Downgrade S5 - General Questions and Answers

Hi there i have a question I was wondering if I can downgrade from marshmallow to kitkat without any problems and if is possible of course

AdiZero said:
Hi there i have a question I was wondering if I can downgrade from marshmallow to kitkat without any problems and if is possible of course
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Verizon?
You can downgrade the VZW S5 to lollipop but not to KitKat.

Newyork! said:
Verizon?
You can downgrade the VZW S5 to lollipop but not to KitKat.
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Unlocked variant SM-G900F

AdiZero said:
Unlocked variant SM-G900F
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Probably you can only downgrade to MM, in any case you can try downgrading to KK and see if it's possible, if not then have MM stock ready...

Newyork! said:
Probably you can only downgrade to MM, in any case you can try downgrading to KK and see if it's possible, if not then have MM stock ready...
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but if i do it wont brick my device?

AdiZero said:
but if i do it wont brick my device?
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Soft brick, you'll need to reflash stock MM.
Just do some more homework in the S5 thread before you're doing anything. Don't take my words as guaranteed!

Newyork! said:
Soft brick, you'll need to reflash stock MM.
Just do some more homework in the S5 thread before you're doing anything. Don't take my words as guaranteed!
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Well let's see if someone else writes in this post

Related

[Q] HELP ! Downgrading from 4.4.4 to 4.4.2

Can anyone help me out in downgrading my moto g XT1033 from stock 4.4.4 to 4.4.2 .
aravreddy2231 said:
Can anyone help me out in downgrading my moto g XT1033 from stock 4.4.4 to 4.4.2 .
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Not many people have had luck doing this.
Downgrade?
usertag said:
Not many people have had luck doing this.
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Sprint Samsung Galaxy S3 - I was on Gummy-M1.2-03-10-14-NIGHTLY-d2lte with pa_gapps-stock-4.4.2-20140207-signed.
I was on I upgraded the other day by flashing:
Furnace kernel 1.0.8-aosp_m8
Gummy-M2.3-07-15-14-NIGHTLY-d2lte
pa_gapps-stock-4.4.2-20140608-signed
Only then did I find out that my 64GB external SD card is read-only and basically worthless in Android V4.4.4, (thanks a BUNCH, Google!!) (NOT!).
What is preventing people from being successful in downgrading back to 4.4.2? If re-flashing the old stuff isn't a good answer, do you know if a simple restore of my Nandroid backup would take it back?
What a pain!
Thanks!
i would like to know this aswel ,is it possible to go back to 4.4.2 from 4.4.4 ?
quizmaniac said:
i would like to know this aswel ,is it possible to go back to 4.4.2 from 4.4.4 ?
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Yes, I did it.
vhngu930 said:
Yes, I did it.
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could you tell us how?
Finally i was also able to downgrade to 4.4.2. Always when i tried to flash 4.4.2 as usual via fastboot i got stuck at the Bootloader unlocked Screen. Magically after flashing CM i was finanly able to downgrade to a working 4.4.2. Do not really know what happend and if it is somehow related. I'll try to reproduce it later..
I was able to downgrade from stock 4.4.4 to 4.4.2 but not any lower.
usertag said:
I was able to downgrade from stock 4.4.4 to 4.4.2 but not any lower.
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hi, i need to flash the 4.4.2 firmware en.deu in my phone that have 4.4.4 firmware en.uk .
i have bootloader locked.
can you tell me the porcedure if it possible..??
thank you.
i have try to use this guide http://forum.xda-developers.com/showthread.php?t=2542219 but don't work ...
quizmaniac said:
could you tell us how?
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I'm not sure if it works if you're stock, but I used this guide: http://forum.xda-developers.com/showthread.php?t=2542219 I flashed the Retail UK 4.4.2 with about 2300 downloads.
vhngu930 said:
I'm not sure if it works if you're stock, but I used this guide: http://forum.xda-developers.com/showthread.php?t=2542219 I flashed the Retail UK 4.4.2 with about 2300 downloads.
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Will keep that in mind,
im surprised so many people are struggling if using that guide works,i have used that to restore my phone in the past so thanks
quizmaniac said:
Will keep that in mind,
im surprised so many people are struggling if using that guide works,i have used that to restore my phone in the past so thanks
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This guide worked for me too, although the first two commands returned as 'FAILED'. Proceeded with the other commands and worked fine :good:

