Huawei Mediapad M3 BTV-W09 has been upgraded to nougat running EMUI5 on top with android 7.0 at backed. features of this update are as follow.

Screenshots provided by Mr. Johan from Sweden, we are thankful for his support.

Official update changelog

• Huawei designed EMUI 5.0 based on the newly released Android 7.0.
• The brand new EMUI 5.0 is inspired by the pure blues and whites of the Aegean Sea.
• The interface is simple and smart, and EMUI 5.0 comes with enhanced, powerful performance that allows mobile phones to operate more smoothly, more secure system, multi-faceted to enhance user privacy, payment, communication And application security.

[Recommendations]

• A cleaner, more interactive interface A brand new UI and effects inspired by the blues and whites of the Aegean Sea.
• Simplified gestures, with most operations completed in 3 steps.
• EMUI 5.0 is more customizable, offering an optional Android App Drawer layout to users.

Enhanced features

• System operations are more fluid, allowing you to view a massive amount of images, browse websites, and perform searches faster.

[Find out more]

• Notifications An optimized design combines shortcuts with notifications to reduce the complexity of user actions. Touch and hold notifications to quickly block messages and notifications. Reminder cards are stacked to save space.
• Three dimensional task management Tasks are stacked three dimensionally on the UI. Smooth gestures allow users to scroll through tasks by sliding up and down or dismiss tasks by swiping left or right.

Gallery

• The cloud can be synchronized with the local Gallery ,sort gallery by character, food, landscape, location documents automatically show classification results; support editing slow motion video; delete function in by swipe finger down in camera.

Camera

• Camera now supports plug-in management. experience more camera fun; optimize the professional camera horizontal screen and parameter settings interface display
• Cancel online translation, added two-dimensional swipe recognition

Calendar

• Add all-in-one schedule management, scenario intelligence, SMS, memo reminder unified presentation, and multi-device data synchronization via Huawei account

Memo

• supports sharing social media in text, image, and mail.

Settings

• “Eye mode”: Added eye comfort mode, enabling you to adjust the screen color temperature manually to lessen visual fatigue
• “Huawei Share”: in the EMUI 5.0 system facilitate the efficient transmission of pictures, video and other documents between the Huawei mobile phone and tablet.

(changelog has been translated from Chinese to English best to my knowledge)

• Firmware Download Link : Huawei Server | Alternative Link
• File Size: 1.25 GB
• Data File Download Link: Huawei Server | Alternative Link
• File Size: 957 MB
• Build Number: BTV-W09C233B336
• Release Date: 09-03-2017
• Supported Model:BTV-W09C233 (Chinese Wireless Model)
• Firmware Type: Official Incremental OTA

Installation Method 1

• Enable OEM unlock in developer options.
• Backup all important data
• Your phone should not be rooted.
• Charge Battery up to 60%
• Make dload folder on sd card
• Extract update.zip and copy update.app to dload folder, Switch off your phone and hold 3 buttons (volume up, volume down, and power) until you see update start screen.
• If installation is successful, then do next step, otherwise use 2nd method.
• Delete update.app from dload , then extract “update_data_full_hw_cn.zip” and copy all files to dload, and perform update again by using 3 button method.

Installation Method 2

• Download Huawei updater from This Link
• Download latest Hisuite from official huawei website
• Open huawei update, tick in custom rom, in custom rom version type BTV-W09C233B336
• In Custom rom URL copy this link http://update.hicloud.com:8180/TDS/data/files/p3/s15/G1224/g490/v78441/f1/
• Then tick custom port, don’t change it.
• now connect your phone with pc and make sure Hisuite recognize and connected properly. then just open Hisuite menu and change network settings as shown in image below.
• 

• Then in huawei update click start button, and in Hisuite press update button,
• it should start downloading and installation of firmware will complete