[Android Q&A, Help & Troubleshooting] uberdude420:
actually just seen that and re did with

<?xml version="1.0"?>

<data>

<program start_sector="262144" sparse="false" readbackverify="false" physical_partition_number="0" partofsingleimage="false" num_partition_sectors="131072" label="boot_b" filename="magisk_patched.img" file_sector_offset="0" SECTOR_SIZE_IN_BYTES="512"/>

</data>

succeeded.... still no root :/ lol

c:\flashtools>fh_loader.exe --port=\\.\COM11 --sendxml=xmlfile1.xml --lun=0 --memoryname=emmc --noprompt --reset

Base Version: 17.07.28.15.44

Binary build date: Jul 28 2017 @ 18:08:54

Incremental Build version: 17.07.28.18.08.54

20:58:16: INFO: FH_LOADER WAS CALLED EXACTLY LIKE THIS

************************************************

fh_loader.exe --port=\\.\COM11 --sendxml=xmlfile1.xml --lun=0 --memoryname=emmc --noprompt --reset

************************************************

20:58:16: INFO: Current working dir (cwd): c:\flashtools\

20:58:16: INFO: Showing network mappings to allow debugging

20:58:16: INFO:

20:58:16: INFO: Trying to store 'xmlfile1.xml' in string table

20:58:16: INFO: Looking for file 'xmlfile1.xml'

20:58:16: INFO: User wants to talk to port '\\.\COM11'

20:58:16: INFO: Took 0.00000000 seconds to open port

20:58:16: INFO: Sorting TAGS to ensure order is <configure>,<erase>, others, <patch>,<power>

20:58:16: INFO: If you don't want this, use --dontsorttags

20:58:16: INFO: Sending <configure>

20:58:16: INFO: TARGET SAID: 'Binary build date: Aug 6 2018 @ 20:55:38'

20:58:16: INFO: TARGET SAID: 'Chip serial num: 0 (0x0)'

20:58:16: INFO: TARGET SAID: 'Supported Functions: program configure nop firmwarewrite patch setbootablestoragedrive ufs emmc power benchmark read getstorageinfo getsha256digest erase peek poke '

20:58:16: INFO: TARGET SAID: 'Calling usb_al_bulk_set_zlp_mode(TRUE) since ZlpAwareHost='1''

20:58:16: INFO: fh.attrs.MaxPayloadSizeToTargetInBytes = 1048576

20:58:16: INFO: fh.attrs.MaxPayloadSizeToTargetInBytesSupported = 1048576

20:58:16: INFO: In handleProgram('magisk_patched.img')

20:58:16: INFO: Looking for file 'magisk_patched.img'

20:58:16: INFO: =======================================================

20:58:16: INFO: {<program> FILE: 'magisk_patched.img'}

20:58:16: INFO: {<program> (47.31 MB) 96883 sectors needed at location 262144 on LUN 0}

20:58:16: INFO: =======================================================

20:58:16: INFO: TARGET SAID: 'start 262144, num 96883'

20:58:18: INFO: Overall to target 2.031 seconds (19.20 MBps)

20:58:18: INFO: Overall to target 2.531 seconds (18.69 MBps)

20:58:18: INFO: TARGET SAID: 'Finished programming start_sector 359027 and TotalSectorsToProgram 96883'

20:58:18: INFO:

20:58:18: INFO: =======================================================

20:58:18: INFO: ==================== {SUCCESS} ========================

20:58:18: INFO: =======================================================

20:58:18: INFO: Sending <power>

20:58:18: INFO: TARGET SAID: 'Inside handlePower() - Requested POWER_RESET'

20:58:18: INFO: TARGET SAID: 'Issuing bsp_target_reset() after 10 seconds, if this hangs, do you have WATCHDOG enabled?'

20:58:18: INFO: ==============================================================

20:58:18: INFO: Files used and their paths

20:58:18: INFO: 1 'c:\flashtools\port_trace.txt'

20:58:18: INFO: 2 'c:\flashtools\xmlfile1.xml'

20:58:18: INFO: 3 'c:\flashtools\magisk_patched.img'

20:58:18: INFO: _ (done)

20:58:18: INFO: | |

20:58:18: INFO: __| | ___ _ __ ___

20:58:18: INFO: / _` |/ _ \| '_ \ / _ \

20:58:18: INFO: | (_| | (_) | | | | __/

20:58:18: INFO: \__,_|\___/|_| |_|\___|

20:58:18: INFO: {All Finished Successfully}

20:58:18: INFO: Overall to target 2.750 seconds (17.20 MBps)

Writing log to 'c:\flashtools\port_trace.txt', might take a minute

Log is 'c:\flashtools\port_trace.txt'

c:\flashtools>