscout/androidaps/plugins/constraints/phoneChecker/PhoneCheckerPlugin.kt
new file mode 100644
index 0000000000..7dbb642f45
--- /dev/null
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/constraints/phoneChecker/PhoneCheckerPlugin.kt
@@ -0,0 +1,35 @@
+package info.nightscout.androidaps.plugins.constraints.phoneChecker
+
+import android.os.Build
+import com.scottyab.rootbeer.RootBeer
+import info.nightscout.androidaps.MainApp
+import info.nightscout.androidaps.R
+import info.nightscout.androidaps.interfaces.ConstraintsInterface
+import info.nightscout.androidaps.interfaces.PluginBase
+import info.nightscout.androidaps.interfaces.PluginDescription
+import info.nightscout.androidaps.interfaces.PluginType
+
+object PhoneCheckerPlugin : PluginBase(PluginDescription()
+    .mainType(PluginType.CONSTRAINTS)
+    .neverVisible(true)
+    .alwaysEnabled(true)
+    .showInList(false)
+    .pluginName(R.string.phonechecker)
+), ConstraintsInterface {
+
+    var phoneRooted: Boolean = false
+    var devMode: Boolean = false
+    val phoneModel: String = Build.MODEL
+    val manufacturer: String = Build.MANUFACTURER
+
+    private fun isDevModeEnabled(): Boolean {
+        return android.provider.Settings.Secure.getInt(MainApp.instance().contentResolver,
+            android.provider.Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
+    }
+
+    override fun onStart() {
+        super.onStart()
+        phoneRooted = RootBeer(MainApp.instance()).isRootedWithoutBusyBoxCheck()
+        devMode = isDevModeEnabled()
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 4de153a543..9bd5ae7254 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1690,5 +1690,6 @@
     <string name="ebstopsloop">Use of Extended bolus feature will stop closed loop mode for the time of running extended bolus. Do you really want it?</string>
     <string name="closed_loop_disabled_with_eb">Closed loop disabled because of running Extended bolus</string>
     <string name="extended_bolus_short">EB</string>
+    <string name="phonechecker">\"PhoneChecker\"</string>
 
 </resources>