One application that not many rooted users will know about these days is the Servicely application. Servicely helps you control the background services on your device, and plays with the original idea that Greenify uses to a degree. With Servicely, you can prevent apps from running on the background and stop them from taking away your performance.

These are the instructions to root Huawei P8 Lite ALE-L21 smartphones running on the Android 6.0 Marshmallow software update:

REQUIREMENTS

• Your Huawei P8 Lite must be running the Chinese Android 6.0 Marshmallow firmware.
• You must have the bootloader already unlocked before you start this guide, or try installing a custom recovery.
• You must have a custom recovery on the Huawei P8 Lite device before you can root it using the guide.

BEFORE WE BEGIN

• Unlock the Developer Options menu on your Huawei P8 device if it’s not available when you scroll down your Settings menu. You can do that by tapping on the Menu > Settings > About Phone > Model Number 7 times.
• Open your Developers Options menu from your P8 Lite’s Settings by tapping on the Menu > Settings > Developer Options > USB Debugging Mode.
• You are voiding the Huawei warranty when you choose to root the P8 Lite device using the guide below. If you are lucky, you should find unrooting the device will get the warranty working again. You can usually unroot by flashing a stock ROM. Check the Huawei official website for more details about the stock ROMs.

HOW TO ROOT HUAWEI P8 LITE ALE-L21 RUNNING ANDROID 6.0 MARSHMALLOW

1. Download the SuperSU by Chainfire from here.
2. Connect the Huawei P8 Lite smartphone to the computer with the USB cable.
3. Copy the SuperSU zip file over to the root of the internal storage SD card on your P8 Lite smartphone.
4. Unplug the P8 Lite when you are done with the transferring.
5. Boot the Huawei P8 Lite smartphone to recovery mode and it will boot the custom recovery you installed earlier.
6. Choose the ‘Backup’ option from the menu if you are using the TWRP Recovery and agree to take a NANDroid Backup.
7. Tap on the ‘Install’ option from the main recovery menu and follow the on-screen instructions to browse your SD card and install the SuperSU package you copied there earlier.
8. Once complete, choose the ‘Reboot System’ option from the main recovery menu.

In conclusion, you now have a rooted Huawei P8 Lite ALE-L21 smartphone with full system access. Take care with your newly claimed power and always check what apps you are granting root permissions.