HTC OPGZ120 D820ys IMEI repair failed... Need help ASAP

[Ransiri]

Read Info

Card found : S/N : 9619A483 , v0136
Chinese Miracle II [MTK module] v 1.58

Operation : Check / Read Info [ v1.58 ]

1. Power Off Phone , Remove battery , Insert back
2. Insert USB cable. In some cases require hold BootKey

Wait for phone...
Phone found! [ 149 ]
Sync...
Inital Boot Ok!
BB_CPU_PID : 6752
BB_CPU_NME : [MediaTek] MT6732|MT6752_S00
BB_CPU_EXT : 0xCA01 , 0x8A00 , 0x0000
Processing BROM stage
Settings for BROM configured!
SecCfgVal : 0x00000000
BromVer : 0x00FF
BLVersion : 0x0001
PreLoader : Active [ Boot with PL ]
BootLdrSS : NORMAL with PRELOADER
Processing DA stage
DA Select done, will use MTK_AllInOne_DA_v5.1624.16.07
Sending and initialize DA ...
Running DA ver.4.2 on BBID : 0x8F
NAND Flash : NOT INSTALLED
eMMC Flash : 90014A48414732650503A0A5A435328D
Initialize Memory ...
DRAM already initialized by Preloader
DAgent sent , init HW now
eMMC FlashIC initialized
[eMMC] : FLASH_VEN : 0x90 , OEM : 014A
[eMMC] : FLASH_INF : [HYNIX] , e2GA
[eMMC] : FLASH_CID : 90014A48414732650503A0A5A435328D
[eMMC] : FLASH_BRT : 0x00400000 , 0x00400000 , 0x00400000
[eMMC] : FLASH_LEN : 0x00000003AB800000
[eMMC] : FLASH_UCP : 15032 MiB [eMMC 16 GiB]
DEV RID : 0xEE4F9091C337AC9343C1B9FE45ECC694
INT RAM : 0x00020000
EXT RAM : 0x80000000 [2 GiB]
BOOT TYPE : EMMC_FLASH_BOOT
SOC VERIFY : C1
Boot Ok!

[AP] : Initial info read Ok!

Brand : htc
ProdName : a50ml_dtul_htc_asia_wwe
ProdModel : HTC Desire 820s dual sim
Device : htc_a50ml_dtul
AndroidVer: 4.4.4
MTKxCPU : MT6752
MTKxPRJ : ALPS.KK2.MP13.V1.1

SECURITY :
IMEI_SW [1] : 355636758756755
IMEI_SW [2] : 355636758756763
BTMAC Addr : 000046675201
WiFi MAC : 000000000000

MODEM :
BaseBand : MT6752_S00_MOLY_LR9_W1423_MD_LWTG_CMCC_MP_V1_P21_1 _ltg_n

EXTRA :
LCD [0] : hx8394d_hd720_dsi_vdo_tianma
LCD [1] : hx8394d_hd720_dsi_vdo_truly
LCD [2] : nt35521_hd720_dsi_vdo_truly
LCD [3] : #otm8018b_fwvga_dsi_vdo_boe
LCD Res : 1280x720
TOUCH [0] : hx8527
CAM [0] : ov13850_mipi_raw
CAM [1] : s5k3l2xx_mipi_raw
CAM [2] : s5k4h5yc_mipi_raw
CAM [3] : hi841_mipi_raw_lct#ov5648_mipi_raw
CAM [4] : sp0a20_mipi_yuv
CAM [5] : gc0310mipi_yuv
MODEM : mt6752k52_md1_lttg_dsds_CM620 mt6752k52_md1_lwg_dsds_CM620
LOCALE : en_IN en_US en_GB zh_TW zh_CN zh_HK in_ID th_TH vi_VN de_DE es_ES fr_FR it_IT nl_NL pt_PT sv_SE tr_TR ru_RU hi_IN ms_MY bg_BG hr_HR cs_CZ da_DK fi_FI el_GR iw_IL hu_HU lv_LV lt_LT nb_NO fa_IR pl_PL ro_RO sk_SK es_US uk_UA ar_IL

Done!
Elapsed: 00:00:14
Reconnect Power/Cable!

Repair Security

Operation : Repair Security [ v1.58 ]

1. Power Off Phone , Remove battery , Insert back
2. Insert USB cable. In some cases require hold BootKey

Wait for phone...
Phone found! [ 149 ]
Sync...
Init Ok, waiting for phone ...
Reading initial info, wait...
Phone Info :
Security Info :
IMEI [1] : Damaged!
IMEI [2] : Damaged or not exists
Read Ok!
Update IMEI[1] to : 354765765677760 failed , record not exist or NVRAM damaged!
Update IMEI[2] to : 354657877887785 failed , record not exist or NVRAM damaged!

Done!
Elapsed: 00:05:34
Reconnect Power/Cable!

I wanna know exact method to repair this. Its hard to find same model to read NVRAM backup. Is there any other alternative options to repair this?

[Ransiri]

No one need help or no one no about it?

[emmaugoh]

sometimes its hardware.. repair baseband and try again or try writing with mobileuncle