[HELP] My Htc one M8 phone will not boot. - One (M8) Q&A, Help & Troubleshooting

hello, i'm new to this site and to rooting. I believe i tried to root this phone probably a good 3 years ago and failed, so i left it. i cant remember exactly what failed. but now my htc one m8 will not boot, however I can access the basic recovery however i can not factory reset it from here. just swaps to the htc logo. I can not flash TWRP or any type of recovery, it is unlocked and s-on. here is my error when i try and flash the recovery:
Invalid sparse file format at header magic
Sending sparse 'recovery' 1/2 (16380 KB) OKAY [ 1.710s]
Writing sparse 'recovery' 1/2 FAILED (remote: image error! (BootMagic check fail))
Finished. Total time: 1.898s
i don't know any other information i should give in this post ill try my best and give any info required, i just dont know what is., I deeply appreciate any effort in getting my device back up and running

heres more info
(bootloader) version: 0.5
(bootloader) version-bootloader: 3.19.0.0000
(bootloader) version-baseband: [email protected]
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 2.11.161.1
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) serialno:
(bootloader) imei:
(bootloader) imei2: Not Support
(bootloader) meid: 00000000000000
(bootloader) product: m8ql_ul
(bootloader) platform: hTCBmsm8939
(bootloader) modelid: 0PKV10000
(bootloader) cidnum: VODAP001
(bootloader) battery-status: good
(bootloader) battery-voltage: 0mV
(bootloader) partition-layout: Generic
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: 0b9a12e3
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
(bootloader) mfg-name: 0001

pmccaul1410 said:
Writing sparse 'recovery' 1/2 FAILED (remote: image error! (BootMagic check fail))
Click to expand...
Click to collapse
You have the M8s variant. Are you flashing the TWRP version specific to the M8s? It is required, as the TWRP for the "standard" M8 will not work (and probably the reason for the error message).
See the M8s section for more info, the right TWRP version, etc: https://forum.xda-developers.com/htc-one-m8/one-m8s-general

hi, thanks for taking the time to help me out. i flashed the recovery from there and got a different error
target reported max download size of 16773120 bytes
Invalid sparse file format at header magi
error: write_sparse_skip_chunk: don't care size 4941824 is not a multiple of the block size 4096
sending sparse 'recovery' (16379 KB)...
error: write_sparse_skip_chunk: don't care size 4941824 is not a multiple of the block size 4096
error: write_sparse_skip_chunk: don't care size 4941824 is not a multiple of the block size 4096
OKAY [ 1.827s]
writing 'recovery'...
FAILED (remote: image error! (BootMagic check fail))
finished. total time: 1.845s

