bootloader update question - T-Mobile Galaxy Note 4 Q&A, Help & Troubleshooting

can we update the bootloader while on 4.xx. i onow you can, but will 4.xx atill work?
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Bootloader

Hey I'm new and I hope you can help me, I hope this is not a dumb question.
I wanted to install a new rom but in the instruction it says I have to unlock bootloader and install CWM recovery. I used odin to root but I dont know how to unlock bootloader, my question is how can I do it?
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what instruction? this device doesn't have a locked bootloader
Wanted to install SentinelROM in the instruction it says I need a unlocked bootloader
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link?
http://forum.xda-developers.com/showthread.php?t=2252953
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It says
To install this ROM you will need to have an unlocked bootloader
You have unlocked bootloader you do not have a locked bootloader as this device does not have a locked bootloader for you to unlock.
jje
Thanks alot
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Can't find OTA update

Hi! I've been trying to download the OTA update on my phone but it stays on:
"Checking for available update.
Please wait..."
Anyone knows why? My phone is rooted by the way and bootloder is unlocked. Please help.
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When the device is rooted and is running stock ROM, the OTA updates are not working properly on most devices. For example, in my Galaxy Y, when I tried to install a new firmware it stopped during the installation and rebooted on the old firmware. Then it displayed the known s*** like "The installation was not succesfull. Please try installing the firmware using Kies".
Otherwise, if your device is running a Custom ROM, you can update to the newest version without a problem.
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dimsar2013 said:
When the device is rooted and is running stock ROM, the OTA updates are not working properly on most devices. For example, in my Galaxy Y, when I tried to install a new firmware it stopped during the installation and rebooted on the old firmware. Then it displayed the known s*** like "The installation was not succesfull. Please try installing the firmware using Kies".
Otherwise, if your device is running a Custom ROM, you can update to the newest version without a problem.
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Ok. Thanks for answering. What if I unroot the device? Is it possible the update works if I unroot the device?
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If you unroot your device, you will be able to install a new firmware on it. Are you using stock or custom ROM?
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dimsar2013 said:
If you unroot your device, you will be able to install a new firmware on it. Are you using stock or custom ROM?
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Click to collapse
I'm using stock ROM.
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OK then. The solution is on the post 5. Unroot the device, install the new firmware and you can root the phone again if you want.
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_J_L_ said:
I'm using stock ROM.
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Ok. Thanks for the help, I really appreciate it.
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Twrp 2710

Help ?? My phones radio w I not turn on....After flashing it
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Recovery has nothing to do with radio.
RUU always fixes everything. If you're SuperCID, flash the HK RUU. That should take care of it.
Try doing *#*#info#*#* and making sure that your settings are correct
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Baseband

So I haven't been following XDA lately or system updates. My phone is currently rooted with xposed running. I am thinking about updating the software, but I need to know how I can upgrade to the fullest while keeping my root. Thanks
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gainstatom said:
So I haven't been following XDA lately or system updates. My phone is currently rooted with xposed running. I am thinking about updating the software, but I need to know how I can upgrade to the fullest while keeping my root. Thanks
Sent from my SAMSUNG-SM-G900A using XDA Free mobile app
Click to expand...
Click to collapse
go here for instructions on how to root the current NG3 OEM Firmware http://forum.xda-developers.com/showpost.php?p=55269781&postcount=1

Updating to lollipop

Hello,
Do I need to unroot my device to upgrade to lollipop?
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wuggy said:
Hello,
Do I need to unroot my device to upgrade to lollipop?
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No. Unless you want official OTA update

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