Need stock boot.img for SM-G930FD, please - Samsung Galaxy S7 Questions and Answers

My phone won't boot, I tried to unroot using the supersu zip then installed what I thought was the stock boot.img. I have already extracted the boot.img.lz4 from the stock firmware but I can't flash that. I changed the file name and removed the .lz4 and flashed it but now I'm stuck on "Could not do normal boot invalid kernel length".
Can someone please share their stock boot.img, please. I was running android 8.0
EDIT: wasn't able to fix the problem but flashed lineage os over stock rom.

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soft brick Gm 920f

Hi i wanted to flash a custom marshmallow rom i was rooted and custom rom already but when i flashed the rom it didnt opened so i tried to flash a stock rom GR from sammyfirmware but it dosnt pass it fail in the start i read somewhere about a fix with the sammy roms that dont pass that you must rename the hidden.img to hidden.img.tar does anyone can help me or has anyone rom with seperate files of csc , modem and etc ...
manouvras said:
Hi i wanted to flash a custom marshmallow rom i was rooted and custom rom already but when i flashed the rom it didnt opened so i tried to flash a stock rom GR from sammyfirmware but it dosnt pass it fail in the start i read somewhere about a fix with the sammy roms that dont pass that you must rename the hidden.img to hidden.img.tar does anyone can help me or has anyone rom with seperate files of csc , modem and etc ...
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Hi,
What is the exact error you get? Which firmware version you tried from sammobile?
manouvras said:
Hi i wanted to flash a custom marshmallow rom i was rooted and custom rom already but when i flashed the rom it didnt opened so i tried to flash a stock rom GR from sammyfirmware but it dosnt pass it fail in the start i read somewhere about a fix with the sammy roms that dont pass that you must rename the hidden.img to hidden.img.tar does anyone can help me or has anyone rom with seperate files of csc , modem and etc ...
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ROM didn't opened because it might have got corrupted while downloading try redownloading it, By the way ROM isn't opened its flashed by any custom recovery.......
In case of stock ROM did you tried Odin and flashed the full zip (tar) file ?

Revert/going back to stock kernel - how?

Hi!
I am at the moment using latest build of FlashKernel but thinking about first reverting back to stock kernel, so I instead can flash latest ElementalX Kernel for 8.1.0 (March update.)
Now to the question..
How is the exact procedure and way to do this actually? I've tried google it but can't really find anything that tells me how-to do it. Anyone around here that can shed & share some light on this?
xFirefly93 said:
Hi!
I am at the moment using latest build of FlashKernel but thinking about first reverting back to stock kernel, so I instead can flash latest ElementalX Kernel for 8.1.0 (March update.)
Now to the question..
How is the exact procedure and way to do this actually? I've tried google it but can't really find anything that tells me how-to do it. Anyone around here that can shed & share some light on this?
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Click to collapse
Flash the stock boot.img to the "boot" slot. That is to say:
Download the full image or ota from Google. Extract it and locate the boot.img. You may have to extract a second zipped file to find it , I forget. Fastboot flash boot path\to\boot.img where "path\to\" is the path to where the extracted boot.img file is located on the computer. Be aware that recovery lies within the boot.img so if you had twrp installed and still want it then it'll have to be reflashed with the two-step process (boot the .img and flash the .zip)

Stock Kernel G930FXXU2ERE8_G930FOXA2ERE8_BTU

Hello everybody, as it's mentioned in the title I am looking for the Stock Kernel of the latest Oreo build (boot.img) which came in the Stock ROM Zip inside the AP tar.
Anyone who downloaded already that latest build please do me a favor and share the boot.img with me.
Thanks in advance
Here the stock image you wanted
https://www.dropbox.com/s/3vwj450fhhpzfxd/boot.img.lz4?dl=0

About "Rom firmware required"

So, this might be a total noob question, but I want to install miui port for my sm-g360h,it says that the "ROM firmware required is stock 4.4 KK" , but I've a lineage 14.1 N installed, will that be a problem?
Also one more thing, is there a difference between "port" and "ROM" ?
20Holmes20 said:
So, this might be a total noob question, but I want to install miui port for my sm-g360h,it says that the "ROM firmware required is stock 4.4 KK" , but I've a lineage 14.1 N installed, will that be a problem?
Also one more thing, is there a difference between "port" and "ROM" ?
Click to expand...
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They are referring to the stock firmware that is still on the device(i.e. modem, bootloader, etc..)
You have LOS 14.1 installed, but that is only the system partition. When you flash a custom ROM, it only flashes the system.img to replace the stock system.img, all of the other parts of your stock firmware are still there "under" the custom ROM.
In your case, the firmware that you have is everything that you had when it was stock, before you flashed a custom ROM. Do you know what stock firmware version you had before you modified the device? If your stock firmware was older than 4.4 then you need to update the firmware to 4.4 then flash TWRP again then your ROM again.
Or, if someone has converted the necessary parts of the 4.4 firmware into a recovery flushable .zip file, you can flash that zip via TWRP then flash your custom ROM.
Sent from my LGL84VL using Tapatalk

How to flash a decrypted ozip stock rom file?

I managed to decrypt the ozip file of the stock rom RMX1971EX_11_A.16 using https://github.com/bkerler/oppo_ozip_decrypt,
mentioned in here https://forum.xda-developers.com/realme-2-pro/how-to/convert-ozip-to-zip-installing-stock-t4065277
How do I flash the contents?
Also, how do I know if I need RMX1971EX or RMX1971 rom?
On my phone, in about phone, model is RMX1971. I got it in Thailand.
Updated: i know it's possible to flash it through stock file manager or recovery, but it doesn't work as it checks if the payload's version is prior to the installed rom.

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