HUAWEI GR5 (BLL-L22) 2017 Official Update Firmware Without password

Huawei GR5 stock rom
Huawei GR5 (BLL-L22) official Update Tested firmware free download .
Firmware Information: 
Device – Huawei GR5 3GB RAM
Model – BLL-L22
Android Version – 6.0
EMUI Version – 4.1
Build Version – BLL-L22C636B150
Region: Southern-East Asia
Firmware Status – Official
Type – Full firmware image 
HOW TO INSTALL UPDATES :
  1. Download the Zip package of the firmware from above Link  and extract it to computer . 
  2. Connect your Huawei P9 [EVA-L19] to the computer over USB in file transfer mode.
  3. Transfer the extracted ‘dload’ folder with Update.app package to the root directory external SD card. 
  4. Now Go to menu > Local update>select the Update.app package and confirm it to install. 
  5. Let the device reboot and wait for the firmware package to get installed.
  6. Enjoy ! 

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