[HTC Sensation XL] MinecraftZombi.es:
I don't think that will help. the eng hboot doesn't support the write_secure_flag command

C:\adb>fastboot oem h
...
(bootloader) command list
(bootloader) mb
(bootloader) mh
(bootloader) mw
(bootloader) ew
(bootloader) eh
(bootloader) eb
(bootloader) mmu
(bootloader) ram_test
(bootloader) jump
(bootloader) test
(bootloader) sdtest
(bootloader) eraseconfig
(bootloader) writeconfig
(bootloader) readconfig
(bootloader) writesku
(bootloader) readsku
(bootloader) rflash
(bootloader) tflash
(bootloader) block_test
(bootloader) partition_test
(bootloader) rbchk
(bootloader) erasesd
(bootloader) btrouter
(bootloader) nfcrouter
(bootloader) nfcreader
(bootloader) nfccard
(bootloader) nfcversion
(bootloader) nfcdl
(bootloader) nfctransaction
(bootloader) tick
(bootloader) heaptable
(bootloader) sysinfo
(bootloader) emapi
(bootloader) emapiTest
(bootloader) emapiCountryID
(bootloader) emapiWlanMac
(bootloader) emapiSetDefCal
(bootloader) emapiReadCal
(bootloader) lr
(bootloader) imgcrc
(bootloader) resetautoimage
(bootloader) resetpreferdiag
(bootloader) resetRUUflag
(bootloader) writeserialno
(bootloader) readserialno
(bootloader) battcheck
(bootloader) enter
(bootloader) gotofastboot
(bootloader) writemid
(bootloader) usbtestmode
(bootloader) eraseWifiFlash
(bootloader) erase
(bootloader) readmbserialno
(bootloader) listpartition
(bootloader) erasebcid
(bootloader) writebcid
(bootloader) readbcid
(bootloader) fmrouter
(bootloader) fmtx
(bootloader) resetuP
(bootloader) bdaddress
(bootloader) readbdaddr
(bootloader) resetgift
(bootloader) wMfgTp
(bootloader) rMfgTp
(bootloader) emptypagecheck
(bootloader) saveprt2sd
(bootloader) savemem2sd
(bootloader) savefb2sd
(bootloader) emapiInit
(bootloader) emapiChannel
(bootloader) emapiBand
(bootloader) emapiRate
(bootloader) emapiRateset
(bootloader) emapiCountry
(bootloader) emapiTXpwr1
(bootloader) emapiPkteng_start
(bootloader) emapiPkteng_stop
(bootloader) emapiOut
(bootloader) emapiFqacurcy
(bootloader) emapiCrsuprs
(bootloader) emapiUp
(bootloader) emapiDown
(bootloader) emapiMpc
(bootloader) emapiCounters
(bootloader) emapiVersion
(bootloader) emapiEtheraddr
(bootloader) emapinRate
(bootloader) emapiSetIrqPin
(bootloader) usblog
(bootloader) bkflash2emmc
(bootloader) fl
(bootloader) loaddiag
(bootloader) lnb
(bootloader) init_a1026_fw
(bootloader) checkKeyCard
(bootloader) usbspeed
(bootloader) ats
(bootloader) gpiow
(bootloader) gpior
(bootloader) mddiw
(bootloader) mddir
(bootloader) clock
(bootloader) i2cr
(bootloader) i2cw
(bootloader) i2ctest
(bootloader) ulpi
(bootloader) changeCid
(bootloader) powertest
(bootloader) read_l2_acc_fuse
(bootloader) qupi2cr
(bootloader) qupi2cw
(bootloader) pmgpiow
(bootloader) pmgpior
(bootloader) dgtest
(bootloader) entpa2051
(bootloader) bumpclk
(bootloader) switch_ddrfeq
(bootloader) simswitch
(bootloader) ad71_test
(bootloader) ad71_calibration
(bootloader) ad71_i2cr
(bootloader) ad71_i2cw
(bootloader) readmeid
(bootloader) emmc_boot
(bootloader) fdisk_emmc
(bootloader) set_partition_emmc
(bootloader) erase_emmc
(bootloader) test_emmc
(bootloader) sector_erase_emmc
(bootloader) fat_format_emmc
(bootloader) init_emmc
(bootloader) reinit_emmc
(bootloader) write_mmc
(bootloader) read_sandisk_fw
(bootloader) set_wp_emmc
(bootloader) write_prot_test
(bootloader) clear_wp_emmc
(bootloader) set_enh_area_emmc
(bootloader) get_identifier_token
(bootloader) keytest
(bootloader) heap
(bootloader) boot
(bootloader) reset
(bootloader) powerdown
(bootloader) rebootRUU
(bootloader) heap_test
(bootloader) gotohboot
(bootloader) rtask
(bootloader) task
(bootloader) enableqxdm
(bootloader) gencheckpt
(bootloader) lock
(bootloader) list_partition_emmc
(bootloader) load_emmc
(bootloader) check_emmc
(bootloader) check_emmc_mid
(bootloader) read_mmc
(bootloader) get_wp_info_emmc
(bootloader) send_wp_info_emmc
(bootloader) get_ext_csd_emmc
(bootloader) get_sector_info_emmc
OKAY [ 0.172s]
finished. total time: 0.172s