How to upgrade Huawei with Sd Card method without any Pc.
Preaparations
- Download Firmware For Huawei Devices
- Prepare a capacity of more than 4G SD card, we recommend using
Sandisk, Kingstone, or Kingmax. - Format the SD card (optional).
Normal upgrade
- To confirm the presence of update.zip file dload directory, then the entire
dload copied to the SD card root directory. - Insert the SD card into the phone and switch it on, the main screen Go to
Settings -> System Update -> select the menu -> Local upgrade, for backing up data,
select the backup data; after -> installation, the phone began to upgrade. As shown Below:
- There will be a upgrading process bar,after upgrading process bar finished,restart the phone.
Upgrade Forcibly
- Place “update.zip” upgrade file is under “dload” folder in the SD card .
- The phone is off
- First press the power key, and then press the volume up key and the volume down key.
- Proceed 5s, first release the power button, (continue pressing the volume up and down keys).
- When the vibration and boot logo appears , then release pressing the volume up and down keys
