Huawei P8 Lite (ALE-L21) has officially been updated to B535 Android 6.0 Marshmallow OS (Emotion UI 4.0) in Russia. The full firmware package of this update can be downloaded directly via the link provided below. Firmware Details Device: Huawei P8 Lite Dual-SIM Model: ALE-L21 Android: v6.0 Marshmallow EMUI: 4.0 Firmware: B535 Build number: ALE-L21C10B535 Security Patch Level: June 1, 2016 Status: Official (stable) Type: Full firmware image Region: Europe Country: Russia Branding: Channel-Others Download Link: Official Mirror (Huawei Russia) | Size: 1.50 GB Compatibility: This firmware can be installed on Russian ALE-L21 devices based on C10Bxx firmware only. Download the update package from the aforementioned link and extract it. Transfer the extracted dload folder to the external microSD card of your device. Take a full backup of your important data before proceeding. Open the dialer and enter *#*#2846579#*#* In the Project Menu, go to Software Upgrade > SDCard Upgrade and confirm the installation of the update.