help to unlock sim

hi all, since SSU it not working for lollips devices, its there any other alternative to unlick my sim for international GSM use??
Why not Odin back to KitKat? I do it with the S4, S5, Note 3.... it worked. Try it.
If ur on 5.1 you cant roll back ur Bootloader nor can you downgrade back to KK
Ickyz said:
If ur on 5.1 you cant roll back ur Bootloader nor can you downgrade back to KK
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i got 5.0.1 lollipop would be safe to roll back to kitkat??
copachono said:
i got 5.0.1 lollipop would be safe to roll back to kitkat??
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Sent from my SM-N915P
Nope, lolipop in general.
if you still need help with this, I can probably help. I've got an unlock solution for 5.1.1
stephfd21 said:
if you still need help with this, I can probably help. I've got an unlock solution for 5.1.1
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Could you make a guide on how to unlock it?
arturgig said:
Could you make a guide on how to unlock it?
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http://idoneapps.com/forum/index.php?topic=12.0
Use these instructions to root the phone, after you're done rooting. Message me for the unlock files

[Completed] Downgrading

is it possible to downgrade from marshmallow to kitkat? is it safe?
fatso.fp said:
is it possible to downgrade from marshmallow to kitkat? is it safe?
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Yes but you'll need to tell us what device you have so I can point you in the right direction.

How To: Upgrade PE-TL10C900B334 Lollipop To Marshmallow

Dear All,
I have upgraded my Honor 6 Plus from this version TL10_V100R001C900B135 to PE-TL10C900B334 Lollipop, and I want to upgrade it to Marshmallow, so any one know which official firmware is compatible.
Thanks.
Mulham82 said:
Dear All,
I have upgraded my Honor 6 Plus from this version TL10_V100R001C900B135 to PE-TL10C900B334 Lollipop, and I want to upgrade it to Marshmallow, so any one know which official firmware is compatible.
Thanks.
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You didn't find any firmware according to your model on firmware finder??
hassanjavaid8181 said:
You didn't find any firmware according to your model on firmware finder??
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The issue that I don't know which firmware is the right one to upgrade, so shall I have to downgrade v4.4 and upgrade to another firmware of Lollipop and then upgrade to Marshmallow.
Thanks.
Mulham82 said:
The issue that I don't know which firmware is the right one to upgrade, so shall I have to downgrade v4.4 and upgrade to another firmware of Lollipop and then upgrade to Marshmallow.
Thanks.
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Yes..you should do exactly like that..
hassanjavaid8181 said:
Yes..you should do exactly like that..
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I see. may you tell me which firmware I should choose to downgrade to v4.4. Moreover, this step will delete everything or everything will stay as it is.
Thanks.
Mulham82 said:
I see. may you tell me which firmware I should choose to downgrade to v4.4. Moreover, this step will delete everything or everything will stay as it is.
Thanks.
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Try any KitKat firmware according to your model and build number...
Yes it will erase everything..

S6 Edge Live Demo Unit [G925X] Nougat and Custom ROMs

Hello
I have a nice Galaxy S6 Edge Live Demo Unit G925X
And i have a really important question.
Is able to install nougat and more custom roms with lollipop bootloader?
Or maybe anyone have nougat bootloader for this device?
Thanks for any reply.
There is no way to use a nougat ROM on a demo unit.
forumber2 said:
There is no way to use a nougat ROM on a demo unit.
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Even Marshmallow? Or official system update? nothing???
michalwinkdev said:
Even Marshmallow? Or official system update? nothing???
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Nothing. You can use it only with Lollipop.
forumber2 said:
Nothing. You can use it only with Lollipop.
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And i cant try to flash bootloader from SM-G925F?
forumber2 said:
Nothing. You can use it only with Lollipop.
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So, nougat los booted without any problems, but stock based roms dont want to work

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