HUAWEI Y520-U22 Firmware

Firmware information

Device Brand   : HUAWEI
Device Model   : HWY520-U
Device CPU     : MT6572
Device IntName : Y520-U22
Device Version : 4.4.2
Device Compile : 11/25/2014 9:50:31 AM
Device Project : ALPS.KK1.MP6.V1
Device ExtInfo : HUAWEI Y520-U22
BaseBand : MT6572_S00_MOLY_WR8_W1315_MD_WG_MP_V36_F2_P9_1_wg_n

[eMMC] : FLASH_VEN : 0x11 , OEM : 0100
[eMMC] : FLASH_INF : [TOSHIBA] , 09G40
[eMMC] : FLASH_CID : 11010030303447393051114E0DE4A14F
[eMMC] : FLASH_BRT : 0x00200000 , 0x00200000 , 0x00080000
[eMMC] : FLASH_LEN : 0x00000000EC000000
[eMMC] : FLASH_UCP : 3776 MiB [eMMC 4 GiB]
DEV RID    : 0xDABB189F017BB2777DDB3E0C9B384C92
INT RAM    : 0x00020000
EXT RAM    : 0x20000000 [512 MiB]
BOOT TYPE  : EMMC_FLASH_BOOT
SOC VERIFY : C1

This firmware i find on net was already flash to the device screenshot above.
The firmware is scatter file and i use tool for this is CM2 mediatek tool,
And also you can use SP flash tool if you don't have CM2 software you can download HERE
After flashing update this backup i test the phone and all is OK,
Now i share it also that this firmware i use is tested.

Here some logs of CM2 mediatek tool flash 100%

SecCfg Passed , 1799
BMT remark not need. Will skip
Sending Preloader ...
Use : preloader_ckt72_we_72_kk.bin
Preloader Sent , Init passed
SecCfg Passed , 1799
PartCount : 0013
Use FLN Mode
Processing : Flash Write
Flash now : MBR
Image Flash Ok
Flash now : EBR1
Image Flash Ok
Flash now : UBOOT
Image Flash Ok
Flash now : BOOTIMG
Image Flash Ok
Flash now : RECOVERY
Image Flash Ok
Flash now : SEC_RO
Image Flash Ok
Flash now : LOGO
Image Flash Ok
Flash now : ANDROID
Image Flash Ok
Flash now : CACHE
Image Flash Ok
Flash now : USRDATA
Image Flash Ok
Flash Write Done, time used : 00:02:39
Update RomInfo done
Done!
Elapsed: 00:02:56
Reconnect Power/Cable!

Be sure you read and understand the information Device Project/Version ROM backup Firmware
and step by step before proceeding to program your device to avoid problem after flashed.

Download scatter file

MT6572_HUAWEI_Y520-U22__HWY520-U__4.4.2__ALPS.KK1.MP6.V1
Credit to gsmashna

http://www.mediafire.com/file/bzdjngd9nsm4ehb/MT6572__HUAWEI__HUAWEI_Y520-U22__HWY520-U__4.4.2__ALPS.KK1.MP6.V1.rar

Firmware can use to same model about have problem about software related problem Hang, no power, password, pattern lock , infected by virus, anything about software related.
Best safe way is manual select flash only the SYSTEM ANDROID file only.
Do it at your own risk,
After flashing ! the device is set to automatic in reset condition,
All your user-data is lost.
Make sure back-up important data before to proceed flashing your phone.