Firmware/Bootloader Help - Galaxy S 5 Q&A, Help & Troubleshooting

Hi all,
I've searched around and couldn't find a clear answer to this, I want to update the latest bootloader and firmware for my G900F (KLTE) and G901F (KKCAT6) and wondered if flashing the latest firmware from sammobile etc would do update these files? I am currently using Mokee Rom for both devices and would re-flash this rom after updating the bootloader and modem.
Would a simple flash of the firmware via Odin be enough? Many thanks for the help.
Edit: Do I also need to check/tick the box in Odin's options that says 'Phone Bootloader Update' when installing a stock firmware or does it update without this option?

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[Q] Firmware (Modem)

Hi,
Currently my baseband version is N9005XXUDMJ4. Do I need to update (modem etc.) for Android 5.1? I want to use Temasek's unofficial build. If yes, where can I get an up-to-date version that I can flash with Odin?
BTW: This is an Austrian phone.
Update to a lollipop based baseband is the best way for zero issues in future. Yes you can flash by odin, but if your system and bootloader is kitkat. Why not flash a comlete Firmware? Thats the best way..... there are lots of links @ " general" forum .called how to..... blabla lollipop und so weiter.
Thanks, found a link for updating modem and bootloader, but decided to download the full firmware from sammobile. I'll flash a custom rom immediately thereafter, though.

How to disable towelroot?

Hi guys,
I have the following official rom :I9505XXUFNB88
I only rooted the phone using towelroot with Knox 0x0. However after two years of using it and now loosing my warranty I would like to update my phone to 5.0 or even flash a custom rom 6.0.
Theres a small hiccup, I can't ota any update because it shows me an error when flashing. I bet it has something to do with towelroot.
Do you know how to disable it?
Many thanks!
Download a ROM from sammobile, using the device model, and narrowing down the results by country and carrier. Flash that ROM through Odin, as it will be the latest provided by Samsung. That will upgrade your bootloader and baseband to the latest versions. From there, download the latest TWRP recovery available (link in the AOSP 6.0 thread located in I9505 Original Android Development) and flash that through Odin. Then flash the custom ROM of your choosing.

running latest bootloader/modem question

Hi guys
searched the forums but cannot find the answer.
I have a 935f and its running the latest bootloader and modem from november. i just got this phone and have rooted and installed TWRP, when i am looking at custom roms like superman and renovate, it tells me to "update" my bootloader and modem to octobers version for superman or septembers version for renovate.
obviously i a running a later version than both of these, am i ok to flash the rom without doing anything or do i need to downgrade my bootloader then flash?
if i downgrade will i have to root and install TERP again plase?
thanks in advance for the help

Is it possible to update firmware with custom rom installed?

Hey guys, i searched a lot, on google and xda, but i think i couldn't find the answer to my question.
I have the latest unofficial LineageOS 8.1.0 Oreo installed, with TWRP.
At home my phone is losing wifi signal every few minutes and then it reconnects again, as far as i know this was already a problem with stock Samsung ROM installed. Now, since i rooted and installed TWRP and LOS i ask myself, if there is a possibility to update latest firmware / modem / booloader without wiping the device, respectively flash the whole Samsung stock ROM with Odin and root / the device again?
To be simple: Is it possible to flash extracted parts of the official Samsung FW package with odin or flashfire to update wifi modem / firmware without losing data and wipe my installed LOS rom?
All i could find was how to do this with official rooted samsung ROM but not how to update with an installed custom rom?
Maybe somebody can help me out here Thanks in advance!
EDIT: I found that somebody made twrp flashable modem and bootloader files! Thatd awesome, you can find the thread here: https://forum.xda-developers.com/galaxy-s7/how-to/guide-onelatest-stock-fw-csc-root-t3702963
BatZzn said:
Hey guys, i searched a lot, on google and xda, but i think i couldn't find the answer to my question.
I have the latest unofficial LineageOS 8.1.0 Oreo installed, with TWRP.
At home my phone is losing wifi signal every few minutes and then it reconnects again, as far as i know this was already a problem with stock Samsung ROM installed. Now, since i rooted and installed TWRP and LOS i ask myself, if there is a possibility to update latest firmware / modem / booloader without wiping the device, respectively flash the whole Samsung stock ROM with Odin and root / the device again?
To be simple: Is it possible to flash extracted parts of the official Samsung FW package with odin or flashfire to update wifi modem / firmware without losing data and wipe my installed LOS rom?
All i could find was how to do this with official rooted samsung ROM but not how to update with an installed custom rom?
Maybe somebody can help me out here Thanks in advance!
Click to expand...
Click to collapse
I think you can update the bootloader and modem without wiping anything. Just flash thru odin. I'm on a custom rom by the way.

[Hard Problem] Unable to boot up after flashing

Hey guys, I got an Samsung Galaxy Note3 That really stuck on logo before flashing the device. The model number is SM-N9005. I tried to flash the device with the never version of Android and it doesn't work. I tried to flash with the older version and custom rom but it still did the same. I can't figure it out what's the problem. I hope you guys help me out with this issues. I use odin v3.0.7 and if you guys had any suggestion using the other device please let me know about it. Thanks
Just download the stock firmware for your device
Just download the stock firmware for your device from sammobile.com it's free and flash it with Odin
This will put you on 5.0 lollipop but then you can just flash twrp and install any other custom ROM and btw I think that the problem you are facing is because you didn't flash the new bootloader and modem for the ROM you tried installing.

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