htc 820s strange problem

adb info

Code:

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6/18/2018 1:34:14 PM Phone connected [LC523YF02173] *** ADB mode

6/18/2018 1:34:22 PM Reading information...

6/18/2018 1:34:22 PM Using ADB mode...

6/18/2018 1:34:26 PM CID list:  [HTC__001,HTC__J15]


6/18/2018 1:34:26 PM Main CID:  [HTC__001]


6/18/2018 1:34:26 PM Model ID (MID):  [0PGZ10000]


6/18/2018 1:34:26 PM Project:  [A50ML_DTUL_L50_DESIRE_SENSE70]


6/18/2018 1:34:26 PM System version:  [1.20.401.1]


6/18/2018 1:34:26 PM Chipset:  [mt6752]


6/18/2018 1:34:26 PM Hardware:  [mt6752]


6/18/2018 1:34:26 PM Serial no:  [LC523YF02173]


6/18/2018 1:34:26 PM Buildline:  [A50MLDTUL_HTC_WWE_L50_CRC_DesireSense70_Stable]


6/18/2018 1:34:26 PM Sense version:  [7.0]


6/18/2018 1:34:26 PM SKU:  [HTC Europe]


6/18/2018 1:34:26 PM Signed:  [release-keys]


6/18/2018 1:34:26 PM Android version:  [5.0.2]


6/18/2018 1:34:26 PM Disk enecryption:  [unencrypted]


6/18/2018 1:34:26 PM Device:  [htc_a50ml]


6/18/2018 1:34:27 PM Read information completed.

6/18/2018 1:35:10 PM Sending reboot-bootloader

6/18/2018 1:35:11 PM Operation finished

6/18/2018 1:35:11 PM Phone DISconnected

6/18/2018 1:35:20 PM Phone connected [LC523YF02173] *** Fastboot mode

6/18/2018 1:35:21 PM Sending oem reboot-download

6/18/2018 1:35:21 PM ... OKAY

Execution time is 0(ms)

6/18/2018 1:35:21 PM Operation finished

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phone turns on fully shows imei but no service and suddenly restarts and hang on logo

but fastboot info shows nothing even imei zero

Code:

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6/18/2018 1:35:36 PM Phone connected [LC523YF02173] *** Fastboot mode

6/18/2018 1:35:40 PM Reading information...

6/18/2018 1:35:40 PM Using Fastboot mode...

6/18/2018 1:35:40 PM Reading common information

6/18/2018 1:35:41 PM (bootloader) kernel: lk

(bootloader) product: htc_a50ml

(bootloader) version: 1.0

(bootloader) imei: 000000000000000

(bootloader) version-main:

(bootloader) boot-mode: download

(bootloader) version-bootloader: 1.01.0000

(bootloader) mid:

(bootloader) cid:

all:

Execution time is 0(ms)

6/18/2018 1:35:41 PM Reading CID information

6/18/2018 1:35:41 PM ... (bootloader) cid:

OKAY

Execution time is 46(ms)

6/18/2018 1:35:41 PM Reading MEID information

6/18/2018 1:35:41 PM ... FAILREAD MEID ERROR

FAILED (remote: READ MEID ERROR)

Execution time is 0(ms)

6/18/2018 1:35:41 PM Reading IMEI1 information

6/18/2018 1:35:41 PM ... (bootloader) imei: 000000000000000

OKAY

Execution time is 15(ms)

6/18/2018 1:35:41 PM Reading IMEI2 information

6/18/2018 1:35:42 PM ... FAILREAD IMEI2 ERROR

FAILED (remote: READ IMEI2 ERROR)

Execution time is 0(ms)

6/18/2018 1:35:42 PM Reading secure flag information

6/18/2018 1:35:42 PM ... (bootloader) Device security level S-ON

OKAY

Execution time is 0(ms)

6/18/2018 1:35:42 PM Reading serial number information

6/18/2018 1:35:42 PM ... (bootloader) Device Serial No. is LC523YF02173

OKAY

Execution time is 15(ms)

6/18/2018 1:35:42 PM Read information completed.

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flashing done with

Code:

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0PGZIMG_A50ML_DTUL_L50_DESIRE_SENSE70_HTC_Europe_1.20.401.1_Radio_1514P2.P02.0501.0506_release_452533_signed_2_4

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s-off done
mid repair done
cid repair done
now fastboot info shows these details but imei zero
imei repair via special tab screens stucks on process

xtc2clip log
===============================
XTC 2 Clip - service tool v2.33
Detected release: A50ML_DTUL_L50_DESIRE_SENSE70
Detected model:
820s [MTK]
Preparing for work...
Clip ID: 9003xxxx

any suggestions