bootloader
It appears that only the ProtonMail app uses Firebase.
Proton Mail - ProtonMail-4.0.14_9270.apk
Services - ProtonMail-4.0.14_9270.apk
androidx.appcompat.app.AppLocalesMetadataHolderService
ch.protonmail.android.mailnotifications.data.remote.fcm.PMFirebaseMessagingService
com.google.firebase.components.ComponentDiscoveryService
com.google.firebase.messaging.FirebaseMessagingService
androidx.work.impl.background.systemalarm.SystemAlarmService
androidx.work.impl.background.systemjob.SystemJobService
androidx.work.impl.foreground.SystemForegroundService
androidx.room.MultiInstanceInvalidationService
com.google.android.datatransport.runtime.backends.TransportBackendDiscovery
com.google.android.datatransport.runtime.scheduling.jobscheduling.JobInfoSchedulerService
Receivers- ProtonMail-4.0.14_9270.apk
ch.protonmail.android.mailnotifications.data.local.PushNotificationActionsBroadcastReceiver
ch.protonmail.android.mailsettings.presentation.settings.autolock.broadcastreceiver.TimeSetBroadcastReceiver
me.proton.core.notification.presentation.deeplink.DeeplinkBroadcastReceiver
com.google.firebase.iid.FirebaseInstanceIdReceiver
androidx.work.impl.utils.ForceStopRunnable$BroadcastReceiver
androidx.work.impl.background.systemalarm.ConstraintProxy$BatteryChargingProxy
androidx.work.impl.background.systemalarm.ConstraintProxy$BatteryNotLowProxy
androidx.work.impl.background.systemalarm.ConstraintProxy$StorageNotLowProxy
androidx.work.impl.background.systemalarm.ConstraintProxy$NetworkStateProxy
androidx.work.impl.background.systemalarm.RescheduleReceiver
androidx.work.impl.background.systemalarm.ConstraintProxyUpdateReceiver
androidx.work.impl.diagnostics.DiagnosticsReceiver
androidx.profileinstaller.ProfileInstallReceiver
com.google.android.datatransport.runtime.scheduling.jobscheduling.AlarmManagerSchedulerBroadcastReceiver
Providers - ProtonMail-4.0.14_9270.apk
androidx.startup.InitializationProvider
com.google.firebase.provider.FirebaseInitProvider
io.sentry.android.core.SentryPerformanceProvider
leakcanary.internal.PlumberInstaller
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ProtonCalendar-Android.apk
Services - ProtonCalendar-Android.apk
me.proton.android.calendar.CalendarWidgetRemoteViewsService
androidx.work.impl.background.systemalarm.SystemAlarmService
androidx.work.impl.background.systemjob.SystemJobService
androidx.work.impl.foreground.SystemForegroundService
androidx.room.MultiInstanceInvalidationService
com.google.android.gms.auth.api.signin.RevocationBoundService
com.google.android.datatransport.runtime.backends.TransportBackendDiscovery
com.google.android.datatransport.runtime.scheduling.jobscheduling.JobInfoSchedulerService
Receivers - ProtonCalendar-Android.apk
me.proton.android.calendar.ProtonCalendarBroadcastReceiver
me.proton.android.calendar.CalendarWidget
me.proton.core.notification.presentation.deeplink.DeeplinkBroadcastReceiver
androidx.work.impl.utils.ForceStopRunnable$BroadcastReceiver
androidx.work.impl.background.systemalarm.ConstraintProxy$BatteryChargingProxy
androidx.work.impl.background.systemalarm.ConstraintProxy$BatteryNotLowProxy
androidx.work.impl.background.systemalarm.ConstraintProxy$StorageNotLowProxy
androidx.work.impl.background.systemalarm.ConstraintProxy$NetworkStateProxy
androidx.work.impl.background.systemalarm.RescheduleReceiver
androidx.work.impl.background.systemalarm.ConstraintProxyUpdateReceiver
androidx.work.impl.diagnostics.DiagnosticsReceiver
androidx.profileinstaller.ProfileInstallReceiver
