HTC One Mini Bootloader Loop

Hi there,


First some info on the status of the phone:

***LOCKED***

M4_UL PVT SHIP S-ON RL

HBOOT-2.22.0000

OS-4.14.401.2

eMMC-boot 1024MB

Aug 12 2015, 18:31:50.0


My HTC One Mini is stuck in fastboot mode loop. Trying to boot to recovery or normal will just take me to fastboot, while none of the options in bootloader work (they mostly just reboot my HTC back into fastboot).

The phone is recognized in fastboot most of the time, and I was able to get the OEM code to unlock the bootloader, and while I could run the unlock code:


sending 'unlocktoken' (0 KB)... OKAY [ 0.154s]

writing 'unlocktoken'... INFOunlock token check successfully

OKAY [ 0.009s]

finished. total time: 0.164s


Nothing happens on the phone screen. Most fastboot commands dont bring any success. E. g. erase cache fails or trying to update things fails, too.


My Win10 PC recognizes the device as "My HTC" when in fastboot USB. I’ve tried the rubber band fix, I’ve tried the FUU fix, and I’ve tried “fastboot oem rebootRUU”, which returns:


INFO[ERR] Cmd18 polling status timed out, MCI_STATUS: 0x4C2000

INFO[ERR] sdcc_command: sdcc_poll_status error, rc: 2

INFO[SD_HW_ERR] read data fail in CMD18

INFOCMD18: cmd failed

INFO[SD_HW_ERR] SD: Read data fail..

INFO[ERR] partition_read_emmc(876): error 2

INFOStart Verify: 3

INFO[ERR] Cmd25 polling status timed out, MCI_STATUS: 0x4C0000

INFO[ERR] sdcc_command: sdcc_poll_status error, rc: 2

OKAY [ 0.056s]

finished. total time: 0.057s


Here's my fastboot getvar all:


INFOversion: 0.5

INFOversion-bootloader: 2.22.0000

INFOversion-baseband: N/A

INFOversion-cpld: None

INFOversion-microp: None

INFOversion-main: 4.14.401.2

INFOversion-misc: PVT SHIP S-ON

INFOserialno: (REMOVED)

INFOimei: (REMOVED)

INFOmeid:

INFOproduct: m4_ul

INFOplatform: HBOOT-8930

INFOmodelid: PO5820000

INFOcidnum: HTC__102

INFObattery-status: good

INFObattery-voltage: 3648mV

INFOpartition-layout: Generic

INFOsecurity: on

INFObuild-mode: SHIP

INFOboot-mode: FASTBOOT

INFOcommitno-bootloader: dirty-0e1af350

INFOhbootpreupdate: 11

INFOgencheckpt: 0

all: Done!

I’m really stumped, so any help would be appreciated. Thanks in advance!

Minas

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