Related

Verizon HTC one stuck in bootloader with s-off

I used firewater to unlock and s-off my HTC One with 4.3. Everything went well and I installrd TWRP. I did a back up and when I restarted the phone it said No OS. After trying so many things I ended up, only able to boot into bootloader with no recovery or os and anything I try to send to the phone fails.
C:\platform-tools>fastboot getvar all
(bootloader) version: 0.5
(bootloader) version-bootloader: 1.55.0000
(bootloader) version-baseband: N/A
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main:
(bootloader) version-misc: XA SHIP S-OFF
(bootloader) serialno:
(bootloader) imei:
(bootloader) meid:
(bootloader) product: m7_wlv
(bootloader) platform: HBOOT-8064
(bootloader) modelid: PN073****
(bootloader) cidnum: VZW__001
(bootloader) battery-status: good
(bootloader) battery-voltage: 4256mV
(bootloader) partition-layout: Generic
(bootloader) security: off
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-3c88cdd7
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
all: Done!
finished. total time: 0.110s
This is what I get when I try to flash a new recovery.
C:\platform-tools>fastboot flash recovery openrecovery-twrp-2.6.3.3-m7vzw.img
target reported max download size of 1526722560 bytes
sending 'recovery' (9744 KB)...
OKAY [ 1.166s]
writing 'recovery'...
FAILED (remote: image update error)
finished. total time: 1.326s
Thanks for any in put guys.
Make sure you open command prompt in administrator mode. Try renaming your recovery to recovery.img. And make sure you can see file extensions on your computer. If file extensions are hidden and you add that img at the end,it could really be recovery.img.img.
joeymagnus1 said:
Make sure you open command prompt in administrator mode. Try renaming your recovery to recovery.img. And make sure you can see file extensions on your computer. If file extensions are hidden and you add that img at the end,it could really be recovery.img.img.
Click to expand...
Click to collapse
I tried this and it failed....
C:\platform-tools>fastboot oem rebootRUU
...
(bootloader) [ERR] Cmd18 polling status timed out, MCI_STATUS: 0x4C2000
(bootloader) [ERR] sdcc_command: sdcc_poll_status error, rc: 2
(bootloader) [SD_HW_ERR] read data fail in CMD18
(bootloader) CMD18: cmd failed
(bootloader) [SD_HW_ERR] SD: Read data fail..
(bootloader) [ERR] partition_read_emmc(876): error 2
(bootloader) Start Verify: 0
(bootloader) [ERR] Cmd25 polling status timed out, MCI_STATUS: 0x4C0000
(bootloader) [ERR] sdcc_command: sdcc_poll_status error, rc: 2
OKAY [ 0.057s]
finished. total time: 0.057s
C:\platform-tools>fastboot flash zip Twrp_2.6.3.4_RUU_Mode.zip
target reported max download size of 1526722560 bytes
sending 'zip' (9278 KB)...
OKAY [ 1.150s]
writing 'zip'...
FAILED (remote: not allowed)
finished. total time: 1.185s
C:\platform-tools>
I got the same errors running as adm... Should I try this? Someone had a similar problem but he was S-On.
Here you guys go. Santod added it to his thread. http://goo.gl/JEkyCk 2.10.605.1 RUU Signed
joeyz400 said:
I used firewater to unlock and s-off my HTC One with 4.3. Everything went well and I installrd TWRP. I did a back up and when I restarted the phone it said No OS. After trying so many things I ended up, only able to boot into bootloader with no recovery or os and anything I try to send to the phone fails.
C:\platform-tools>fastboot getvar all
(bootloader) version: 0.5
(bootloader) version-bootloader: 1.55.0000
(bootloader) version-baseband: N/A
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main:
(bootloader) version-misc: XA SHIP S-OFF
(bootloader) serialno:
(bootloader) imei:
(bootloader) meid:
(bootloader) product: m7_wlv
(bootloader) platform: HBOOT-8064
(bootloader) modelid: PN073****
(bootloader) cidnum: VZW__001
(bootloader) battery-status: good
(bootloader) battery-voltage: 4256mV
(bootloader) partition-layout: Generic
(bootloader) security: off
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-3c88cdd7
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
all: Done!
finished. total time: 0.110s
