LeanDroid is a lightweight and incredibly powerful battery saver. It automatically manages the power-hungry radios on your device while the screen is off to significantly lengthen battery life.
-Automatically disables Wi-Fi
-Automatically disables cellular data (root only on Lollipop+)
-Automatically disables cellular radio (root only on Lollipop+)
-Automatically disables Bluetooth
-Automatically disables network location (KitKat+, root only on Lollipop+)
-Automatically disables GPS location (KitKat+, root only on Lollipop+)
-Automatically switches cellular network mode (Lollipop+ and with root)
-Periodically restores connections for push notifications
-Schedule when LD should be active with the time exception
-Set exceptions for when certain apps are running
-Set exceptions by Wi-Fi name
-Set exceptions by data transfer speed
-Many more customizable options
If you have an issue, please email email@example.com, or use the contact menu option from inside the app before leaving a negative review!
LeanDroid can automatically disable Wi-Fi, cellular Data*, cellular radio*, Bluetooth, and location* (networks and GPS), and switch cellular network modes. It will do so a certain amount of time after the screen turns off to conserve battery power and lower data usage. Connections are automatically restored when the screen is turned back on, and periodically while the screen is off to allow for push notifications. Only connections that were automatically disabled by LD are re-enabled. Connections that were manually disabled are left untouched. There are many additional options and exceptions to set to your preference.
Some options explained:
Disable Wi-Fi/Data/Network mode except if active - Connections are only disabled if there is negligible data transfer while the screen is off. Some music services don't "stream" but instead download entire songs at once, and they might do this while the screen is still on. Please set the disable time interval to at least the length of your average song so LD can catch data activity while the screen is off or use the except if "Except if apps running" option.
Disable Wi-Fi except if requires browser login - WiFi is not disabled if it requires a browser login (common for public hotspots or guest networks), so that you do not have to re-enter the password when it is re-enabled.
Disable except if apps running - No connections are disabled if one of the selected apps is found to be running in the foreground or has foreground services. There is a sub-option to also detect background services of the apps.
Restore Data after waiting xx seconds for Wi-Fi to connect - Wait for WiFi to connect before re-enabling cellular data. This prevents data from re-connecting for just a couple of seconds.
-Not all options are available on all devices.
-Dual SIM phones may not disable data/cell radio/network mode on both SIMs as the code varies by manufacturer.
-If you are on Android 4.4.1 - 4.4.2, a persistent notification is required due to a bug in KitKat where services cannot restart themselves once killed by the system. If you would like to hide the notification, find LeanDroid in Settings -> Apps, and un-check "show notifications".
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