Huawei P8 B371 Stock Firmware (GRA-UL00, GRA-L09) (Latin America)

Huawei P8 B315 Nougat Firmware (GRA-L09) (Latin-America, Telefonica))

Today Huawei has rolled the B371 Marshmallow update for Huawei P8 with GRA-UL00, GRA-L09 variants in Latin America. In this guide you will learn on How to Install Huawei P8 B371 Stock Firmware ( Latin America) GRA-UL00, GRA-L09. In this guide you will learn on How to Install Huawei P8 B371 Stock Firmware ( Latin America) GRA-UL00, GRA-L09.

This update comes with latest google security patch update along with minor improvements with performance and stability. It also fixes bugs which are found in the earlier version. In this article, we will give the link to download and install Huawei P8 B371 Stock Firmware manually.

Download Install Huawei P8 B371 Stock Firmware (GRA-UL00, GRA-L09) (Latin America)

Install Huawei P8 B371 Stock Firmware (Latin America)

You can flash stock ROM on Huawei P8 with the latest B371 Marshmallow firmware in Latin America. You must have GRA-UL00, GRA-L09 variant to update latest B371 Stock Firmware. Follow the below step by step guide on How to Download and Install Huawei P8 B371 Stock Firmware ( Latin America) (Marshmallow EMUI 4.0) Here we provide download links and installation guide for Android Marshmallow on Huawei P8. The Build number of this Stock Firmware is GRA-UL00, GRA-L09C605B371 which comes for Latin America Region with B371 OTA firmware image. Flash it on your phone to enjoy the latest taste of Android 6.0.1 Marshmallow.


  • This update adds new features to apps, including Email, Calendar, and Notepad, and optimizes the Themes icon. [What’s new] Adds a feature to prioritize emails. Adds more years to the perpetual calendar. Adds Local calendar and Global holidays in Calendar. Adds a feature to add and share contacts using QR code. Adds a feature to share notes as text, image, or email in Notepad. [Optimizations] Optimizes email login by configuring parameters automatically. Optimizes the Themes icon to be more consistent with the system. Improved device security with Google security patches.
  • This update upgrades the system version to EMUI 4.0 to be compatible with Android 6.0.1. Compared with earlier versions, Android 6.0.1 offers improved security, a better web browsing experience, and enhanced power management and performance. EMUI 4.0 introduces a number of useful features, such as a professional camera mode and document readjustment, and optimizes the system UI and settings.
  • Added professional mode to the camera, which gives you full control over every aspect of your photos. Added document readjustment mode, which automatically identifies documents and straightens images of documents taken from an angle.
  • Added Splash and Illusion photo editing modes, which enables you to make great and stylish photos. Added multiple label styles. You can edit the font size, color, and position of the labels. Added the memo feature, which allows you to add a memo to a photo. Added sports elements to the watermark, enabling you to add notes and altitude information to photos. Optimized photo albums. You can add photos directly after you create an album, making photo management more simple and convenient. Optimized the printing feature. You can print multiple photos at the same time.
  • Added the Smart groups feature. After you add company information to a contact, the contact will be automatically added to the corresponding company group. Added the contact QR code feature, which enables you to share contacts with ease. Optimized the contact card feature. All call records with a contact will be kept when you save the contact.
  • Added a feature allowing you to cancel sending a text message within 4 seconds of it being sent.
  • Added a compass with a spirit level to help you find your way wherever you are. Added the screen recording feature to record your onscreen actions. You can start recording by swiping down from the status bar or knocking the screen twice with two knuckles.
  • Introduced the scheduled power on and off feature. You can set your phone to power on or power off at a preset time. Added more alarm ring duration options. Added the notification panel and status bar settings. Introduced the smart text color feature. Your home screen text automatically changes to black or white based on the background wallpaper for better clarity. Optimized the task manager. Active apps are displayed more intuitively with more details presented. Optimized the tone settings and added the power on tone and screenshot tone switches. Optimized the battery manager for a sleeker UI.

What Is In Android 6.0.1 Marshmallow And Its Feature?

Android 6.0.1 Marshmallow was another codename for the new version of Android after Google’s Android 5.0 Lollipop. It was unveiled on Google I/O 2015. This is the eighth major version of the Android operating system. This has a huge incremental and feature on this update. IT brings you a feature which saves a lot of battery on your phone called Doze mode. This feature will keep your phone idle while you dont use the phone. Marshmallow primarily focuses on improving the overall user experience of Lollipop, and introduced unique features like Now On Tap,  new permissions architecture,  a new power management system, Native Fingerprint support, and other internal changes.

About Huawei P8:

Huawei P8 was launched in July 2016 which comes with 5.2 inches display with a screen resolution of 1920×1080 pixels. The smartphone is powered by octa-core HiSilicon Kirin 930/935 processor coupled with 3GB RAM model. The phone packs 16/64 GB internal memory which can also be expanded upto 256GB via microSD card. The Huawei P8 Sports 13MP with an aperture of f/2.0, autofocus, OIS, and dual-LED (dual tone) flash and it comes with 8MP front shooter for selfies

Huawei P8 runs on Android 6.0 Marshmallow out of the box with a non removable battery of 2680mah power. The handset supports dual sim with 4G on both slot. It comes with connectivity options such as Bluetooth, Wifi, USB OTG, FM, 3G and 4G.


  1. This Update is only for Huawei P8 users.
  2. This ROM is an experimental release, It may contain Bugs.
  3. is not responsible for any damage to your phone while installing this Update.
  4. Make sure that you have latest USB drivers installed
  5. Take complete backup of your phone and then proceed.


Official Firmware Details :

  • Device : Huawei P8
  • Model No : GRA-UL00, GRA-L09
  • Android OS : 6.0.1 Marshmallow
  • EMUI Version : 4.0
  • Firmware : B371
  • Build Number : GRA-UL00C605B371, GRA-L09C605B371
  • Region :  Latin America
  • Status : Official
  • Type : Full firmware image
  • Size : 1.5 GB

Prerequisite :

  • Make sure to have 50%-70% charge on your phone, before proceeding with the below steps.
  • Download the right firmware. Make sure you downloaded the full firmware from above link instead of corrupted file.
  • Your phone must have a stock firmware and stock recovery to flash this Stock Firmware.
  •  This Firmware is supported only on Huawei P8 GRA-UL00, GRA-L09
  • Make sure to do full backup before upgrading Huawei P8.

Check this post on How to Backup your phone without root




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Full Guide to Install the B371 Firmware on Huawei P8

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