Vivo Y81 Showing only 3GB

Dear Sir
In my vivo y81 issue is pattern lock so i remove it by using cm2 by selecting vivo y83 model frp remove success but then its only showing 3gb instead of 32gb so i try to flash it with cm2 mt2 but its getting error now my set is restarting what can i do ???


here is log

Card found : XXXXXXXX , v0137
Infinity-Box Chinese Miracle MediaTek Service Module [ MTK ] v2.02

Load IDBase v12974 Ok!

Update configuration ...
Update Ok!
Load IDBase v12974 Ok!

Preloader [HW DEV] Info :
EMI : DEV : MT6765
EMI : SRC : preloader_k62v1_64_bsp.bin
EMI : CNT : 0008
EMI : [00] : eMCP : eMMC+LP/DDR3 , ID : 150100524436344D42 : VEN : SAMSUNG | DEV : RD64MB : RAM : [ 4.00 GB ]
EMI : [01] : eMCP : eMMC+LP/DDR3 , ID : 150100524836344142 : VEN : SAMSUNG | DEV : RH64AB : RAM : [ 4.00 GB ]
EMI : [02] : eMCP : eMMC+LP/DDR3 , ID : 150100474436424D42 : VEN : SAMSUNG | DEV : GD6BMB : RAM : [ 3.00 GB ]
EMI : [03] : eMCP : eMMC+LP/DDR3 , ID : 90014A484247346132 : VEN : HYNIX | DEV : HBG4a2 : RAM : [ 4.00 GB ]
EMI : [04] : eMCP : eMMC+LP/DDR4 , ID : 150100444836444D42 : VEN : SAMSUNG | DEV : DH6DMB : RAM : [ 4.00 GB ]
EMI : [05] : eMCP : eMMC+LP/DDR4 , ID : 150100445636444D42 : VEN : SAMSUNG | DEV : DV6DMB : RAM : [ 4.00 GB ]
EMI : [06] : eMCP : eMMC+LP/DDR3 , ID : 90014A68423861503E : VEN : HYNIX | DEV : hB8aP> : RAM : [ 3.00 GB ]
EMI : [07] : eMCP : eMMC+LP/DDR3 , ID : 90014A484347386134 : VEN : HYNIX | DEV : HCG8a4 : RAM : [ 4.00 GB ]

Operation : Write Flash [ v2.02 ]

Repartition : Enabled
Flash Verify : Disabled
Reg.Pre-Erase : Disabled
Verify HW/SW : Enabled
SData Backup : Disabled
Safe UserData : Disabled

Files :22
[FL] : Set : recovery-verified.img
[FL] : Set : survival-verified.img
[FL] : Set : oem.img
[FL] : Set : efuse.img
[FL] : Set : md1img-verified.img
[FL] : Set : md1dsp-verified.img
[FL] : Set : spmfw-verified.img
[FL] : Set : scp-verified.img
[FL] : Set : scp-verified.img
[FL] : Set : sspm-verified.img
[FL] : Set : sspm-verified.img
[FL] : Set : lk-verified.img
[FL] : Set : lk-verified.img
[FL] : Set : boot-verified.img
[FL] : Set : logo-verified.bin
[FL] : Set : odmdtbo-verified.img
[FL] : Set : tee-verified.img
[FL] : Set : tee-verified.img
[FL] : Set : vendor.img
[FL] : Set : system.img
[FL] : Set : cache.img
[FL] : Set : userdata.img

[FL] : Total size : 0x1497EB874 [ 5.15 GB ]

1. Make sure device is powered off. Power off, if need. Wait 20 seconds after
2. Insert USB cable in phone
Waiting for device connection ...

PTFN : MediaTek PreLoader USB VCOM_V1632 (Android) (COM6)
MODE : PRELOADER PORT
PORT : 6
Waiting BOOT ack ...
PRELOADER : ACK confirmed!
BROM : Init BROM
BROM init passed!
CHIP : MT6765 , SBID : 0x8A00 , HWVR : 0xCA00 , SWVR : 0x0000
TYPE : MODERN RAPHAEL
BROM : SecLevel : 0x00000005
BROM : SecMode : SBC+SDA
BROM : PRELOADER PORT
MODE : Vivo : Y83 | Manual : Disabled
AGENT : Look for suitable BootChain in DA ...
AGENT : MTK_AllInOne_DA_VIP.bin
AGENT : Found MT6765
AGENT : MTK_DOWNLOAD_AGENT
BROM : Sending 1st DA ...
BROM : DA sent
BROM :Transfer control to DA ...
DA : AGENT started!
DA : SYNC
DA : MODE : PRELOADER
DA : EXT_RAM initialized!
DA : BOOT to 2nd DA ...
DA : 2ND stage confirmed!
DA : SYNC with DA passed!
DA : Receiving HW info

SRAM: 0x00040000 [ 256.00 KB ]
DRAM: 0x30000000 [ 768.00 MB ]

EMMC: 90014A68423861503E0344D036FA5551
EMMC: VEN : HYNIX | OEM : 4A01 | DEV : hB8aP>
EMMC:
BOOT1 : 0x00400000 [ 4.00 MB ]
BOOT2 : 0x00400000 [ 4.00 MB ]
RPMB : 0x01000000 [ 16.00 MB ]
USER : 0x747C00000 [ 29.12 GB ]

CHIP : MT6765 , SBID : 0x8A00 , HWVR : 0xCA00 , SWVR : 0x0000 , EVOL : 0x0000

RNID : D00FEAF635CD3EBAC5BD1BCE505B8B48

DA : USB : HIGH-SPEED

Boot done!

[FL] : HW verification passed!

SEC_DL : False (RAPHAEL)
SEC_ID : 0x494E46494E495459424F584245535432

[FL] : RePartition
[FL] : RePartition Ok!

[FL] : Flashing now ...

Write : RECOVERY
Write : SURVIVAL
Write : CUST
Write : EFUSE
Write : MD1IMG
Write : MD1DSP
Write : SPMFW
Write : SCP1
Write : SCP2
Write : SSPM_1
Write : SSPM_2
Write : LK
Write : LK2
Write : BOOT
Write : LOGO
Write : ODMDTBO
Write : TEE1
Write : TEE2
Write : VENDOR
Write : SYSTEM
Error : Flashing failed!
Seems as some of MANDATORY section of FW is damaged! If device alive and work - send report!

Reconnect Power/Cable!