Huawei GX8 RIO-L03 Marshmallow B340 (Latin America)

Huawei GX8 RIO-L03 received new marshmallow firmware from for Latin america region. This firmware came with following features.

Update Features

Emergency Numbers

  • Fixes and usability improvements

Cell Broadcast Messages for Chile region

  • Improvement in emergency SAE system (Chile).

QuadRoot Vulnerabilities

  • QuadRooter Vulnerability patch and other google security patches are added to make your device more secure.

Native Browser

  • native browser has been removed and it has been replaced by Chrome.


  • Due to space constraint Clean, Reverie, Singularity, and Yell themes are removed. More themes can be downloaded from Themes application
  • Facetune application has been removed, if u want to continue the services of Facetune application please download from Playstore.

Huawei GX8 RIO-L03 Marshmallow


  • Download Link : L03C469B340CUSTC469D001
  • File Size : 1.68 GB
  • Supported Models : GX8 RIO-L03 Dual Sim(Latin America)Open Market
  • Firmware Type : Full Firmware OTA



Installation Guide

  • Backup important data
  • Charge battery upto 50%
  • If your phone is rooted, please unroot and make sure you have stock recovery.
  • At least 6GB free space
  • Make dload folder on sd card/internal memory
  • Extract downloaded firmware and copy UPDATE.APP file to dload folder
  • If using SD Card dial *#*#2846579#*#* and select software upgrade >SDcard Upgrade and update should start.
  • If using internal memory switch off your phone then press and hold (volume up, volume down, and power) until you see update start screen

Huawei GX8 RIO-L03 B340 Latin America

Mutahhar Bashir

Passionate blogger, have excellent problem solving skills, quick learner, love to accomplish difficult tasks, improving my skills while helping others through this blog.

14 Responses

  1. Good Day!

    I have a GX8 terminal with Android RIO-L03 SINGLE SIM with version B330 but I can not install this update. I get the failed update error

    I tried with the # * # * method and the three buttons, none works.

    Any ideas that can help me?

    Many thanks from Colombia

  2. Mutahhar, I have G8 L03-C469130 from Argentina. Vendor hw/la. Can I install this b340? Thanks!!

  3. Nope. I can’t. Now, I were reading and…I’m out. My G8 it’s a single Sim

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