Huawei Mediapad M3 BTV-W09 Nougat B350 has been released for USA variants. all  those users who didn’t received this upgrade via OTA, they can install it by following the tutorial given below.

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 pad to operate more smoothly.

[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 dimensional on the UI. Smooth gestures allow users to scroll through tasks by sliding up and down or dismiss tasks by swiping left or right.

Camera

• Camera now supports plug-in management. Infrequently used modes, like document scan, are presented as plug-ins.

Contacts

• Customization and sharing features added to name cards. The sharing feature allows quick sharing of contacts through Bluetooth, Facebook, and other methods.
• Added a scanner to the search box and lock screen, making it easier to add new contacts.

Email

• Improved how unread emails are tagged in the inbox. Users can now quickly delete, star, and mark emails as read or unread from the left sliding menu.

Settings

• Added a newly designed drawer feature. When this feature is enabled, it hides non-system preset apps in a drawer on the home screen, presenting you with a simple and tidy layout.
• Added a new drawer feature for settings. For settings that take two or more steps to set up, the user can now jump directly back to the main settings page with one gesture.
• Added eye comfort mode, enabling you to adjust the screen color temperature manually to lessen visual fatigue.

• Firmware Download Link : Huawei Server | Alternative Link
• File Size: 1.30 GB
• Data File Download Link: Huawei Server | Alternative Link
• File Size: 1.18 GB
• Build Number: BTV-W09C128B350
• Release Date: 21-JUNE-2017
• Supported Model:BTV-W09C128 (USA WiFi Model Only)
• Firmware Type: Full OTA

Installation Method 1

• This method only works until files are available on Huawei server.
• 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-W09C128B350
• In Custom rom URL copy this link http://update.hicloud.com:8180/TDS/data/files/p3/s15/G1224/g490/v88572/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.
  

  Hisuite Configuration

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

Installation Method 2

• This method voids your warranty
• Make backup of all your important data
• unlock bootoader of your phone (How to unlock?)
• Copy both files (Don’t Extract), update.zip and “update_data_full_hw_usa.zip” file on sd card (you can not use internal storage)
• Flash TWRP recovery (Click here to download), Thanks to greatslon
• Extract twrp zip file , then copy twrp file to Minimal Adb fastboot folder, and run this command in fastboot mode ” fastboot flash recovery twrp fie name.img “
• Reboot to twrp (volume up + power)
• In TWRP tap on install and select update.zip file 1st, then swipe to install, Don’t reboot.
• Go back to main menu and again tap on install and select “update_data_full_hw_usa.zip” file, and again swipe to install it.
• Now reboot & Nougat will be running on your device.

Installation Method 3

• 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_usa.zip” and copy all files to dload, and perform update again by using 3 button method.