Huawei Ascend Y520-U03 Stock Firmware ROM Tested Flash File Free 100% Tested Free Download

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Huawei Ascend Y520-U03 Stock Firmware ROM Tested Flash File Free 100% Tested Free Download

1 form prerequisites 

1.1 Historical form data table. 

The accompanying forms can be moved up to this rendition 

Huawei Ascend_Y520-U03_V100R001C17B103a_Mexico_Telcel 

1.2 Upgrade Environment Requirements 

Material to cell phone programming, need to utilize MICRO SD card to redesign 

1.3 List of update documents 

Record Name 

Huge bundle way dload\UPDATE.APP 

2 Upgrade readiness 

2.1 Checking whether the overhaul condition meets the necessities 

Check if the MICRO SD card can be perused or composed. 

2.2 Obtaining/Checking Upgrade Packages 

The registry structure is equivalent to: dload\UPDATE.APP 

3 Upgrade guidelines 

There are two update strategies: constrained overhaul and typical redesign. 

Constrained update isn't required to boot, so it is appropriate for use when it can't boot regularly (counting unfit to boot, no 

The technique enters the backup interface, and so on.). The ordinary redesign requires control on and can enter the setup module. 

4 overhaul task 

4.1 Normal overhaul (favored update technique) 

4.1.1 Upgrading enormous sacks 

Stage 1: Prepare a SD card. It is prescribed to utilize Sandisk, Kingstone, or Kingmax. The size is prescribed at 2G. 

the abovementioned. 

Stage 2: Format the SD card (discretionary). 

Stage 3: Copy the UPDATE.APP under the enormous bundle way to the SD card dload\UPDATE.APP. 

Stage 4: Check if there is dload\UPDATE.APP in the root catalog of the SD card. 

Stage 5: Insert the SD card into the telephone to boot, and go to Settings - > System Update - > Local Upgrade - > SD Card Upgrade on the principle screen. 

To back up your information, select Back up your information; at that point, begin the overhaul. 

Stage 6: The advancement procedure has an advancement bar show. After the advancement bar is done, the cell phone naturally restarts. 

4.2 Forced redesign 

4.2.1 Upgrading enormous sacks 

Stage 1: Prepare a SD card. It is prescribed to utilize Sandisk, Kingstone, or Kingmax. The size is prescribed at 2G. 

the abovementioned. 

Stage 2: Format the SD card (discretionary). 

Stage 3: Copy the UPDATE.APP under the enormous bundle way to the SD card dload\UPDATE.APP. 

Stage 4: Check if there is dload\UPDATE.APP in the root registry of the SD card. 

Stage 4: When the cell phone is killed, embed the SD card, and press the volume up catch + volume down catch + switch catch, hand 

The machine naturally enters the update mode and after that begins the overhaul, as appeared in the figure: 

Huawei Ascend_Y520-U03_V100R001C17B103a_Mexico_Telcel 

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