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Hovatek Forum MOBILE Android LG G8s ThinQ - boot loop after wrong flash

LG G8s ThinQ - boot loop after wrong flash

LG G8s ThinQ - boot loop after wrong flash

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koutskyjakub
koutskyjakub
koutskyjakub
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07-01-2025, 10:10 AM
#1



Hello,
I got my hands on a phone from a friend of mine who played with it inexpertly to try to fix it. Honestly, I'm not very wise about it, I'm just an occasional enthusiast. Would you be so kind and help me with the correct procedure if there is one?
I went through a lot of articles yesterday and today I'm just confused about it.

The phone is an LG G8s ThinQ
information from the LGROM website according to the IMEI code:
IMEI 356070105787710
MSN 003CQSF0360886
Model LG G8S ThinQ LMG810EAW
Region IBR
Suffix AIBROP
Latest version G810EAW40A_00

The phone is stuck in a boot loop. After displaying LG G8s Thinq, powered by android, it restarts over and over.

Download mode does not work - when trying to start it, a "small blue progress bar" appears (like when download mode starts) but then it restarts

EDL mode - the Qfil program probably sees it, but I am not able to find the necessary files, and I am probably not too sure about the procedure

LGUP - nothing worked for me at all, the program immediately shows me the information "No earphones are connected. Please connect an earphone" at the beginning and even the advice on how to solve it did not work. The phone is probably not visible.

As for the state in which the phone was stuck, then I am afraid that nothing was allowed that should have been allowed (USB debugging - NO and the Google account was not deleted, no backup was made)

Is there a chance of getting it working or should I throw the phone at a friend's head? Smile

Thank you very much in advance

ps: I apologize for the English for the sake of speed, I used Google Translate.
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maxpayne
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07-01-2025, 03:12 PM
#2
(07-01-2025, 10:10 AM)koutskyjakub ..
ps: I apologize for the English for the sake of speed, I used Google Translate.

Try the attached firehose with this procedure https://www.hovatek.com/forum/thread-31475.html
See if the partition table is displayed
Attached Files
.zip
prog_ufs_firehose_sm8150_lge.zip
Size: 269.14 KB / Downloads: 6
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koutskyjakub
koutskyjakub
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07-01-2025, 03:52 PM
#3
Partition table is not displayed.
I made some pictures how I used it. Because there are some differences between my and your procedure.
I mean firehose settings - device type - UFS (I used )
and filehose file format is elf extension not mbn
I think I did everything right.
I attach pictures
Attached Files
.png
device manager.png
Size: 123.95 KB / Downloads: 4
.png
part. manager start.png
Size: 58.84 KB / Downloads: 5
.png
part. manager started.png
Size: 67.66 KB / Downloads: 5
.png
Qfil conf.png
Size: 57.12 KB / Downloads: 5
.png
filehose conf.png
Size: 39.65 KB / Downloads: 5
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koutskyjakub
koutskyjakub
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09-01-2025, 07:52 PM
#4
Hi again, I found hosefire files with rawprogram.xml and after I tried partition manager in Qfil it loads the partition table..
Can you pls help with other?
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maxpayne
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16-01-2025, 10:06 AM
#5



(09-01-2025, 07:52 PM)koutskyjakub Hi again, I found hosefire files with rawprogram.xml and after I tried partition manager in Qfil it loads the partition table..
Can you pls help with other?

Attach or link to these files so I take a look
This post was last modified: 16-01-2025, 10:07 AM by maxpayne.
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koutskyjakub
koutskyjakub
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20-01-2025, 01:01 PM
#6
here it is
.img file  was added by a mistake ... Now delete doens t work for me now.. I do not know.
But in .7z file here u have all 3 files ... program... etc
thx
This post was last modified: 20-01-2025, 01:05 PM by koutskyjakub.
Attached Files
.img
frp_6.img
Size: 512 KB / Downloads: 2
.7z
firehose.7z
Size: 214.94 KB / Downloads: 2
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koutskyjakub
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20-01-2025, 01:17 PM
#7
partition has been loaded just now
I only used "prog_ufs_firehose_sm8150_lge.elf"
Here U can see the table loaded on pictures
It is not all of htem screened it was too long Big Grin
This post was last modified: 20-01-2025, 01:20 PM by koutskyjakub.
Attached Files
.png
1.png
Size: 62.66 KB / Downloads: 6
.png
2.png
Size: 57.98 KB / Downloads: 2
.png
3.png
Size: 54.28 KB / Downloads: 2
.png
4.png
Size: 57.49 KB / Downloads: 4
.png
5.png
Size: 60.17 KB / Downloads: 4
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maxpayne
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23-01-2025, 12:00 PM
#8
(20-01-2025, 01:17 PM)koutskyjakub partition has been loaded just now
..

Next up is to backup/save the partitions (so you have your original LUN files).
After backing up, flashing critical partitions would come next
This post was last modified: 23-01-2025, 12:01 PM by maxpayne.
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koutskyjakub
koutskyjakub
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23-01-2025, 10:29 PM
#9
(23-01-2025, 12:00 PM)maxpayne
(20-01-2025, 01:17 PM)koutskyjakub partition has been loaded just now
..

Next up is to backup/save the partitions (so you have your original LUN files).
After backing up, flashing critical partitions would come next
Please would you be So Kind and write down here short steps what I should do?
Best for me will be:
(this is an exhample of the route) 
Starting position is: Phone connected(driver loaded in devices manager), Qfil and partition table is loaded and opended. 

Point 1.  SAVE LUNS (LINK me to web guide or make a guide how to create LUN0... And then do it the same for files.. And list the files

2. Click download
3. Flash partitions
    Go to partition table Click "file name"
   Rigt Click and manage... Then Click load or read etc... Repeat for these files.. And list them...... 
........ 
.... 

Can U pls do easy guide for mě?
I must say, I tried to do some.. According web guides ( from here, xda forum...) but no succes... Stíll i do not understand right May be.. I DONT KNOW.
There was also situation when Phone was not alble to get into Edl.. So must to open it and boot Edl by points on PCB inside Phone.. 

So I am little bit unhappy of me... 😁

Thx a lot
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koutskyjakub
koutskyjakub
koutskyjakub
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23-01-2025, 10:40 PM
#10
Do you think the post on this link will work?
It should be some automatic way to create some steps in Qfil.. It is called Qfilhepler
Please check it..
https://github.com/Beliathal/QFILHelper

Thx for your opinion
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