[Q] flashing without root - Galaxy S 4 Q&A, Help & Troubleshooting

sorry for asking
Just a quick question.
Looking to flash 4.4 over my 4.3 s4
My device is not rooted.
Does it have to be rooted to flash the image?
thanks

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[Q] Flashable prerooted stock 4.3 zip for I9505G?

I posted this in the wrong forum earlier and now I can't delete it. Sorry 'bout that mixup
I've been lurking for the past few days looking for an answer to this question, but all the I9505 vs I9505G compatibility, baseband mismatch, and bootloader update discussion makes it very confusing to jump in and know what's happening. I figure I just better ask and apologize if it's common knowledge already.
Is there/will there be a prerooted stock 4.3 zip that is flashable in CWM that I can flash on top of my I9505G 4.2.2 rooted stock ROM without wiping data? To be clear I HAVE a model I9505G and want to upgrade it from 4.2.2 to 4.3 stock while maintaining root. Normally, that's not such a big deal, but this update seems to be causing some kerfuffle/
Thanks in advance!

[Q] Noob needs help S4 i9505

Hi guys. I recently flashed stock jellybean 4.3 on my S4 and am now hoping to re-root and install a new custom rom but would like a little help before I proceed.
I was using omega rom previously on 4.2 and enjoyed it so was hoping to install version 14 on my updated phone.
My problem is that I need to choose between one of the two tar files available dependant on whether I have the old bootloader XXUB or the new bootloader XXUD. Where do I find out which bootloader I have? My baseband version is i9505xxuemj7.
My second question is (sorry noobish!) can I install clockworkmod and then flash this pre-rooted rom or must I root before flashing clockworkmod and then install the rom?
If Im asking in the wrong section or am being a total noob I do apologise. I have only rooted once previously and came from years of 'ahem' apple iphone use
Any help greatly appreciated guys.

[Q] Wondering how to Unroot S4

Hey Everyone,
I just rooted my Galaxy S4 (4.4.2). I'm about to install TWRP, but i'm afraid i can't revert it. What would be the best way to Unroot my S4 and will unrooting remove my Custom Recovery?
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[Q] Please help me flash an upgraded OS to my device

Hi all, I want to install a 4.4.4 ROM. I haven't been around the forums for a while (I've been satisfied with my rooted stock 4.2.2 MDL), but now I feel it is time to upgrade.
First off, the recovery I have right now is CWM 6.0.3.2 touch recovery. Is that OK? Or is it outdated? Does it have auto-loki?
Secondly, will I still be rooted after upgrading to 4.4.4? If not, is there a known root process?
Thanks to all! I really want to get back into the stock Android scene.

[Q] Galaxy s4 unroot mf3

Hey guys I'm currently still on 4.2.2 with rooted mf3 running a gpe rom via safestrap. I've been trying to unroot, so I can finally upgrade to KitKat. Has anyone successfully unrooted and updated? If so, can you help me out? Thank you.

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