Huawei Y511-U00 Product Training Courses page 24

Y511U Product upgrade Guide
Y511U
Product
1, in the root directory of the SD card under the new folder
dload
2, the file update.zip is placed in the folder
3, the SD card inserted into the mobile phone, power +
volume down button to enter recovery mode
Automatic upgrade button, Volume 3
4, when the upgrade is completed, reboot
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SD Card upgrade
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