Huawei Password: 
Huawei firmware password list
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Step 1: Prepare a SD card with a capacity of at least 8 GB. A Sandisk, Kingston, or Kingmax SD card is recommended.
Step 2 (optional): Format the SD card to ensure the capacity is sufficient.
Step 3: Check that the directory of all files is intact in dload. Copy the dload document to the root directory in the microSD card.
Step 4: Check that the directory and files are intact in the SD card root directory.
Step 5: Power off the phone, insert the microSD card, and
For EMUI 12.x,press the VOLUME UP key and the POWER key at the same time, then it will enter recovery interface, and then choose the “Update mode > Memory card/OTG update mode” to start the upgrade. If the product do not have the entity VOLUME key, just press the POWER key for more than five times when power on, then choose the “Update mode > Memory card/OTG update mode” to start the upgrade.
Step 6: During the upgrade, a progress icon will be displayed. After the progress icon is fully loaded, the phone will restart automatically, and the upgrade is completed.
Note: the SD card keep in connecting until the screen displays “Update success”.
For EMUI operating system, shows as below:
Step 1: Prepare a U disk with a capacity of at least 8 GB. A Sandisk, Kingston, or Kingmax U disk is recommended. And an OTG cable.
Step 2 (optional): Format the U disk to ensure the capacity is sufficient.
Step 3: Check that the directory of all files is intact in dload. Copy the dload document to the root directory in the U disk.
Step 4: Check that the directory and files are intact in the U disk root directory.
Step 5: Power off the phone, insert the OTG cable & U disk, and
For EMUI 12.x, press the VOLUME UP key and the POWER key at the same time, then it will enter recovery interface, and then choose the “Update mode > Memory card/OTG update mode” to start the upgrade. If the product do not have the entity VOLUME key, just press the POWER key for more than five times when power on, then choose the “Update mode > Memory card/OTG update mode” to start the upgrade.
Step 6: During the upgrade, a progress icon will be displayed. After the progress icon is fully loaded, the phone will restart automatically, and the upgrade is completed.
Note: the OTG cable & U disk keep in connecting until the screen displays “Update success”.
For EMUI operating system, shows as below:
