C:\android>fastboot erase cache
erasing 'cache'...
OKAY [  0.061s]
finished. total time: 0.063s

C:\android>fastboot getvar all
(bootloader) version: 0.5
(bootloader) version-bootloader: 1.44.0000
(bootloader) version-baseband: 4M.27.3218.14
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 1.29.401.12
(bootloader) version-misc: PVT SHIP S-OFF
(bootloader) product: m7_ul
(bootloader) platform: HBOOT-8064
(bootloader) modelid: PN0712000
(bootloader) cidnum: CWS__001
(bootloader) battery-status: good
(bootloader) battery-voltage: 4209mV
(bootloader) partition-layout: Generic
(bootloader) security: off
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-f188f379dbbfee373cd551f7bc62b8435
getvar:all FAILED (unknown status code)
finished. total time: 0.163s


C:\android>fastboot oem rebootRUU
...
(bootloader) Start Verify: 0
OKAY [  0.048s]
finished. total time: 0.050s

C:\android>fastboot flash zip 7.15.401.1-Combined_TWRP2840_NoWipe-cidcws.zip
sending 'zip' (40953 KB)...
OKAY [  3.970s]
writing 'zip'...
(bootloader) zip header checking...
(bootloader) zip info parsing...
(bootloader) checking model ID...
(bootloader) checking custom ID...
(bootloader) start image[hboot] unzipping for pre-update check...
(bootloader) start image[hboot] flushing...
(bootloader) [RUU]WP,hboot,0
(bootloader) [RUU]WP,hboot,99
(bootloader) [RUU]WP,hboot,100
(bootloader) ...... Successful
FAILED (remote: 90 hboot pre-update! please flush image again immediately)
finished. total time: 5.352s