This is what I get when I try to flash a new recovery.
C:\platform-tools>fastboot flash recovery openrecovery-twrp-2.6.3.3-m7vzw.img
target reported max download size of 1526722560 bytes
sending 'recovery' (9744 KB)...
OKAY [ 1.166s]
writing 'recovery'...
FAILED (remote: image update error)
finished. total time: 1.326s
Thanks for any in put guys.
Click to expand...
Click to collapse
This line: (bootloader) product: m7_wlv indicates that you flashed a Sprint bootloader to the phone. It should say m7_vzw. The Sprint model has different mount points, so that could explain the error.
NotATreoFan said:
This line: (bootloader) product: m7_wlv indicates that you flashed a Sprint bootloader to the phone. It should say m7_vzw. The Sprint model has different mount points, so that could explain the error.
Click to expand...
Click to collapse
I must have messed something up when I was still able to get into recovery, I wasn't able to flash anything. I kept getting E: drive errors so I flashed a stock recovery.... that is when I lost Twrp and only bootloops into boot loader with no OS.
I just tried flashing openrecovery-twrp-2.6.3.3-m7.img and got the same errors....
C:\platform-tools>fastboot flash zip Twrp_2.6.3.4_RUU_Mode.zip
target reported max download size of 1526722560 bytes
sending 'zip' (9278 KB)...
OKAY [ 1.152s]
writing 'zip'...
FAILED (remote: not allowed)
finished. total time: 1.190s
C:\platform-tools>fastboot flash recovery openrecovery-twrp-2.6.3.3-m7.img
target reported max download size of 1526722560 bytes
sending 'recovery' (9184 KB)...
OKAY [ 4.911s]
writing 'recovery'...
FAILED (remote: image update error)
finished. total time: 5.090s
C:\platform-tools>
joeyz400 said:
I must have messed something up when I was still able to get into recovery, I wasn't able to flash anything. I kept getting E: drive errors so I flashed a stock recovery.... that is when I lost Twrp and only bootloops into boot loader with no OS.
I just tried flashing openrecovery-twrp-2.6.3.3-m7.img and got the same errors....
C:\platform-tools>fastboot flash zip Twrp_2.6.3.4_RUU_Mode.zip
target reported max download size of 1526722560 bytes
sending 'zip' (9278 KB)...
OKAY [ 1.152s]
writing 'zip'...
FAILED (remote: not allowed)
finished. total time: 1.190s
C:\platform-tools>fastboot flash recovery openrecovery-twrp-2.6.3.3-m7.img
target reported max download size of 1526722560 bytes
sending 'recovery' (9184 KB)...
OKAY [ 4.911s]
writing 'recovery'...
FAILED (remote: image update error)
finished. total time: 5.090s
C:\platform-tools>
Click to expand...
Click to collapse
If you have stock recovery on the phone now, try using ADB Sideload to push the stock, rooted 4.4.2 ROM from here: http://forum.xda-developers.com/showthread.php?t=2485319
If that works for you, then try pushing TWRP 2.6.3.4.
Will that relock my bootloader and make it S-On? I was on stock 4.3 before I started everything.
NotATreoFan said:
If you have stock recovery on the phone now, try using ADB Sideload to push the stock, rooted 4.4.2 ROM from here: http://forum.xda-developers.com/showthread.php?t=2485319
If that works for you, then try pushing TWRP 2.6.3.4.
Click to expand...
Click to collapse
joeyz400 said:
Will that relock my bootloader and make it S-On? I was on stock 4.3 before I started everything.
Click to expand...
Click to collapse
No. But you will also need to flash the latest firmware package from that thread. It also does not affect S-Off, so don't worry.
Seems my bootloader is corrupt... Is there anyway to wipe it clean to start over?
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Windows\system32>cd C:\platform-tools
C:\platform-tools>fastboot oem rebootRUU
...
(bootloader) [ERR] Cmd18 polling status timed out, MCI_STATUS: 0x4C2000
(bootloader) [ERR] sdcc_command: sdcc_poll_status error, rc: 2
(bootloader) [SD_HW_ERR] read data fail in CMD18
(bootloader) CMD18: cmd failed
(bootloader) [SD_HW_ERR] SD: Read data fail..
(bootloader) [ERR] partition_read_emmc(876): error 2
(bootloader) Start Verify: 0
(bootloader) [ERR] Cmd25 polling status timed out, MCI_STATUS: 0x4C0000
(bootloader) [ERR] sdcc_command: sdcc_poll_status error, rc: 2
