Boot stuck at U+5G (vendor logo). (Fastboot o, EDL o, ADB x, Unlocked) - LG V50 ThinQ Questions & Answers

Hi guys,
I recently got a v50 and tried to flash custom ROM.
I followed this guide to unlock.
It worked well, I could unlock the device successfully. But when I flashed the custom ROM/Magisk thorugh TWRP, I flashed into a wrong slot, which led it to boot into only bootloader.
Since I could not get into the download mode, I tried to extract img files from kdz (V500N21a_00_LGU_KR_OP_0903) and flash them through QFIL. I followed this guide (v50backup files from this post did not work for me, so I decided to extract img files from kdz and use them).
This worked well, it gave me download mode back.
With that download mode, I tried to flash it with LGUP. And I could flash it successfully. But when the device boots, it does not boot completely. It stuck at the U+5G logo.
I have tried to use two versions of LGUP (1.16 from here and 1.17 cmd tool from this korean dude). And these tools allow me to flash kdz (V500N21a_00_LGU_KR_OP_0903) successfully but I could not make phone to boot with any of them...
I have checked
Code:
fastboot getvar all
and it shows that slot is not bootable... (fastboot getall var result)
What can I do now? I can not find what is the problem to fix... Any suggestions please? Thank you very much in advance!

Related

need help flashing twrp on my samsung galaxy j3

basically this is my first time trying to flash a custom recovery and after a while of trying multiple methods, none worked
i have firstly install adb,unlocked the bootloader and enabled usb debbuging
the first approach was from xda site following the tutorial, the adb reboot bootloader command just normally restarted the phone and wouldnt put me into bootloader mode, then after manually going to bootloader mode i tried to flash the img with no luck at all and the phone wasnt showing up on adb devices aswell on bootloader mode
then i tried using odin and gave it the tar file but never completed the flashing so im kind of stuck not being able to flash twrp and root the phone aswell so id appreciate your help
thanks for your time
edit: after trying again today and looking at the log, whenever i use odin it will either stop at setupConnection or recovery.img, the phone is also a galaxy j3 SM320FN
check the drivers while in download mode. fastboot devices shows you the phone while in download mode, adb devices shows you the phone while in system mode. these are different drivers. from fastboot you can boot the recovery.img without flashing for testing purposes

Redmi S2 stuck on Mi logo

My Redmi S2 somehow got stuck on Mi logo this morning. Everything is still stock and locked. I followed a guide somewhere to unlock bootloader through edl mode, seems like it worked (is says "unlocked" under Mi logo).
With BL unlocked, I tried flashing TWRP using fastboot. But I still can't boot into recovery, only Mi logo. Even stock recovery won't boot.
It seems flashing using Mi Flash Tool doesn't worked anymore , unless with auth. So I found another flash tool. Tried flashing Global/China rom with it(edl mode of course), all is well but "cache","cust","vendor","system","userdata", didn't finished flashing. But the tool says the whole process is completed and proceed to reboot the phone. Which still only showing "Mi Logo".
So I tried using fastboot command to flash those few files. First few time the process completed. But still nothing changes. However, when I try to flash using fastboot now, it just stuck at "erasing". Any file I tried to flash just got stuck here.
"fastboot boot recovery.img" also don't worked. Got the same result using another computer. Now I'm stuck. Would appreciate some advice and guide here.
JEDAlive said:
My Redmi S2 somehow got stuck on Mi logo this morning. Everything is still stock and locked. I followed a guide somewhere to unlock bootloader through edl mode, seems like it worked (is says "unlocked" under Mi logo).
With BL unlocked, I tried flashing TWRP using fastboot. But I still can't boot into recovery, only Mi logo. Even stock recovery won't boot.
It seems flashing using Mi Flash Tool doesn't worked anymore , unless with auth. So I found another flash tool. Tried flashing Global/China rom with it(edl mode of course), all is well but "cache","cust","vendor","system","userdata", didn't finished flashing. But the tool says the whole process is completed and proceed to reboot the phone. Which still only showing "Mi Logo".
So I tried using fastboot command to flash those few files. First few time the process completed. But still nothing changes. However, when I try to flash using fastboot now, it just stuck at "erasing". Any file I tried to flash just got stuck here.
"fastboot boot recovery.img" also don't worked. Got the same result using another computer. Now I'm stuck. Would appreciate some advice and guide here.
Click to expand...
Click to collapse
if your bootloader still unlocked..
try reinstalling twrp via fastboot and use the volume up button and power button to enter recovery
Even in the beginning, before flashing anything, it won't enter stock recovery. I already tried flashing twrp, flash succeed, but it won't enter recovery mode, or twrp. And now, I can't flash anything through fastboot. It just stuck at "erasing..."

