[Q] AT&T N4 with simlock and custom rom? - Galaxy Note 4 Q&A, Help & Troubleshooting

Hi guys,
i've got an oportunity to buy a SGSN4. It comes from USA with the AT&T simlock. Is it possible to install a custom rom on this (i dont care about the warranty) with european language? Is it possible also to unlock this phone to use it in every network?
Waiting for your reply, thanks a lot

The att Note 4 has a locked bootloader. Only a limited root is available currently. It resets every reboot and supposedly disappears randomly between reboots. A permanent root is still trying to be obtained, but it isn't clear as to if it will ever be obtained or not.
No root means that you can't install ANY roms or kernels. There aren't even any for the ATT Note 4 because we don't have permanent root yet.
You CAN unlock the phone though. I don't know how personally though, but it can be done. Go to the ATT Note 4 forums and read through there.
Sent from my SAMSUNG-SM-N910A using Tapatalk

Related

Verizon note 4 unlocked on Cricket (AT&T) network custom rom

I'm new here but have been following xda for years. I'm not new to rooting or flashing custom roms but after a few days of searching I can't find an answer to the following question.
I have and unlocked Verizon Note 4 n910v running Android 4.4.4 on the Cricket (AT&T) network. If I'm going to install a custom rom, do I need to find a rom for Verizon or for AT&T? Also can anyone clear up the rumor about a locked bootloader on this device? Any help would be awesome!
If you have already unlocked the bootloader on the 910V, I'm not too sure what rumor you are referencing regarding a locked bootloader ::
As far as roms go, it's a Verizon device so you need Verizon roms and firmware.
Sent from my SM-N910V using XDA-Developers mobile app
10bahelmer said:
I'm new here but have been following xda for years. I'm not new to rooting or flashing custom roms but after a few days of searching I can't find an answer to the following question.
I have and unlocked Verizon Note 4 n910v running Android 4.4.4 on the Cricket (AT&T) network. If I'm going to install a custom rom, do I need to find a rom for Verizon or for AT&T? Also can anyone clear up the rumor about a locked bootloader on this device? Any help would be awesome!
Click to expand...
Click to collapse
For ROMs, you must install verizon ROMs because the phone uses verizon-customized hardware.
It is no rumor that this device comes with a locked bootloader. However, thanks to the talented devs here at XDA, there is now an official way to unlock the bootloader; but you have to update to Lollipop 5.1.1 and BPA1 baseband.
I'm using a T-mobile sim in my verizon note 4 without unlocking the bootloader on lollipop and BPA1, so you shouldn't worry about your sim not working after updating. Have fun!
you have a misunderstanding of unlocked. what you are referencing is that you are using the factory unlocked gsm portion of the modem in the verizon model phone. you are NOT bootloader unlocked as you are still on 4.4! if you want to truly unlock it (as in the bootloader) then you will need to upgrade to 5.1.1 (BPA1) via odin. There are several tutorials on how to achieve this, and unlocking (including one that i wrote on the main thread).
to answer your question about using a verizon rom or a t-mobile rom, you can try any snapdragon rom that you would like, but there is NO GUARANTEE that they will work as each developer compiles with or without certain components. what ever you do, do NOT try to flash other carrier (at&t, t-mobile, sprint, etc.) firmware. BIG NO NO! although you claim to have experience with rooting and flashing roms, i would advise you to ALWAYS stick with the carrier variation of whatever device you are working with until you get a better understanding of the different components to a phone i.e. bootloader, modem, rom, etc. xda-university has a nice explanation of these things. so go read up on these things. if you need help, feel free to ask.
Thank you for everyone's advice. Upgrade to lollipop via Odin and bpa1. Got it. As far as custom rom goes, use a Verizon carrier custom rom.