OKAY [ 0.059s]
finished. total time: 0.059s
C:\platform-tools>
I tried flashing the stock recovery and got this error:
C:\platform-tools>fastboot flash recovery 1.10.605.10_recovery.img
target reported max download size of 1526722560 bytes
sending 'recovery' (16383 KB)...
OKAY [ 1.793s]
writing 'recovery'...
FAILED (remote: image update error)
finished. total time: 1.953s
C:\platform-tools>
I just tried this...... FAIL
C:\platform-tools>fastboot flash RUU RUU_M7_WL_JB43_SENSE50_VZW_MR_VERIZON_WWE_2
.10.605.1_Radio_1.12.41.1112_2_NV_VZW_3.71_002_release_341019_signed_2.zip
target reported max download size of 1526722560 bytes
sending 'RUU' (1232586 KB)...
OKAY [ 41.968s]
writing 'RUU'...
FAILED (remote: not allowed)
finished. total time: 42.006s
C:\platform-tools>
joeyz400 said:
I just tried this...... FAIL
C:\platform-tools>fastboot flash RUU RUU_M7_WL_JB43_SENSE50_VZW_MR_VERIZON_WWE_2
.10.605.1_Radio_1.12.41.1112_2_NV_VZW_3.71_002_release_341019_signed_2.zip
target reported max download size of 1526722560 bytes
sending 'RUU' (1232586 KB)...
OKAY [ 41.968s]
writing 'RUU'...
FAILED (remote: not allowed)
finished. total time: 42.006s
C:\platform-tools>
Click to expand...
Click to collapse
Is this the encrypted RUU? If so, you may need the decrypted one. Or vice versa.
Sent from my HTC6500LVW using Tapatalk
This is my latest attempt... FAIL***** Am I doing something wrong?
C:\platform-tools>fastboot getvar all
(bootloader) version: 0.5
(bootloader) version-bootloader: 1.55.0000
(bootloader) version-baseband: N/A
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main:
(bootloader) version-misc: XA SHIP S-OFF
(bootloader) serialno: 12345678****
(bootloader) imei: 99000428262****
(bootloader) meid: 9900042826****
(bootloader) product: m7_wlv
(bootloader) platform: HBOOT-8064
(bootloader) modelid: PN073****
(bootloader) cidnum: VZW__001
(bootloader) battery-status: good
(bootloader) battery-voltage: 4074mV
(bootloader) partition-layout: Generic
(bootloader) security: off
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-3c88cdd7
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
all: Done!
finished. total time: 0.113s
C:\platform-tools>fastboot flash recovery PN07IMG_M7_WL_JB_50_VZW_1.10.605.10_DE
CRYPT.zip
target reported max download size of 1526722560 bytes
sending 'recovery' (1178304 KB)...
OKAY [ 40.982s]
writing 'recovery'...
FAILED (remote: image error! (BootMagic check fail))
finished. total time: 41.018s
C:\platform-tools>fastboot flash RUU PN07IMG_M7_WL_JB_50_VZW_1.10.605.10_DECRYPT
.zip
target reported max download size of 1526722560 bytes
sending 'RUU' (1178304 KB)...
OKAY [107.432s]
writing 'RUU'...
FAILED (remote: not allowed)
finished. total time: 107.468s
C:\platform-tools>
you are doing more than I can do right now. how did you get the sdk bundle to work?
I had it working before things went wrong. If you are on windows 8 people have problems so search that if that is your OS. I'm running Windows 7 on my PC. I had Unlocked S-Off and rooted with TWRP 2.6.3.3 installed. Everything was working till I did my first back up. When I restarted my phone it said there was no OS installed and the bootloops started but I still had recovery. But I couldn't restore my backup. Now I can only boot into bootloader with no OS or Recovery. Search how to set up SDK and ADB for your OS and take it from there. I am stumped because I cant run any RUU's, all I get are errors. Good luck.
I don't have my SIM card installed. Does that matter?
joeyz400 said:
I don't have my SIM card installed. Does that matter?[/QUOTE
]that shouldn't matter
Click to expand...
Click to collapse
If I fried something can the part be bought and replaced?
Jamesdbritt said:
joeyz400 said:
I don't have my SIM card installed. Does that matter?[/QUOTE
]that shouldn't matter
Click to expand...
Click to collapse
Click to expand...
Click to collapse
I gave up... I'm sending the phone to MobileTechVideos.COM they say they can repair it for $60. Thanks for all your help. Has anyone heard of their service to repair bricked phones using Riff Jtag tools?