stuck at bootloader , No OS No Recovery :(

hi my oneplus 7 pro 1910 stuck at bootloader and when i press start or recovery it gets back to the bootloader screen i cant even turn off the phone
i accidentally wiped all partitions in twrp and made a format .
anyhelp ? ive tried to do the fastboot rom flash but my pc doesnt detect my phone
i tried almost every solution i found but nothing works
Your bootloader needs to be unlocked to use a fastboot ROM.
Is it unlocked?
@soka said:
Your bootloader needs to be unlocked to use a fastboot ROM.
Is it unlocked?
Click to expand...
Click to collapse
Yes it’s unlocked , any help
Search on the fast boot rom thread for the fast boot rom version you were last on, i have used this many times and it worked.
One thing to note, after it flashed everything , I ended up in crash dump error. I went into stock recovery and wiped/formatted my device and it boot up great.
https://forum.xda-developers.com/t/msm-tool-guac-for-all.3934691/ - just follow this guide
One thing that worked for me is when your phone is plugged into your pc open a command prompt and type fastboot boot twrp-*.img (make sure it is the .img not .zip), and from there download the twrp installer .zip and flash that, reboot to recovery, and install the OTA for your device (OTAs can be found at this thread).
If it fails to boot and gives you an error, try fastboot getvar all to see which slot is currently active then do fastboot --set-active=*inactive slot letter* then fastboot --set-active=*original active slot letter* then try to boot to the twrp .img from fastboot again. If fastboot doesn't detect your device at all, try seeing if adb devices outputs anything, and if it does type adb reboot bootloader

[SOLVED] Doogee S88 Plus reboot loop with magisk root

after patching boot.img with Magisk and flashing over the patched boot.img, the phone (Doogee S88 Plus) will just infinitely reboot after the message `Your device has been unlocked and can't be trusted`
luckily, patching the original boot.img back fixes it (albeit flashing it back is kindof tricky, have to reboot multiple times while holding down the volume-down button before i can re-flash)
so it's not bricked, but i haven't been able to root it either, any suggestions?
fwiw, i'm using this firmware: https://drive.google.com/drive/folders/13bxhk-eEsJ81FmJWZaEEsOkZBMsYJE3x
update: finally managed to root it, the final piece of the puzzle was that S88 Plus wanted the magisk-patched boot.img signed with the publicly-available-private-key from https://forum.hovatek.com/thread-35862.html
screenshot:
https://imgur.com/EbjK0qX
the magisk-patched + signed boot.img if anyone is interested:
where boot.img ?
and you chose which twrp ?
avalondrey said:
where boot.img ?
Click to expand...
Click to collapse
avalondrey said:
and you chose which twrp ?
Click to expand...
Click to collapse
i did not use twrp at all, i only used magisk, and the boot.img is the file i uploaded above with the name "magisk_patched-23000_TY62U.img" , just rename it to "boot.img"
does your phone has a vbmeta.img?
It control if the image is signed, if you don't flash an empy vbmeta.img the system will bootloop.
It was a problem when rooting the Ulefone Armor 8-11
root is ok , flash tool, install boot and reboot
Harlock1978 said:
does your phone has a vbmeta.img?
It control if the image is signed, if you don't flash an empy vbmeta.img the system will bootloop.
It was a problem when rooting the Ulefone Armor 8-11
Click to expand...
Click to collapse
interesting, yes the phone has a vbmeta.img, and no i did not patch the vbmeta.img, and i did experience the reboot-loop, but signing the patched boot.img fixed the reboot loop without touching the vbmeta.img
This did it..dont flash vbmeta...the Boot ist the only Thing you Need...flashing vbmeta will end in bootloop...maybe a signed vbmeta...but why trying when Boot is enough...
after hours of trying I finally got it working.
Because I tried so much stuff I'm not exactly sure what was the key.
The signed boot.img flashed with sp flash tool alone did not work - i did not have the device unlocked with fastboot at that moment.
Then I tried a lot of different stuff.
I _think_ what was needed is these two things:
- signed boot.img from @hans henrik
- unlocking bootloader with fastboot (fastboot flashing unlock && fastboot flashing unlock_critical)
How did you unlocked it? And are you running gsi rom?
I have the s88 pro and i like to install custom rom
the doogee s88 plus should support galileo GPS standard Pu on mine it does not show any gaileo satelites. could anybody check?
Hi please help me i have doogee S88 plus and i use this guild https://unofficialtwrp.com/twrp-3-4-0-root-doogee-s88-plus/
now me phone keeps restarting, show "orange state", logo launches, I tried different combinations of buttons but nothing helped
what can i do or is there any way i can get it back to normal?
only now found this thread, currently the phone has a bootloop after these three commands
fastboot erase userdata
fastboot flash vbmeta vbmeta.img
fastboot flash recovery recovery.img
OK, i use sp flash tool but when i turn on me phone i see a bars on screen
i tried with all the stock roms i found, everywhere the same, the phone seems to work but instead of images there are stripes
this rom worked
OneDrive
onedrive.live.com
I finally managed to root my phone after days of endless boot loops (fixed by flashing stock using SP flash tool). Turns out I didn't need to flash an empty vbmeta or install TWRP at all. I was able to root it by following this guide https://www.hovatek.com/forum/thread-35862.html. For some reason your patched magisk image didn't work on my S88 Plus, so I made my own using the stock boot image from the official Doogee website (which appears to be the same one used in your patched version?) and Magisk 25.2 apk. For the Hovatek guide, I used python2 since python and python3 did not work. I currently have a red "Not Verify" watermark and an NVRAM WARNING: Err = 0x10 wifi network error, but should be able to resolve those with root access from guides I read earlier.
I would also like to install a GSI (lineageos preferably) but have had no success since nothing seems to officially support the S88 Plus even though it is project treble compatible, and I have ran into boot loops so far.
I have attached my working magisk_patched.img but would recommend building it from scratch using the linked guide to avoid any issues.

