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Flashing D6603 5.1.1 on D6616

Why can't we flash the D6603 pre-rooted XZDR 5.1.1 Rom on a rooted/recovery D6616? I thought the only thing stopping us before was that we did not have root or a custom recovery on the 6616, so we could not do it without losing DRM keys. Has that changed or not?

Because bricking your phone isn't fun

Right, I understand that there are risks involved. What I am trying to understand is what in particular creates those risks. Could you explain a little further why flashing a D6603 zip would brick the D6616?

I am curious about this as well.
I just recently got my Z3, which I had to unlock since I use AT&T. I now want to root and put 5.1 on it, but it seems like the T-Mobile one is so locked down. As far as I know about DRM keys I don't really care about them since I am not planning on using any Sony software (except maybe the camera software) If I could just put 5.1 on it, with a camera app that shoots RAW I would be happy.

What version do you have? We have root for the D6616 but that won't help us get 5.1 from what I can see. Best bet is to get the D6603 if that is what is most important to you.

lordunknown said:
What version do you have? We have root for the D6616 but that won't help us get 5.1 from what I can see. Best bet is to get the D6603 if that is what is most important to you.
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I have the D6616.... I guess I don't care so much about 5.1 as I do getting the best battery life possible. But it looks like custom roms are not available since the boatloader is locked?

dylan43270 said:
I have the D6616.... I guess I don't care so much about 5.1 as I do getting the best battery life possible. But it looks like custom roms are not available since the boatloader is locked?
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That's correct - we're limited to modifications of stock. But that makes me wonder why 5.1.1 wouldn't work.

lordunknown said:
What version do you have? We have root for the D6616 but that won't help us get 5.1 from what I can see. Best bet is to get the D6603 if that is what is most important to you.
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Click to collapse
I've been looking for a 5.1.1 for the D6616..... Prerooted.... No one has this yet? I am on 4.4.4 stock rooted ROM, and I have a flashable 5.0.1, but I see no reason to not want 5.1.1, so why do you say root on 5.1.1 isn't doable?

igotroot said:
I've been looking for a 5.1.1 for the D6616..... Prerooted.... No one has this yet? I am on 4.4.4 stock rooted ROM, and I have a flashable 5.0.1, but I see no reason to not want 5.1.1, so why do you say root on 5.1.1 isn't doable?
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It's not root that's not doable. There exist 5.1.1 prerooted zips for D6603. The issue is that 5.1.1 for the D6616 has not been released yet, hence it has not not been rooted.

lordunknown said:
It's not root that's not doable. There exist 5.1.1 prerooted zips for D6603. The issue is that 5.1.1 for the D6616 has not been released yet, hence it has not not been rooted.
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Ah, understood now. Thanks for clarifying.

Downgrading SM-G361F ( Samsung Galaxy Core Prime ) 5.1.1 to 4.4.4

Hi I want to downgrade my Samsung from 5.1.1 to 4.4.4 ( SM-G361F) , can any one give me a quick help, I am not new to this, so if someone can explain in a few steps.
Thanks in advance.

Pleas annyone?

Same here help us

equaLz said:
Pleas annyone?
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you canțt there is no 4.4 rom for 361f only for 360 variants. you are stuck to 5.1.1

Most newer Galaxy phones have an eFuse on the board that prevents downgrading the whole firmware. You might be able to use a custom KK rom, if one is available, but will not be able to downgrade with Odin and the official firmware/software package.

Cant Diwngrade
"There Is No Actuall Way Yet The Mother Board has a vChip that protects Maleware and untrusted files from overwriting the system . Finding one is no luck i took my into samsung store they swapped it for a 4.4.4 Samsung Galaxy Core Prime G361F i would just ask them" ¤☆》《
Also Its a Efuse
Thank you for taking time to read this

why would/do you want to downgrade?

So no way downgrading sm-g361f from 5.1.1 to 4.4.? We have chance install 6.0 to sm-g361f?

es0tericcha0s said:
Most newer Galaxy phones have an eFuse on the board that prevents downgrading the whole firmware. You might be able to use a custom KK rom, if one is available, but will not be able to downgrade with Odin and the official firmware/software package.
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it's because of that, that after i flashed a custom kernel a red "!" mark will be always at the top left of screen when phone is turning on? dose that means i did blow up the eFuse?

Would you know what lollipop firmeworks works on model SM-G360G, like 4G everything works ok here, vodaphone model. Sick of waiting for lollipop, or should i just wait....I noticed some people had used a Euro Firmware.

There Is Actually One Way But This Causes To Using A Different Model That Is Not The Same As You Android Device Or Changing Your Model To A Different One As The Same Phone As You Have But Having To Have 4.4.4 KitKat??