M8 GPE stuck on bootloader

Hi everybody
I have a M8 GPE unlocked/un-rooted/s-on with stock 4.4.4 and today i said that I will not wait for the OTA to come, and decided to flash it myself.
When going to recovery i saw that there is no option to adb sideload a file, strange, so I booted in TWRP (not flashed) and tried to sideload from there. I could not make the ADB sideload work in TWRP also because of some errors, and I tried the install zip option. When flashing the OTA zip I got an error saying that the required version is *4.4.4* and that i had *4.4.2*. I know for sure that I had 4.4.4 because i got the update myself and apply it automatically from within android.
Trying to do a factory reset in TWRP in order to try again the OTA zip file, i wiped the system partition (my bad) and since then i am stucked in bootloader/recovery without any way to boot into OS.
I tried to reboot into RUU and flash RUU-HTC_One_M8_GPE_5.0.1-3.11.1700.5.zip, but i get the error (probably because i am s-on):
Code:
target reported max download size of 1830617088 bytes
sending 'zip' (635732 KB)...
OKAY [ 26.906s]
writing 'zip'...
(bootloader) zip header checking...
(bootloader) zip info parsing...
FAILED (remote: 99 unknown fail)
finished. total time: 27.080s
Anybody can tell if there is any way to flash the stock image on the phone?
As I understood I could do s-off only from OS, and for me that ism not possible
Thanks for the help in advance,
galiganu
Code:
platform-tools>fastboot getvar all
(bootloader) version: 0.5
(bootloader) version-bootloader: 3.18.0.0000
(bootloader) version-baseband: 1.14.21331931.LA02_2G
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 2.12.1700.1
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) serialno: ...
(bootloader) imei: ...
(bootloader) imei2: Not Support
(bootloader) meid: 00000000000000
(bootloader) product: m8_ul_ca
(bootloader) platform: hTCBmsm8974
(bootloader) modelid: 0P6B17000
(bootloader) cidnum: GOOGL001
(bootloader) battery-status: good
(bootloader) battery-voltage: 0mV
(bootloader) partition-layout: Generic
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: 6e0f5a3d
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
all: Done!
finished. total time: 0.085s
I just read that in order to flash back the stock rom i have to be locked, so i did fastboot oem lock. Tried to flash the RUU image and i get this:
Code:
platform-tools>fastboot flash zip RUU-HTC_One_M8_GPE_5.0.1-3.11.1700.5.zip
target reported max download size of 1830617088 bytes
sending 'zip' (635732 KB)...
OKAY [ 26.190s]
writing 'zip'...
(bootloader) signature checking...
FAILED (remote: 12 signature verify fail)
finished. total time: 56.180s
Any ideas?
Same error as above i get with RUU-HTC_One_M8_GPE_4.4.3-2.10.1700.4.zip and RUU-HTC_One_M8_GPE_4.4.4-2.12.1700.1.zip.
hi guys, no idea about my issue?
i managed to install CM11 in the end... at least i can use the phone until i figure out how to get back to stock gpe
solution here thanks to ckpv5
http://forum.xda-developers.com/showpost.php?p=57398166&postcount=3274

