Huawei Ascend Y300 firmware upgrade
1. Make sure you have backed up all your important data. All files, messages, images, videos, contacts etc.
2. Download the official update software from Huawei's website. (Go to Home / Support / Downloads, enter "y300 firmware" in the search box.
Download the .zip file.
3. Unpack it on your Desktop. Copy the dload folder to your SD card's root directory.
4. Turn off your Huawei y300. (Make sure your battery has enough power. Charge it if necessary.) Insert the memory card.
5. Press both Volume keys (VOL UP and DOWN) and then the power key until the software upgrade progress bar displays. Then you can release all keys.
6. Wait until the progress bar finishes and the phone restart.
7. Check firmware version in Settings > About phone / build number
Note: If you haven't inserted the microSD card in the phone's memory slot, you will get a blank pink screen. To exit, simply press power to power off the phone
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