Galaxy note 3 t mobile n900t

Hi, I bought an unlocked the mobile note 3, rooted with the 4.4.2 and I want to get lollipop. So I downloaded the latest release for n900t from sammobile to install with Odin but I have a question. If I upgrade in this way I'll lost the free sim unlocked? Sorry if is it a stupid question
When unlocking a phone, there are usually two separate things this can mean; either an unlocked bootloader or an unlocked SIM. Both are unlocked (via software/code) on a hardware level, if I'm not mistaken, as I've heard of folks unlocking their SIMs and flashing all sorts of ROMs with no issues. If it's all the same, unless you're flashing to a firmware that's not downgrade-able, you can also make a full backup, in case it turns out that the flash *does* re-lock it; That way, you can always revert back to your backup.
Sent from my SM-N900V using Tapatalk
Ok thanks you

General question on flashing a Note 4 after changing mobile provider

Hi,
I have a Note 4 (model N910A) that I was using with AT&T. Recently I moved over to T-Mobile and kept the same phone.
So my phone is 'unlocked' and working fine but I noticed I have a lot of AT&T bloatware still on the phone so I was thinking
of flashing it with a custom ROM; my question is this.....
Should I be following the instructions for a T-Mobile Note 4 or for a AT&T Note 4? Or perhaps it doesn't matter?
Thanks in advance, any help appreciated....
As far as i know if you have n910A model you cant flash custom rom beacuse thier bootlader always comes with lock
Sent from my SM-N910G using Tapatalk
Yeah, I wouldn't recommend flash a custom ROM onto your device. As it's specifically design to work on AT&T's LTE/4G bands, so even if you do flash a custom ROM onto it. You are not gonna be able to say put a Verizon SIM into your device and be able to use their LTE/4G bands on your device.

Which Galaxy Note 4 to buy with rooting in mind?

