These are the instructions to flash Stock firmware on Huawei Ascend Y520 (Y520U03) using the Card update method.
Requirements: Your Huawei Smartphone or tablet should have atleast 20-30 percent of battery to perform the flashing process and a Micro SD Card (must).
Flash Stock firmware on Huawei Smartphone (Card Update)
Step 1: Create a new folder on your Micro SD Card and rename it to dload.
Step 2: Download and extract Huawei Smartphone firmware (for your device) on your Computer. After extracting you will be able to see these files:
Step 3: Now Copy UPDATE.APP and paste it the dload folder on your Micro SD card.
Step 4: Now Power Off your Huawei Smartphone.
Step 5: Now, Press Volume UP, Volume Down and Power Button at the same time for 5-8 seconds until the update process is started automatically.
Step 6: Update Process may takes 5-10 minutes to complete.
Step 7: Once Update Process is completed your device will reboot automatically and ready to use.
Notic: Please keep in mind that, you must flash Huawei Ascend Y520 (Y520U03) firmware at your own risk and also full responsible with you.
Please be informed that Huawei-firmware.com only share the official firmware WITHOUT ANY modifications. All Huawei Roms here are for home or personal use only.