A30 Invalid Kernel Length - Samsung Galaxy A30 Questions & Answers

Good day.
I need help and I'm only a newbie.
My phone doesn't boot past the logo.
An error appears on top: "Cannot do normal boot. Invalid kernel length".
After searching the net, I've tried flashing stock rom with Odin 3.14.1 and this firmware: https://www.sammobile.com/samsung/galaxy-a30/firmware/SM-A305GN/XTC/#SM-A305GN (I understand this is the latest one)
But it fails after cm.bin (see log below)
Code:
<ID:0/007> Odin engine v(ID:3.1401)..
<ID:0/007> File analysis..
<ID:0/007> skip file list for home binary
<ID:0/007> param.bin
<ID:0/007> userdata.img
<ID:0/007> Home Binary Download
<ID:0/007> Total Binary size: 5223 M
<ID:0/007> SetupConnection..
<ID:0/007> Initialzation..
<ID:0/007> Get PIT for mapping..
<ID:0/007> Firmware update start..
<ID:0/007> NAND Write Start!!
<ID:0/007> SingleDownload.
<ID:0/007> sboot.bin
<ID:0/007> cm.bin
<ID:0/007> FAIL!
<ID:0/007>
<ID:0/007> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)
I attached the screenshot of what I was trying to do.
Phone model: SM-A305GN
Country: Philippines (open line)
Please advice on what to do next.
Thank you in advance.

i have this solution too
my Samsung Model
SM-A305F Iran (TCT)

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ho, i have a S6 from att g920a, i do a factory reset and dont start any more, only see the first screen "S6" and reboot constantly, turn on only if its connected to the charger, already try to flash with odin but not lucky, THANKS!!!
this is with odin 3.10.7
<ID:0/003> Odin engine v(ID:3.1100)..
<ID:0/003> File analysis..
<ID:0/003> SetupConnection..
<ID:0/003> Initialzation..
<ID:0/003> Set PIT file..
<ID:0/003> DO NOT TURN OFF TARGET!!
<ID:0/003> Get PIT for mapping..
<ID:0/003> Firmware update start..
<ID:0/003> SingleDownload.
<ID:0/003> sboot.bin
<ID:0/003> NAND Write Start!!
<ID:0/003> param.bin
<ID:0/003> cm.bin
<ID:0/003> boot.img
<ID:0/003>
<ID:0/003> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)
<ID:0/003> Removed!!
latest firm OJ7
THANKS!!!

twrp issue

I updated to Marshmallow and after the update I could not install the twrp i got failed
Message
PHP:
<ID:0/010> Odin engine v(ID:3.1101)..
<ID:0/010> File analysis..
<ID:0/010> SetupConnection..
<ID:0/010> Initialzation..
<ID:0/010> Get PIT for mapping..
<ID:0/010> Firmware update start..
<ID:0/010> SingleDownload.
<ID:0/010> recovery.img
<ID:0/010> NAND Write Start!!
<ID:0/010> FAIL! (Auth)
<ID:0/010>
<ID:0/010> Complete(Write) operation [QRCODE]failed[/QRCODE].
<OSM> All threads completed. (succeed 0 / failed 1)
I just found the solution turned out the reactivation lock was the problem. just turn it off
setting> security and turn off 'reactivation lock

hidden.img error when flashing stock room by odin

<ID:0/003> Odin engine v(ID:3.1005)..
<ID:0/003> File analysis..
<ID:0/003> SetupConnection..
<ID:0/003> Initialzation..
<ID:0/003> Get PIT for mapping..
<ID:0/003> Firmware update start..
<ID:0/003> SingleDownload.
<ID:0/003> boot.img
<ID:0/003> NAND Write Start!!
<ID:0/003> cache.img
<ID:0/003> cm.bin
<ID:0/003> hidden.img
<ID:0/003> FAIL!
<ID:0/003>
<ID:0/003> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)
1. Tried to delete the "hidden.img" in the TAR file, problem still persisted.
2. TWRP wipe data, problem still persisted.
Can anyone please help?:crying:
aNxie1y said:
<ID:0/003> Odin engine v(ID:3.1005)..
<ID:0/003> File analysis..
<ID:0/003> SetupConnection..
<ID:0/003> Initialzation..
<ID:0/003> Get PIT for mapping..
<ID:0/003> Firmware update start..
<ID:0/003> SingleDownload.
<ID:0/003> boot.img
<ID:0/003> NAND Write Start!!
<ID:0/003> cache.img
<ID:0/003> cm.bin
<ID:0/003> hidden.img
<ID:0/003> FAIL!
<ID:0/003>
<ID:0/003> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)
1. Tried to delete the "hidden.img" in the TAR file, problem still persisted.
2. TWRP wipe data, problem still persisted.
Can anyone please help?:crying:
Click to expand...
Click to collapse
Download the latest stock firmware for your device model, and extract from it the file called hidden.img, rename that file as hidden.img.tar Now open Odin and try to install the firmware you downloaded, when you see the error in Odin, load the file hidden.img.tar on AP and flash it. Now turn on the phone and wait around 5 minutes, it should boot up.
Please note that this will only work if the error shown in Odin is:
hidden.img
FAIL!

