n9137 unbrick done using umt and testpoint

Operation : Flash
Checking for existing devices...Found
Port : Qualcomm HS-USB QDLoader 9008 (COM3)
Driver Info : Qualcomm Incorporated, qcusbser.sys, 2.1.2.9
Opening Port...OK
Init Handshake Sequence...OK
Hardware ID : E1009600 [8909] 00000400
OPK_DATA : A4F889863F66ABF67892BE4BFC68025AF5E25CB69AE2BAA25D FF4BCA141C5EBA
Initializing Protocol...OK
Using Auto Loader Selection [1]
Preparing Firehose Loader...Done
Sending Loader [8909_046.ufl]...Done
Executing Loader...OK
Detecting Chip Type...OK
Hardware : 8909, eMMC, 8 GB
LU Count : 1 [0x00E90000]
WARNING! High Speed Driver is not installed.
Please install driver from QcFire\Drivers folder using Device Manager.
Payload Info : In: 65536 [4096], Out: 1048576, Sector Size: 512
Writing [sbl1.mbn] -> [sbl1] ...Done
Writing [rpm.mbn] -> [rpm] ...Done
Writing [tz.mbn] -> [tz] ...Done
Writing [sec.dat] -> [sec] ...Done
Writing [splash.img] -> [splash] ...Done
Writing [emmc_appsboot.mbn] -> [aboot] ...Done
Writing [NON-HLOS.bin] -> [modem] ...Done
Writing [boot.img] -> [boot] ...Done
Writing [recovery.img] -> [recovery] ...Done
Writing [misc.img] -> [misc] ...Done
Writing [oem.img] -> [oem] ...Done
Writing [persist.img] -> [persist] ...Done
Writing [system.img] -> [system] ...Done
Resetting device...Failed
Remove cable, reconnect battery / hold Power Button ~15 seconds.
Operation Finished.