Database Users

Just got my new s4 do I update?

Its downloaded OS upgrade to 4.3, currently on 4.2
I haven't installed it yet as it states you cannot downgrade after this update.
I will probably be interested in custom roms and rooting, if I update to this will i not be able to root etc?
Sorry if this is a noob question

You always update via OTA or download ROM and flash?

Which model do you have?
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nikzDHD said:
Which model do you have?
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9505
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THUDUK said:
9505
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Tell me the firmware your currently on. If pre KNOX your good.
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Back to stock?

Is there a safe way back to stock from the MJ7 ota?
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MJ7 IS stock. You mean if you can downgrade to an older firmware? No you can't AFAIK the updated bootloader doesn't allow users to downgrade to an older firmware using Odin.
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Does root prevent OTA updates ?

Hi everybody !
Au said in the title, i'd like to know wether rooting the device prevent us to do OTA updates or not.
Thx !
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Not sure, I don't think it should.

No, just rooting will not prevent you from getting OTA updates, just don't change the bootloader. However when and if you get an OTA update, it might remove the root.

So I have rooted and flashed twrp recovery. Does this change my bootloader?
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Demonlinx said:
So I have rooted and flashed twrp recovery. Does this change my bootloader?
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you will not get OTA's

How would I go back so that when the time comes I can ota?
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Demonlinx said:
How would I go back so that when the time comes I can ota?
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You will need to flash the stock firmware file to go back to stock.

But I'm still on stock firmware, I just rooted and flashed twrp, I haven't flashed any roms. Shouldn't I still be able to get the ota?
And with IO Root, which is the way i rooted my phone, doesn't it bypass the bootloader and leave it locked?
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No you should not
Demonlinx said:
But I'm still on stock firmware, I just rooted and flashed twrp, I haven't flashed any roms. Shouldn't I still be able to get the ota?
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I suggest you should download the latest firmware kdz file and flash via flashtool. You cannot update over the OTA. My friends have get hard brick their phones because they have rooted and flashed TWRP. Be careful,

Well on Sprint it worked fine. Can you link me to the file? And is getting back to stock the same?
The Sprint forum doesn't have a thread on returning to stock
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[Q] Q 4.4.2. Downgrade

I have to send my s4 back to at&t and need to downgrade it back to stock, i was reading all kinds of different ways, just wanted to make sure i have this right before i do it, odin the 4.2.2 stock firmware, and use triangle away to reset the flash counter? Is that correct, baseband is UCUFMLD and its MDF v1.0 Release 2

Try this method to downgrade and root.
http://forum.xda-developers.com/showthread.php?p=52289782
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netomel said:
Try this method to downgrade and root.
http://forum.xda-developers.com/showthread.php?p=52289782
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Didn't mean to thank this he's not looking to downgrade and root, he wants to flash back to stock. Just use the same firmware package as whatever you were on.
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DeadlySin9 said:
Didn't mean to thank this he's not looking to downgrade and root, he wants to flash back to stock. Just use the same firmware package as whatever you were on.
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In the same process of downgrading you can stay on stock MK2 OR NB1.
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netomel said:
In the same process of downgrading you can stay on stock MK2 OR NB1.
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OP said he's planning to send it in though so it's best not to do any downgrade.
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DeadlySin9 said:
OP said he's planning to send it in though so it's best not to do any downgrade.
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The only way to go back to stock from a custom rom is to odin full nb1. From the link I post it before. You cant use firmare from sammobile. I did try without success.
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Bootloader nk4

If I update the bootloader with odin to nk4, will I lose root?
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Largewoodenspoon said:
If I update the bootloader with odin to nk4, will I lose root?
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Bootloader is separate from the ROM. So no, you won't lose root.
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