C:\android>fastboot flash zip 7.15.401.1-Combined_TWRP2840_NoWipe-cidcws.zip
< waiting for device >
target reported max download size of 1514139648 bytes
sending 'zip' (40953 KB)...
OKAY [  4.063s]
writing 'zip'...
(bootloader) zip header checking...
(bootloader) zip info parsing...
(bootloader) checking model ID...
(bootloader) checking custom ID...
(bootloader) start image[adsp] unzipping & flushing...
(bootloader) [RUU]UZ,adsp,0
(bootloader) [RUU]UZ,adsp,15
(bootloader) [RUU]UZ,adsp,27
(bootloader) [RUU]UZ,adsp,37
(bootloader) [RUU]UZ,adsp,49
(bootloader) [RUU]UZ,adsp,60
(bootloader) [RUU]UZ,adsp,72
(bootloader) [RUU]UZ,adsp,82
(bootloader) [RUU]UZ,adsp,94
(bootloader) [RUU]UZ,adsp,100
(bootloader) [RUU]WP,adsp,0
(bootloader) [RUU]WP,adsp,100
(bootloader) ...... Successful
(bootloader) start image[cir] unzipping & flushing...
(bootloader) [RUU]UZ,cir,0
(bootloader) [RUU]UZ,cir,100
(bootloader) ...... Successful
(bootloader) start image[pg2fs_spcustom] unzipping & flushing...
(bootloader) [RUU]UZ,pg2fs_spcustom,0
(bootloader) [RUU]UZ,pg2fs_spcustom,22
(bootloader) [RUU]UZ,pg2fs_spcustom,48
(bootloader) [RUU]UZ,pg2fs_spcustom,70
(bootloader) [RUU]UZ,pg2fs_spcustom,97
(bootloader) [RUU]UZ,pg2fs_spcustom,100
(bootloader) ...... Successful
(bootloader) start image[recovery] unzipping & flushing...
(bootloader) [RUU]UZ,recovery,0
(bootloader) [RUU]UZ,recovery,8
(bootloader) [RUU]UZ,recovery,17
(bootloader) [RUU]UZ,recovery,25
(bootloader) [RUU]UZ,recovery,30
(bootloader) [RUU]UZ,recovery,38
(bootloader) [RUU]UZ,recovery,47
(bootloader) [RUU]UZ,recovery,68
(bootloader) [RUU]UZ,recovery,73
(bootloader) [RUU]UZ,recovery,81
(bootloader) [RUU]UZ,recovery,86
(bootloader) [RUU]UZ,recovery,94
(bootloader) [RUU]UZ,recovery,100
(bootloader) [RUU]WP,recovery,0
(bootloader) [RUU]WP,recovery,100
(bootloader) ...... Successful
(bootloader) start image[rpm] unzipping & flushing...
(bootloader) [RUU]UZ,rpm,0
(bootloader) [RUU]UZ,rpm,100
(bootloader) [RUU]WP,rpm,0
(bootloader) [RUU]WP,rpm,100
(bootloader) ...... Successful
(bootloader) start image[sbl1-1] unzipping & flushing...
(bootloader) [RUU]UZ,sbl1-1,0
(bootloader) [RUU]UZ,sbl1-1,100
(bootloader) signature checking...
(bootloader) verified fail
(bootloader) ..... Bypassed
(bootloader) start image[sbl1-2] unzipping & flushing...
(bootloader) [RUU]UZ,sbl1-2,0
(bootloader) [RUU]UZ,sbl1-2,100
(bootloader) signature checking...
(bootloader) verified fail
(bootloader) ..... Bypassed
(bootloader) start image[sbl1-3] unzipping & flushing...
(bootloader) [RUU]UZ,sbl1-3,0
(bootloader) [RUU]UZ,sbl1-3,100
(bootloader) signature checking...
(bootloader) [RUU]WP,sbl1-3,0
(bootloader) [RUU]WP,sbl1-3,100
(bootloader) ...... Successful
(bootloader) start image[sbl1-4] unzipping & flushing...
(bootloader) [RUU]UZ,sbl1-4,0
(bootloader) [RUU]UZ,sbl1-4,100
(bootloader) signature checking...
(bootloader) verified fail
(bootloader) ..... Bypassed
(bootloader) start image[sbl1-5] unzipping & flushing...
(bootloader) [RUU]UZ,sbl1-5,0
(bootloader) [RUU]UZ,sbl1-5,100
(bootloader) signature checking...
(bootloader) verified fail
(bootloader) ..... Bypassed
(bootloader) start image[sbl2] unzipping & flushing...
(bootloader) [RUU]UZ,sbl2,0
(bootloader) [RUU]UZ,sbl2,100
(bootloader) [RUU]WP,sbl2,0
(bootloader) [RUU]WP,sbl2,100
(bootloader) ...... Successful
(bootloader) start image[sbl3] unzipping & flushing...
(bootloader) [RUU]UZ,sbl3,0
(bootloader) [RUU]UZ,sbl3,100
(bootloader) [RUU]WP,sbl3,0
(bootloader) [RUU]WP,sbl3,100
(bootloader) ...... Successful
(bootloader) start image[tp] unzipping & flushing...
(bootloader) [RUU]UZ,tp,0
(bootloader) [RUU]UZ,tp,100
(bootloader) ..... Bypassed
(bootloader) start image[tp] unzipping & flushing...
(bootloader) [RUU]UZ,tp,0
(bootloader) [RUU]UZ,tp,100
(bootloader) ...... Successful
(bootloader) start image[tz] unzipping & flushing...
(bootloader) [RUU]UZ,tz,0
(bootloader) [RUU]UZ,tz,100
(bootloader) [RUU]WP,tz,0
(bootloader) [RUU]WP,tz,100
(bootloader) ...... Successful
(bootloader) start image[radio] unzipping & flushing...
(bootloader) [RUU]UZ,radio,0
(bootloader) [RUU]UZ,radio,5
(bootloader) [RUU]UZ,radio,11
(bootloader) [RUU]UZ,radio,17
(bootloader) [RUU]UZ,radio,23
(bootloader) [RUU]UZ,radio,29
(bootloader) [RUU]UZ,radio,34
(bootloader) [RUU]UZ,radio,40
(bootloader) [RUU]UZ,radio,46
(bootloader) [RUU]UZ,radio,52
(bootloader) [RUU]UZ,radio,58
(bootloader) [RUU]UZ,radio,63
(bootloader) [RUU]UZ,radio,69
(bootloader) [RUU]UZ,radio,75
(bootloader) [RUU]UZ,radio,81
(bootloader) [RUU]UZ,radio,86
(bootloader) [RUU]UZ,radio,92
(bootloader) [RUU]UZ,radio,99
(bootloader) [RUU]UZ,radio,100
(bootloader) [RUU]WP,radio,0
(bootloader) [RUU]WP,radio,23
(bootloader) [RUU]WP,radio,46
(bootloader) [RUU]WP,radio,69
(bootloader) [RUU]WP,radio,92
(bootloader) [RUU]WP,radio,100
(bootloader) ...... Successful
(bootloader) start image[rcdata] unzipping & flushing...
(bootloader) [RUU]UZ,rcdata,0
(bootloader) [RUU]WP,rcdata,0
(bootloader) ...... Successful
OKAY [ 53.672s]
finished. total time: 57.740s

C:\android>fastboot erase cache
******** Did you mean to fastboot format this partition?
erasing 'cache'...
OKAY [  0.059s]
finished. total time: 0.062s


C:\android>fastboot reboot-bootloader
rebooting into bootloader...
OKAY [  0.037s]
finished. total time: 0.040s



((((((((((booting to recovery at this point)))))))))))



C:\android>adb devices
List of devices attached


C:\android>adb kill-server

C:\android>adb devices
List of devices attached
HT341W913517    device


C:\android>adb shell
~ # ←[6nls
ls
boot                   init.rc                seapp_contexts
cache                  init.recovery.qcom.rc  sepolicy
data                   license                sideload
default.prop           lpm.rc                 supersu
dev                    proc                   sys
etc                    property_contexts      system
file_contexts          recovery               tmp
fstab.goldfish         res                    ueventd.goldfish.rc
fstab.qcom             root                   ueventd.rc
init                   sbin
~ # ←[6nexit
exit



C:\android>adb reboot-bootloader

C:\android>

C:\android>fastboot getvar all
(bootloader) version: 0.5
(bootloader) version-bootloader: 1.60.0000
(bootloader) version-baseband: 4T.33.3218.15
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 7.15.401.1
(bootloader) version-misc: PVT SHIP S-OFF
(bootloader) product: m7_ul
(bootloader) platform: HBOOT-8064
(bootloader) modelid: PN0712000
(bootloader) cidnum: CWS__001
(bootloader) battery-status: good
(bootloader) battery-voltage: 4235mV
(bootloader) partition-layout: Generic
(bootloader) security: off
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-91bb20e1
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
all: Done!
finished. total time: 0.132s

C:\android>