how to unbrick one plus 3??? - OnePlus 3 Questions & Answers

in fastboot when i flashing stock rom or twrp through cmd failed error occure

Need more details....
What is it showing in cmd..?
Are you trying to side load a ROM.?

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can only go to fastboot and nothing else

i think i've ****ed up my zenfone 2.
i can only go to fastboot and i can flash boot.img , droidboot.img and recovery.img
but i can't flash system.img (it says error: cannot load 'system.img') and everytime i try to go to recovery , it just freeze on asus logo and that's it.
i can't flash asus zip file (from asus site) because the size of the file is too large and i receive error.
i was using a custom rom and decided to return to stock.
how can i fix my phone?
Your system.img is corrupted somehow, if you are using shakalaca's img just delete the current one in your folder and unzip like you did before, that worked for me after the same thing happened to me while flashing.
okay.i have some good news (for myself )
i can now get into Recovery mode.it's stock recovery with and android robot in it and saying "installing System Update"
but after a few seconds it says error and that's it.
i use "adb devices" but there's no device connected.same for "fastboot devices"
now what should i do?
p.s : i get error everytime i want to "fastboot flash system system.img" and everytime i use "fastboot -w".for flashing system it gives the "error: cannot load 'system.img'" and for -w it says "FAILED (remote: flash_cmds error! )"
edit: now i have TWRP recovery.it's the UN-Tethered one.so i don't think i can install stock rom.right?
what should i do if i want to install stock rom?
edit 2:finally.i installed a custom rom for now.everything is ok.the phone is up and running.
but now i want to return to stock rom.how?

SdMmc error , Phone not booting at all sprout 4

Phone is not booting , When i tried to flash stock ROM , sp tool err 3153 (mmc read failure) but after changing flash file it done successfully but still nothing on phone . I tried all modes in flash tool.
Help

Redmi Note 5 TWRP LOGO BOOTLOOP (system works only twrp not)

Hi. Im using miui poland 8.12.6 and i've got new update to 8.12.13 today so i started twrp but i've got
surprised by bootloop on teamwin logo (twrp 3.2.3-3) (system works well only twrp doesn't work). Anyone know how to fix it? I've installed twrp again but using flashify app because flashing through fastboot command on pc gives me other error (Write to the device failed (too many links), Write to the device failed (no such file or directory), remote: 'request download size is more than max allowed), remote 'unknown command') every time when i try to flash twrp. There is video with my problem youtube com/watch/mBHmxxhzWW8
Edit: on my laptop im not getting errors so i tried to flash recovery but it shows me anti rollback check failed so i tried to boot it by the command fastboot boot recovery.img and flash it through twrp but it still bootlooping

Phone is bootloader unlocked, but get a fastboot error trying to flash

So I managed to get the phone bootloader unlocked by following one of the guides, cross-flashed a ULM firmware, then followed the EDL method guide and this time it worked. It wouldn't work before cross-flashing the ULM firmware for some reason.
However, i cannot flash the rooted magisk boot image, i get this error in command prompt when i run the command "fastboot flash boot_a magisk_patched.img": fastboot: error: cannot get boot partition size. I also tried "fastboot flash boot magisk_patched.img", but i get the same error.
I'm stuck here, basically one step away from root. What is going wrong? How do i fix the error "cannot get boot partition size" to flash the pre-rooted image?
Load the boot patched via Qfil

Question [Solved] Stuck in fastboot with locked bootloader

HI there!
After multiple problems with the custom ROMs I tested, I finally decided to go back to the stock ROM by downloading it from the official thread. I extracted the .tgz archive, run the "flash_all.bat" program, which failed by saying it failed to check the sparse CRC.
So I looked for a solution and finally commented out the line that sent the CRC files to the device at the beginning. The flashing worked fined, but after rebooting I'm now stuck in a bootloop.
I entered fastboot by holding Volume Down + Power and got into it without problem, but when I tried to flash TWRP to install something else, I got the "FAILED (remote: 'Failed to load/authenticate boot image: Load Error')" and after checking, it seems that my bootloader has been re-locked!
So I'm now stuck in fastboot, both the Global and EEA roms won't work, and I can't flash an alternative recovery.
What can I do?
Thanks in advance for your help!
EDIT: I ran the official MiFlash Unlock tool, which tells me my device is unlocked, which is really weird. The "fastboot oem device-info" command indicates: "(bootloader) Device unlocked: true".
ClementNerma said:
HI there!
After multiple problems with the custom ROMs I tested, I finally decided to go back to the stock ROM by downloading it from the official thread. I extracted the .tgz archive, run the "flash_all.bat" program, which failed by saying it failed to check the sparse CRC.
So I looked for a solution and finally commented out the line that sent the CRC files to the device at the beginning. The flashing worked fined, but after rebooting I'm now stuck in a bootloop.
I entered fastboot by holding Volume Down + Power and got into it without problem, but when I tried to flash TWRP to install something else, I got the "FAILED (remote: 'Failed to load/authenticate boot image: Load Error')" and after checking, it seems that my bootloader has been re-locked!
So I'm now stuck in fastboot, both the Global and EEA roms won't work, and I can't flash an alternative recovery.
What can I do?
Thanks in advance for your help!
EDIT: I ran the official MiFlash Unlock tool, which tells me my device is unlocked, which is really weird. The "fastboot oem device-info" command indicates: "(bootloader) Device unlocked: true".
Click to expand...
Click to collapse
please , i want to know , how can i give fastboot on my redmi7 device
H R Habib said:
please , i want to know , how can i give fastboot on my redmi7 device
Click to expand...
Click to collapse
This is a forum dedicated to the Poco F3 so I think you should ask it on the Redmi 7's forum
Use MiFlash to flash the fastboot Version of stock.
ClementNerma said:
HI there!
After multiple problems with the custom ROMs I tested, I finally decided to go back to the stock ROM by downloading it from the official thread. I extracted the .tgz archive, run the "flash_all.bat" program, which failed by saying it failed to check the sparse CRC.
So I looked for a solution and finally commented out the line that sent the CRC files to the device at the beginning. The flashing worked fined, but after rebooting I'm now stuck in a bootloop.
I entered fastboot by holding Volume Down + Power and got into it without problem, but when I tried to flash TWRP to install something else, I got the "FAILED (remote: 'Failed to load/authenticate boot image: Load Error')" and after checking, it seems that my bootloader has been re-locked!
So I'm now stuck in fastboot, both the Global and EEA roms won't work, and I can't flash an alternative recovery.
What can I do?
Thanks in advance for your help!
EDIT: I ran the official MiFlash Unlock tool, which tells me my device is unlocked, which is really weird. The "fastboot oem device-info" command indicates: "(bootloader) Device unlocked: true".
Click to expand...
Click to collapse
Don't flash recovery. Use this command instead:
Code:
fastboot boot recovery.img
and it will boot into recovery. Then you can install recovery ramdisk.
Phoost said:
Use MiFlash to flash the fastboot Version of stock.
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Click to collapse
I didn't find an official MiFlash tool and I don't trust closed-source tools for this kind of things.
avidduo said:
Don't flash recovery. Use this command instead:
Code:
fastboot boot recovery.img
and it will boot into recovery. Then you can install recovery ramdisk.
Click to expand...
Click to collapse
I tried that but it didn't work.
EDIT: After re-trying several times, I was finally able to make it work by booting with ArrowOS' recovery. TWRP was not accepted, but ArrowOS' one was
So I've been able to flash the Xiaomi.EU rom, I'll stick with it for now.

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