com.google.android.datatransport.runtime.scheduling.jobscheduling.AlarmManagerSchedulerBroadcastReceiver
Providers - ProtonCalendar-Android.apk
androidx.startup.InitializationProvider
io.sentry.android.core.SentryPerformanceProvider
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Proton Drive
Services - Proton Drive
androidx.work.impl.background.systemalarm.SystemAlarmService
androidx.work.impl.background.systemjob.SystemJobService
androidx.work.impl.foreground.SystemForegroundService
androidx.room.MultiInstanceInvalidationService
com.google.android.datatransport.runtime.backends.TransportBackendDiscovery
com.google.android.datatransport.runtime.scheduling.jobscheduling.JobInfoSchedulerService
Receivers - Proton Drive
me.proton.android.drive.receiver.NotificationBroadcastReceiver
me.proton.core.notification.presentation.deeplink.DeeplinkBroadcastReceiver
androidx.work.impl.utils.ForceStopRunnable$BroadcastReceiver
androidx.work.impl.background.systemalarm.ConstraintProxy$BatteryChargingProxy
androidx.work.impl.background.systemalarm.ConstraintProxy$BatteryNotLowProxy
androidx.work.impl.background.systemalarm.ConstraintProxy$StorageNotLowProxy
androidx.work.impl.background.systemalarm.ConstraintProxy$NetworkStateProxy
androidx.work.impl.background.systemalarm.RescheduleReceiver
androidx.work.impl.background.systemalarm.ConstraintProxyUpdateReceiver
androidx.work.impl.diagnostics.DiagnosticsReceiver
androidx.profileinstaller.ProfileInstallReceiver
com.google.android.datatransport.runtime.scheduling.jobscheduling.AlarmManagerSchedulerBroadcastReceiver
Providers - Proton Drive
androidx.startup.InitializationProvider
androidx.core.content.FileProvider
me.proton.core.drive.documentsprovider.data.DriveDocumentsProvider
me.proton.core.drive.documentsprovider.data.DriveFileProvider
io.sentry.android.core.SentryInitProvider
io.sentry.android.core.SentryPerformanceProvider
leakcanary.internal.PlumberInstaller
####################################
Proton VPN - ProtonVPN-5.3.93.0.apk
Services - ProtonVPN-5.3.93.0.apk
com.protonvpn.android.vpn.wireguard.WireguardWrapperService
com.protonvpn.android.vpn.openvpn.OpenVPNWrapperService
com.wireguard.android.backend.GoBackend$VpnService
com.protonvpn.android.components.QuickTileService
com.protonvpn.android.ui.settings.AppInfoService
androidx.work.impl.background.systemalarm.SystemAlarmService
androidx.work.impl.background.systemjob.SystemJobService
androidx.work.impl.foreground.SystemForegroundService
androidx.room.MultiInstanceInvalidationService
Receivers - ProtonVPN-5.3.93.0.apk
com.protonvpn.android.OnUpdateReceiver
com.protonvpn.android.notifications.NotificationActionReceiver
com.protonvpn.android.quicktile.QuickTileActionReceiver
me.proton.core.notification.presentation.deeplink.DeeplinkBroadcastReceiver
androidx.work.impl.utils.ForceStopRunnable$BroadcastReceiver
androidx.work.impl.background.systemalarm.ConstraintProxy$BatteryChargingProxy
androidx.work.impl.background.systemalarm.ConstraintProxy$BatteryNotLowProxy
androidx.work.impl.background.systemalarm.ConstraintProxy$StorageNotLowProxy
androidx.work.impl.background.systemalarm.ConstraintProxy$NetworkStateProxy
androidx.work.impl.background.systemalarm.RescheduleReceiver
androidx.work.impl.background.systemalarm.ConstraintProxyUpdateReceiver
androidx.work.impl.diagnostics.DiagnosticsReceiver
androidx.profileinstaller.ProfileInstallReceiver
Providers - ProtonVPN-5.3.93.0.apk
androidx.core.content.FileProvider
androidx.startup.InitializationProvider
io.sentry.android.core.SentryPerformanceProvider
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