y520-u22 only vibrate after format need solution

Action : Boot Info.
Selected 0-By CPU:MT6571_EMMC
Exe version: Avengers Box MTK 0.4.9
Reinsert phone battery.
Battery must be charged.
Phone must be off with battery inside.
Please insert USB cable now...
Detected : MTK USB Port (COM72)
Boot mode: Brom
Phone detected...Please wait
Sending DA agent, please wait...
Using Algo 1.
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BaseBand CPU :MT6572
BaseBand CPU Secure Version : 05
BaseBand CPU Bootloader Version : FE
----------------------------------------------------
INT RAM: 128 KB SDRAM
EXT RAM: 512 MB DRAM
----------------------------------------------------
EMMC: (29Gb+4096Mb) HYNIX 0x483447316404
EMMC FW VERSION: 03:00:00:00:00:00:00:00
EMMC CID: 90014A48344731 : 000000000000000000
EMMC UA SIZE: 0xe9000000
BOOT STYLE: EMMC BOOT
FULL LENGTH: 0xe9c00000 [3.652 GB]
Preloader SEC version: 2
Status: USB_FULL_SPEED
Detecting high speed port, wait......
If driver not installed, install high speed port driver.
If not need high speed port, disable it.
After repeat opperation.
Detected : MediaTek DA USB VCOM Port (COM73)
Partition is damaged or encripted.
Error reading partition info.
[0]Warning, nvram posible damaged!!.
Wait untill phone will start charging.
All done.