Device won't enter recovery mode

So yesterday phone suddenly stopped working.
It was rooted and with CWM but stock ROM.
Tried entering recovery mode to no avail.
Re-flashed the recovery image into boot and got:
C:\Users\****\Desktop\fastboot>fastboot flash recovery recovery.img
target reported max download size of 421527552 bytes
sending 'recovery' (6500 KB)...
OKAY [ 1.224s]
writing 'recovery'...
FAILED (remote: image update error)
finished. total time: 1.329s
Re-flashed the recovery image into boot and got:
C:\Users\****\Desktop\fastboot>fastboot flash boot recovery.img
target reported max download size of 421527552 bytes
sending 'boot' (6500 KB)...
OKAY [ 1.224s]
writing 'boot'...
FAILED (remote: image update error)
finished. total time: 1.326s
Phone gets stuck on HTC logo, and only removing battery shuts it down, the same happens when i try to enter recovery mode, or when i charge it.
fastboot getvar all:
(bootloader) version: 0.5
(bootloader) version-bootloader: 1.18.0002
(bootloader) version-baseband: 14.11.36Q4.21
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main:
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) serialno: HT3AHWL01459
(bootloader) imei: #&@*$^#@*&$^@*
(bootloader) meid:
(bootloader) product: g3u
(bootloader) platform: HBOOT-8225
(bootloader) modelid: 0P6A10000
(bootloader) cidnum: HTC__N34
(bootloader) battery-status: low
(bootloader) battery-voltage: 3360mV
(bootloader) partition-layout: HTC
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: dirty-e1c32097
(bootloader) hbootpreupdate: 12
(bootloader) gencheckpt: 0
all: Done!
finished. total time: 0.010s
Is there anything i can do or is it ready to be tossed to the bin? I would much rather i didn't though.
Any help appreciated, thanks.

Find the correct RUu for Fastboot... M8S

Hi Guys,
hopefully u can help me,
currently i looking for the correct Ruu of my M8s, Device...
All Ru which I try to i got an error...!
Version
Code:
(bootloader) version: 0.5
(bootloader) version-bootloader: 3.19.0.0000
(bootloader) version-baseband: [email protected]
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 2.21.401.1
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) serialno: FA56FYS02197
(bootloader) imei: -----
(bootloader) imei2: -----
(bootloader) meid: -----
(bootloader) product: m8ql_ul
(bootloader) platform: hTCBmsm8939
(bootloader) modelid: 0PKV10000
(bootloader) cidnum: HTC__102
(bootloader) battery-status: good
(bootloader) battery-voltage: 0mV
(bootloader) partition-layout: Generic
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: 0b9a12e3
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
(bootloader) mfg-name: 0001
all: Done!
finished. total time: 0.032s
Error Message after try to flash
Code:
target reported max download size of 16777216 bytes
Invalid sparse file format at header magi
error: write_sparse_skip_chunk: don't care size 1727767223 is not a multiple of the block size 4096
sending sparse 'zip' 1/1 (0 KB)...
error: write_sparse_skip_chunk: don't care size 1727767223 is not a multiple of the block size 4096
error: write_sparse_skip_chunk: don't care size 1727767223 is not a multiple of the block size 4096
OKAY [ 0.106s]
writing 'zip' 1/1...
(bootloader) signature checking...
FAILED (remote: signature verify fail)
finished. total time: 0.110s
Hopefully u can help me guys, thank to u!
You need the RUU 2.21.401.1
Anything else will either fail CID check or version check (you can't flash older RUU version than currently installed, even if the CID matches).
I don't personally have the 's' (just the more common M8). But from what I've seen on this forum section, version 2.xx RUUs for the M8s are hard to find, or non-existent.
redpoint73 said:
You need the RUU 2.21.401.1
Anything else will either fail CID check or version check (you can't flash older RUU version than currently installed, even if the CID matches).
I don't personally have the 's' (just the more common M8). But from what I've seen on this forum section, version 2.xx RUUs for the M8s are hard to find, or non-existent.
Click to expand...
Click to collapse
is there a alternative version? in case this ruu isnt available?