[Q] Downgrade from 5.1.1 to 5.0.1 on T-Mobile (SM-N915T) possible? Maybe even 4.4.4

Has anyone else downgraded from 5.1.1 to 5.0.1 or 4.4.4 on the T-Mobile variant? I have done some searching and I have seen that some people feel it may brick the phone. I have seen some go from 5.0.1 to 4.4.4, but not from 5.1.1. When I received my Edge it was already on 5.1.1 but the battery life is pretty awful and I am hoping for better results on 5.0.1.
I have already tripped KNOX and am running RiverRom if it matters.

Somebody posted an 'unlocked' 4.4.4 bootloader here recently and with that you should be able to downgrade to kitkat as poster claims. Take it from there.
Respect!
http://forum.xda-developers.com/showthread.php?t=3063928

electroblood said:
Has anyone else downgraded from 5.1.1 to 5.0.1 or 4.4.4 on the T-Mobile variant? I have done some searching and I have seen that some people feel it may brick the phone. I have seen some go from 5.0.1 to 4.4.4, but not from 5.1.1. When I received my Edge it was already on 5.1.1 but the battery life is pretty awful and I am hoping for better results on 5.0.1.
I have already tripped KNOX and am running RiverRom if it matters.
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Click to collapse
Sorry to ask a question instead of answering yours but I thought custom 5.1.1 ROMs were supposed to be better for battery life? I assume Riverrom is a custom 5.1.1 ROM. Aren't those supposed to be better?

Hyperdrive is now out based on COK2. I don't think it's possible to downgrade, but if you figure it out, let me know.

Downgrade will also help to use the Gear2
With the lolipop 5.1.1, second version, I can not use the Gearmanager to manange apps

Downgrade from 7.0 to 6.1.1 ? (G930 T)

Hi, someone can give me a tutorial to downgrade to marshmallow? I'm just getting back to android from iphone and I bought a second hand T-mobile galaxy s7 and I want to downgrade to 6.1.1

AngelxCasas said:
Hi, someone can give me a tutorial to downgrade to marshmallow? I'm just getting back to android from iphone and I bought a second hand T-mobile galaxy s7 and I want to downgrade to 6.1.1
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Click to collapse
US GS7-s have locked bootloaders, which means we're unable to downgrade until bootloader keys are leaked or T-Mobile unlocks it for us, which probably will never happen.

installerrev said:
US GS7-s have locked bootloaders, which means we're unable to downgrade until bootloader keys are leaked or T-Mobile unlocks it for us, which probably will never happen.
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I just downloaded the 6.0.1 image for g930T and flash it with ODIN and that's it, I'm on 6.0.1 again :d

Ya I have downgraded from 7.0 to 6.0.1 several times already with no problems. My issue is that Nougat rooted is very laggy so I been trying all sort of fixes like govtuner etc but it is still laggy
anyway, here is attached screenshot of how I downgrade quickly and easily on sm-g930t

suddene said:
Ya I have downgraded from 7.0 to 6.0.1 several times already with no problems. My issue is that Nougat rooted is very laggy so I been trying all sort of fixes like govtuner etc but it is still laggy
anyway, here is attached screenshot of how I downgrade quickly and easily on sm-g930t
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Click to collapse
I'm running on stock nougat and the phone is speedy, gets ok battery life and I'm really not missing root because I've found ways to make it do what I want. The only thing I miss is TB.

Galaxy s6 tmobile

So I know this is the wrong area but s6 forums are dead so I was hoping someone could answer a question here. What I wanted to know was that I am on nougat right now and I was thinking of installing a custom rom that was a lower android version. I am rooted and know all the steps to do it but was unsure if that would brick it by having a different version on it. And in case you wonder why it is because I wanted to use unlimited hotspot and have not found a way to do so with nougat but many ways to do it on older versions plus I could use foxfi. So please no bashing just a guy looking for answers is all. Thank you for your time.

Last thing I am on metro pcs but it is a tmobile version. I also do the stock 6.0 version to flash it

Anyone

Why don't you just try it if the worst comes to the worst just flash your latest Android version with Odin

downloaderbyproxy93 said:
Why don't you just try it if the worst comes to the worst just flash your latest Android version with Odin
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Wasn't sure if it could be reversed or not. Didn't want to end up with no phone

Smurfy76 said:
Wasn't sure if it could be reversed or not. Didn't want to end up with no phone
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Yeah it will just cause it to soft brick and as I said you can just flash your latest firmware for the s6 with Odin and sorry but I don't have any links

downloaderbyproxy93 said:
Yeah it will just cause it to soft brick and as I said you can just flash your latest firmware for the s6 with Odin and sorry but I don't have any links
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I have 7.0 firmware and I'm dl the 6.0 firmware now to try. I'm also going to back up my efs partition just in case. If all works I'll make wssd a thread so others can do the same if wanted as I didn't see anything posted