Infinix hot 10 play (X688B) stuck bootlooping to fastboot after orange state, help

i recently rooted my phone with magisk patched boot image and was working good after i restored my files, then it rebooted itself and now its stuck on orange state then going to fastboot mode, after that it loops back to orange state over and over again, please help
Reflash phone's Stock ROM to get rid off of all modifications you applied so far.
and what if i want to root the phone? flashing the stock rom gets rid of magisk, am i stuck without an option to root it? or should i install a custom recovery or cus os like calyxos?
new problem, i cant flash the stock rom using sp flash tool, gives me this weird error:
STATUS_BROM_CMD_STARTCMD_FAIL
any help?
I did this to my old phone if sp flash ain't working
"fasboot flash all slot a". if a/b partition
"fastboot flash all". if not a/b partition
and I feel like this method is faster than sp flash tool
edit:
lucky you could go to fastboot unlike mine can't go anywhere when I tried to flash my device it just reboot after 6 or 5 seconds ;-;
Does somebody have the stock rom for Infinix Hot 10 Play X688B?
There is the builder number X688B-H659ABCEFGHI-Q-GL-220109V524
Tzuyoda said:
Does somebody have the stock rom for Infinix Hot 10 Play X688B?
There is the builder number X688B-H659ABCEFGHI-Q-GL-220109V524
Click to expand...
Click to collapse
Download Infinix Stock ROM for all models (Latest Firmware)
Download the latest Infinix Stock ROM Firmware (Flash File) for all the available Infinix smartphones, feature phones, and tablets.
androidmtk.com
I could only find this one site that has all of the stock roms of XOS. Not exactly the model number. Just a 'c' and 'b' difference
Did you fix it? If not I can help you
I think the stock roms would work.
boomzkik said:
Did you fix it? If not I can help you
Click to expand...
Click to collapse
do you have the latest firmware files? i removed root and updated ota and i cant find any source of firmwares online, only the stock ones. can i use stock boot.img and patch it with magisk then install the patched stock boot.img with fastboot on an updated firmware?
mlgpro12345 said:
i recently rooted my phone with magisk patched boot image and was working good after i restored my files, then it rebooted itself and now its stuck on orange state then going to fastboot mode, after that it loops back to orange state over and over again, please help
Click to expand...
Click to collapse
Please I need your help on how you were able to root your infinix hot 10. I have the same phone and I was following YouTube tutorials they told me to use minimal adb and fastboot.. all the commands worked great but when I use command fastboot flash boot and paste my patched boot img it shows error... Unknown partition cannot determine image filename for boot img or so.

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