Hi,
I want to buy a Note 4 and absolutely need root on it. I just found some ugly stuff about rooting it:
http://forum.xda-developers.com/note-4-att/help/root-samsung-sm-n910a-5-1-1-build-t3355869
quote:
----------------------
forgot to tell you the two U.S. carriers that put locks on their bootloaders is AT&T and VERIZON so i wouldnt recommend root unless you unlock bootloader or else your phone will continueously stay in boot mode without letting you exit. that i believe is a bootloop good luck
-----------------------
Since I can chose which one I buy, I obviously want to get the one that can be rooted. It does not have to be easy, I have used odin in the past, no problem. There are quite a few versions out there though, and I'm a little confused which ones will work. Looks to me like that N910A is out and root pretty much impossible.
I have my eyes on the canada version: N910W8
What about the T-mobile version?
Thanks,
Markus
browny_amiga said:
Hi,
I want to buy a Note 4 and absolutely need root on it. I just found some ugly stuff about rooting it:
http://forum.xda-developers.com/note-4-att/help/root-samsung-sm-n910a-5-1-1-build-t3355869
quote:
----------------------
forgot to tell you the two U.S. carriers that put locks on their bootloaders is AT&T and VERIZON so i wouldnt recommend root unless you unlock bootloader or else your phone will continueously stay in boot mode without letting you exit. that i believe is a bootloop good luck
-----------------------
Since I can chose which one I buy, I obviously want to get the one that can be rooted. It does not have to be easy, I have used odin in the past, no problem. There are quite a few versions out there though, and I'm a little confused which ones will work. Looks to me like that N910A is out and root pretty much impossible.
I have my eyes on the canada version: N910W8
What about the T-mobile version?
Thanks,
Markus
Click to expand...
Click to collapse
AT&T and Verizon should be avoided, otherwise you can just flash super-su via odin.
browny_amiga said:
Hi,
I want to buy a Note 4 and absolutely need root on it. I just found some ugly stuff about rooting it:
http://forum.xda-developers.com/note-4-att/help/root-samsung-sm-n910a-5-1-1-build-t3355869
quote:
----------------------
forgot to tell you the two U.S. carriers that put locks on their bootloaders is AT&T and VERIZON so i wouldnt recommend root unless you unlock bootloader or else your phone will continueously stay in boot mode without letting you exit. that i believe is a bootloop good luck
-----------------------
Since I can chose which one I buy, I obviously want to get the one that can be rooted. It does not have to be easy, I have used odin in the past, no problem. There are quite a few versions out there though, and I'm a little confused which ones will work. Looks to me like that N910A is out and root pretty much impossible.
I have my eyes on the canada version: N910W8
What about the T-mobile version?
Thanks,
Markus
Click to expand...
Click to collapse
910t is mod friendly. To root a 910t, you flash Odin and load SuperSU (systemless) as indicated above or flash a permissive kernal and system level root. It is also compatible with att network if that is your carrier. Just need to unlock it.
Thanks guys, that helps, I will go for a 910t then.
weard1212 said:
AT&T and Verizon should be avoided, otherwise you can just flash super-su via odin.
Click to expand...
Click to collapse
Bit of a noob, but I'm a bit confused. If I buy an "Unlocked" Verizon phone like the SM-N910V, would I be able to use any custom roms?
I was about to buy either the N910V (Verizon) or N910W8 (Verizon/North America)
Can't the Verizon & AT&T be rooted with Chainfire AutoRoot?
joebelachi said:
Bit of a noob, but I'm a bit confused. If I buy an "Unlocked" Verizon phone like the SM-N910V, would I be able to use any custom roms?
I was about to buy either the N910V (Verizon) or N910W8 (Verizon/North America)
Can't the Verizon & AT&T be rooted with Chainfire AutoRoot?
Click to expand...
Click to collapse
Only if you buy a developer edition verizon model and last time I checked they were upwards of around $800. Your best bet is W8 or T. I did all the research like you and ended up buying a T and have never been happier
joebelachi said:
Bit of a noob, but I'm a bit confused. If I buy an "Unlocked" Verizon phone like the SM-N910V, would I be able to use any custom roms?
I was about to buy either the N910V (Verizon) or N910W8 (Verizon/North America)
Can't the Verizon & AT&T be rooted with Chainfire AutoRoot?
Click to expand...
Click to collapse
(Unlocked means sim unlocked)
Bootloader Unlocked verizon phones can be flashed with a custom rom, and if you get a verizon phone, I suggest a Bootloader unlocked one. Verizon and AT&T phones with locked bootloaders can't be rooted with Chainfire. Chainfire should NOT be used on a phone with a locked bootloader because it flashes partitions and will most likely hard brick your phone. I would still sugest against a Bootloader non-unlocked Verizon or AT&T phone. Also using a custom recovery or odin to flash super-su has worked much better for me with a lot less less risk than Chainfire.
Whatever you decide upon dont get the EDGE. it needs special roms, and it wont work with gear VRs. i have the euro verison, and didnt have any problems rooting. cf-autoroot and done.
Really appreciate the responses guys. Especially for the clarification around Unlocking ("Unlocked means the bootloader").
I'll check out what custom ROMS work on the Verizon (910V).
Are there more ROMS for the 910W8's or the 910V's. Also if I go stock on the W8s, I would have to choose a Canadian carrier.
I'll definitely stay away from the EDGE, didn't really like it anyway
joebelachi said:
Really appreciate the responses guys. Especially for the clarification around Unlocking ("Unlocked means the bootloader").
I'll check out what custom ROMS work on the Verizon (910V).
Are there more ROMS for the 910W8's or the 910V's. Also if I go stock on the W8s, I would have to choose a Canadian carrier.
I'll definitely stay away from the EDGE, didn't really like it anyway
Click to expand...
Click to collapse
Careful there, usually 'unlocked' like on Swappa or similar means carrier unlocked, not boot loader unlocked.

Does region unlock survives bootloader unlock + custom ROM?

I'm planning to buy a European version of the SG7 edge. Checking online I found about the region lock issue so I was wondering if, after unlocking it with 5 minutes of calls, can I still unlock the bootloader and install custom ROMs without losing the unlock itself. I need to know this as I live outside Europe at the moment, so I don't want to have a useless phone after a while, thanks
Pav90 said:
I'm planning to buy a European version of the SG7 edge. Checking online I found about the region lock issue so I was wondering if, after unlocking it with 5 minutes of calls, can I still unlock the bootloader and install custom ROMs without losing the unlock itself. I need to know this as I live outside Europe at the moment, so I don't want to have a useless phone after a while, thanks
Click to expand...
Click to collapse
You can unlock bootloader and install custom Rom. If you buy a global unlocked variant.
Sent from my SM-G935F using Tapatalk
There's no really such thing as a bootloader unlocking on european model. It's just always unlocked. You can flash anything You want. And the call unlock thingy should either be required to do just once after buying it. Or every time You flash a custom rom. But that's the worst case. So I think You should be fine with just one 5 minute call. So don't worry. Get the phone. And enjoy! Recently we have so many custom roms that it's really worth it.

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