An error I'm getting when flashing my Note 9 from Sprint to unlocked

I bought the phone from a friend and now it is giving me this error:
<ID:0/005> Added!!
<ID:0/005> Odin engine v(ID:3.1301)..
<ID:0/005> File analysis..
<ID:0/005> Total Binary size: 6639 M
<ID:0/005> SetupConnection..
<ID:0/005> Initialzation..
<ID:0/005> Set PIT file..
<ID:0/005> DO NOT TURN OFF TARGET!!
<ID:0/005> Get PIT for mapping..
<ID:0/005> Firmware update start..
<ID:0/005> NAND Write Start!!
<ID:0/005> SingleDownload.
<ID:0/005> abl.elf
<ID:0/005> FAIL! (Auth)
<ID:0/005>
<ID:0/005> Complete(Write) operation failed.
I'm trying to flash pie on to it and I'm using the files from the main thread. Any ideas why the error is happening or how I could fix it?
Thanks
doctor_slim said:
I bought the phone from a friend and now it is giving me this error:
<ID:0/005> Added!!
<ID:0/005> Odin engine v(ID:3.1301)..
<ID:0/005> File analysis..
<ID:0/005> Total Binary size: 6639 M
<ID:0/005> SetupConnection..
<ID:0/005> Initialzation..
<ID:0/005> Set PIT file..
<ID:0/005> DO NOT TURN OFF TARGET!!
<ID:0/005> Get PIT for mapping..
<ID:0/005> Firmware update start..
<ID:0/005> NAND Write Start!!
<ID:0/005> SingleDownload.
<ID:0/005> abl.elf
<ID:0/005> FAIL! (Auth)
<ID:0/005>
<ID:0/005> Complete(Write) operation failed.
I'm trying to flash pie on to it and I'm using the files from the main thread. Any ideas why the error is happening or how I could fix it?
Thanks
Click to expand...
Click to collapse
Wassup Doctor_slim,
Generally when you recieve an error at abl, it means you are attempting to flash firmware with the incorrect boot loader version.
Do you mind posting your current Baseband Version?
Sent from my SM-N960U1 using Tapatalk
"main thread" is very general.
what exact phone do you have?
what exact files are you flashing?
did you read carefully about:
-using Odin and diferent versions (regular and patched)
-which device you have and its current firmware
-what is your intentions appart from just flashing pie.( u or u1 firmware? and latest pie build? or some random old build?)
if you search and read about the above topics, you'd probably succeed.

Odin Errors

When I try to flash my phone I get errors like
1.
<ID:0/010> Odin engine v(ID:3.1401)..
<ID:0/010> File analysis..
<ID:0/010> Total Binary size: 4659 M
<ID:0/010> SetupConnection..
<ID:0/010> Can't open the serial(COM) port.
<OSM> All threads completed. (succeed 0 / failed 1)
2.
<ID:0/008> Odin v.3 engine (ID:8)..
<ID:0/008> File analysis..
<ID:0/008> SetupConnection..
<ID:0/008> Initialzation..
<ID:0/008> Set PIT file..
<ID:0/008> DO NOT TURN OFF TARGET!!
<ID:0/008> Get PIT for mapping..
<ID:0/008> Firmware update start..
<ID:0/008> sboot.bin.lz4
<ID:0/008> NAND Write Start!!
3.
<ID:0/005> File analysis..
<ID:0/005> SetupConnection..
<ID:0/005> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)
4.
<ID:0/007> Odin engine v(ID:3.1401)..
<ID:0/007> File analysis..
<ID:0/007> Total Binary size: 4661 M
<ID:0/007> SetupConnection..
<ID:0/007> Initialzation..
<ID:0/007> Set PIT file..
<ID:0/007> DO NOT TURN OFF TARGET!!
<ID:0/007> Get PIT for mapping..
<ID:0/007> Firmware update start..
<ID:0/007> NAND Write Start!!
<ID:0/007> SingleDownload.
<ID:0/007> sboot.bin
<ID:0/007> param.bin
<ID:0/007> FAIL!
<ID:0/007>
<ID:0/007> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)
How to fix it
UPD: i fixed it https://samfw.com/firmware/SM-A600FN/SEK/A600FNXXU9CVE1
And the same error occurs with other firmware versions? Any error shows on phone screen? And what are you trying to flash?
nqnxev said:
And the same error occurs with other firmware versions? Any error shows on phone screen? And what are you trying to flash?
Click to expand...
Click to collapse
1.Yes
2.No
3.I am trying to flash official android 8 firmware (downgrade)
blvxrd said:
3.I am trying to flash official android 8 firmware (downgrade)
Click to expand...
Click to collapse
Here's the problem. It's impossible to downgrade to firmware with lower bootloader version. However, it is possible if you unlock your bootloader, flash custom recovery and then flash your Oreo through TWRP/OrangeFox.
nqnxev said:
Here's the problem. It's impossible to downgrade to firmware with lower bootloader version. However, it is possible if you unlock your bootloader, flash custom recovery and then flash your Oreo through TWRP/OrangeFox.
Click to expand...
Click to collapse
thanks, i have already repaired it

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