64GB HTC 10 shows 32GB internal storage after S-ON downgrade to Nougat

Have a 64GB HTC 10 which was OTAed from stock Nougat to Oreo. Unlocked bootloader, installed TWRP, rooted with Magisk, then followed the guide in https://forum.xda-developers.com/t/...-0-to-nougat-7-0.3748999/page-2#post-75580986 to downgrade with S-ON to 7.0 which I have on my older HTC 10 (which is 32GB storage and has a dead SD card slot). Now the 64GB phone is working well, except it's only showing 32GB storage.
I ran into some small problems when flashing the Nougat RUU. The first time I tried with fastboot as per instructions and got this error
Code:
user# md5sum "2PS6IMG_PERFUME[email protected]61226_79.07_F_release_507791_signed_2_4.zip" | grep 5736b58742eed2df0272f10605bfa7ae
5736b58742eed2df0272f10605bfa7ae 2PS6IMG_PERFUME[email protected]61226_79.07_F_release_507791_signed_2_4.zip
user# fastboot oem rebootRUU
OKAY [ 0.024s]
Finished. Total time: 0.024s
user# fastboot flash zip "2PS6IMG_PERFUME[email protected]61226_79.07_F_release_507791_signed_2_4.zip"
Invalid sparse file format at header magic
error: write_sparse_skip_chunk: don't care size 876597310 is not a multiple of the block size 4096
Sending sparse 'zip' 1/2 (1048572 KB) error: write_sparse_skip_chunk: don't care size 876597310 is not a multiple of the block size 4096
error: write_sparse_skip_chunk: don't care size 876597310 is not a multiple of the block size 4096
OKAY [ 38.306s]
Writing 'zip' (bootloader) HOSD CL#1012001
(bootloader) ERR lzipv2_init : Cannot open file /dev/fastboot_download_Z
(bootloader) CSUg7
(bootloader) ERR [SD_UPDATE_ERR] update_fb_ZIP_buf: can not find ZIP hea
(bootloader) der
(bootloader) ERR [SD_UPDATE_ERR] sddownload failed: 22
(bootloader) ERR Update zip file failed.
(bootloader) ERR ZIP ERROR, exit read zip loop
(bootloader) ERR ZIP signature checking failed...
(bootloader) Update zip file OK
(bootloader) ERR ZIP ERROR CODE, 22
(bootloader) [email protected]
FAILED (remote: '22 RU_HEADER_ERROR ')
fastboot: error: Command failed
user#
So I flashed from SD card per HTCdev instructions and got the expected error the youtuber got before flashing hosd (I think it was error 12). After flashing hosd and flashing RUU again twice from SD card, both times I got the same error: [email protected], 33 RU_UPDATE_FIRMWARE_FAIL, but the process was apparently completed
Recovery was broken so had to reflash TWRP, and then did the persist erasure and then the phone booted in Nougat successfully.
It shows the same old IMEI and serial, recognizes SIM, SD card, Wifi, Bluetooth, headphones and speakers working. The only thing I can see wrong is it now shows 32GB internal storage instead of 64GB.
old fastboot getvar all on Oreo:
Code:
(bootloader) kernel: lk
(bootloader) product: htc_pmeuhl
(bootloader) version: 1.0
(bootloader) max-download-size: 1578400000
(bootloader) serialno: ...
(bootloader) slot-count: 0
(bootloader) current-slot:
(bootloader) imei: ...
(bootloader) version-main: 3.16.401.2
(bootloader) boot-mode: download
(bootloader) version-baseband: [email protected]
(bootloader) version-bootloader: 1.0.0.000
(bootloader) mid: 2PS620000
(bootloader) cid: HTC__034
fastboot getval all after finishing the flashing process, with Nougat:
Code:
(bootloader) kernel: lk
(bootloader) product: htc_pmeuhl
(bootloader) version: 1.0
(bootloader) max-download-size: 1579200000
(bootloader) serialno: ...
(bootloader) current slot:
(bootloader) imei: ...
(bootloader) version-main: 2.41.401.41
(bootloader) version-baseband: [email protected]
(bootloader) version-bootloader: 1.0.0.000
(bootloader) mid: 2PS620000
(bootloader) cid: HTC__034
Any ideas how to fix this? It's not a big deal since I've got a massive SD card but wbn to use the full internal storage

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