[AT&T, Rogers HTC One X, Telstra One XL] s0crates82:
Oh man. Good stuff. Worked great!

MACHINE:platform-tools user$ adb devices
List of devices attached
HT28JW302xxx	device

MACHINE:platform-tools user$ md5 soffbin3.zip
MD5 (soffbin3.zip) = 2452407e82afc9f64b909ea8fd9f8e3e
MACHINE:platform-tools user$ md5 PJ8312000-OneX.zip
MD5 (PJ8312000-OneX.zip) = 99a8eced1010543e12cbd4e4e8f9638f
MACHINE:platform-tools user$ adb reboot bootloader
MACHINE:platform-tools user$ fasboot getvar cid
-bash: fasboot: command not found
MACHINE:platform-tools user$ fastboot getvar cid
cid: 11111111
finished. total time: 0.002s
MACHINE:platform-tools user$ fastboot oem rebootRUU
...
(bootloader) Start Verify: 3
OKAY [ 0.687s]
finished. total time: 0.687s
MACHINE:platform-tools user$ fastboot flash zip PJ8312000-OneX.zip
sending 'zip' (36064 KB)...
OKAY [ 2.921s]
writing 'zip'...
(bootloader) adopting the signature contained in this image...
FAILED (remote: 92 supercid! please flush image again immediately)
finished. total time: 3.035s
MACHINE:platform-tools user$ fastboot oem boot
...
(bootloader) Boot/Recovery signature checking...
(bootloader) Boot/Recovery signature checking...
(bootloader) setup_tag addr=0x80400100 cmdline add=0xC02F50C4
(bootloader) TAG:Ramdisk OK
(bootloader) TAG:skuid 0x2FD0C
(bootloader) TAG:hero panel = 0x4940047
(bootloader) TAG:engineerid = 0x5
(bootloader) TAG: PS ID = 0x0
(bootloader) TAG: Gyro ID = 0x2
(bootloader) Device CID is super CID
(bootloader) CID is super CID
(bootloader) Backup CID is empty
(bootloader) setting->cid::11111111
(bootloader) serial number: HT28JW302xxx
(bootloader) commandline from head: console=ttyHSL0,115200,n8 androidboot
(bootloader) .hardware=qcom
(bootloader) command line length =789
(bootloader) active commandline: poweron_status=32 reset_status=0 board_e
(bootloader) lite.disable_uart3=0 diag.enabled=0 board_elite.debug_uart=0
(bootloader) userdata_sel=0 androidboot.emmc=true androidboot.pagesize=2
(bootloader) 048 skuid=0 ddt=20 ats=0 androidboot.lb=1 td.sf=1 td.td=1 t
(bootloader) d.ofs=328 td.prd=1 td.dly=0 td.tmo=300 hlog.ofs=628 un.ofs=6
(bootloader) 94 imc_online_log=0 androidboot.efuse_info=NFSL androidboot
(bootloader) .baseband=0.24p.32.09.06 androidboot.cid=11111111 androidboo
(bootloader) t.devicerev=3 androidboot.batt_poweron=good_battery androidb
(bootloader) oot.carrier=ALL andr
(bootloader) aARM_Partion[0].name=misc
(bootloader) aARM_Partion[1].name=recovery
(bootloader) aARM_Partion[2].name=boot
(bootloader) aARM_Partion[3].name=system
(bootloader) aARM_Partion[4].name=local
(bootloader) aARM_Partion[5].name=cache
(bootloader) aARM_Partion[6].name=userdata
(bootloader) aARM_Partion[7].name=devlog
(bootloader) aARM_Partion[8].name=pdata
(bootloader) aARM_Partion[9].name=fat
(bootloader) aARM_Partion[A].name=extra
(bootloader) aARM_Partion[B].name=reserve
(bootloader) aARM_Partion[C].name=radio
(bootloader) aARM_Partion[D].name=adsp
(bootloader) aARM_Partion[E].name=dsps
(bootloader) aARM_Partion[F].name=wcnss
(bootloader) aARM_Partion[10].name=radio_config
(bootloader) aARM_Partion[11].name=modem_st1
(bootloader) aARM_Partion[12].name=modem_st2
(bootloader) aARM_Partion[13].name=reserve
(bootloader) partition number=20
(bootloader) Valid partition num=20
(bootloader) setting_get_bootmode() = 9
(bootloader) ram size = 0
(bootloader) TZ_HTC_SVC_SET_DDR_MPU ret = 0
(bootloader) smem 90005000 (phy 90005000): TZ_HTC_SVC_UPDATE_SMEM ret = 0
(bootloader) TZ_HTC_SVC_LOG_OPERATOR ret = 0
(bootloader) TZ_HTC_SVC_ENC ret = 0
(bootloader) TZ_HTC_SVC_DISABLE ret = 474079232 (0x1C41E000)
(bootloader) Start Verify: 3
(bootloader) jump_to_kernel: machine_id(3766), tags_addr(0x80400100), ker
(bootloader) nel_addr(0x80408000)
(bootloader) -------------------hboot boot time:10598 msec
ERROR: usb_read failed with status e00002ed
FAILED (status read failed (No such file or directory))
finished. total time: 6.231s
MACHINE:platform-tools user$ adb devices
List of devices attached
HT28JW302xxx	device

MACHINE:platform-tools user$ adb push soffbin3 /data/local/tmp/
702 KB/s (4751 bytes in 0.006s)
MACHINE:platform-tools user$ adb shell chmod 744 /data/local/tmp/soffbin3
MACHINE:platform-tools user$ adb shell su -c "/data/local/tmp/soffbin3"
MACHINE:platform-tools user$ adb reboot bootloader
MACHINE:platform-tools user$ fastboot getvar s
getvar:s FAILED (remote: unknown command)
finished. total time: 0.002s
MACHINE:platform-tools user$ fastboot getvar security
security: off
finished. total time: 0.002s