Downgrade firmware? - Xperia Z5 Premium Q&A, Help & Troubleshooting

Hello. I just moved to Z5 premium from N7100. It came with the latest firmware(.224). I read the thread about rooting Z5 premium and I saw something about "DRM keys". They said that the tool used to backup DRM keys called iovyroot is not working on the latest firmware. So, is there any ways to downgrade or should I just wait for the developer to update the tool?

Stained_s said:
Hello. I just moved to Z5 premium from N7100. It came with the latest firmware(.224). I read the thread about rooting Z5 premium and I saw something about "DRM keys". They said that the tool used to backup DRM keys called iovyroot is not working on the latest firmware. So, is there any ways to downgrade or should I just wait for the developer to update the tool?
Click to expand...
Click to collapse
You can use Flashtool for downgrading. Go check the iovyroot thread for further instructions.
Sent from my Z5 Premium using XDA Labs

Im also having a problem with downgrading my Z5P (E6853) when I flash with firmware .200 or .170 my phone just goes to endless looping. Flashing back to .244 or the latest version I got no problem. Did I miss any step to downgrade my Z5P. Im currently stuck to this part before I can unlock my bootloader and root my phone. Any help will do. Thanks!

pao008 said:
Im also having a problem with downgrading my Z5P (E6853) when I flash with firmware .200 or .170 my phone just goes to endless looping. Flashing back to .244 or the latest version I got no problem. Did I miss any step to downgrade my Z5P. Im currently stuck to this part before I can unlock my bootloader and root my phone. Any help will do. Thanks!
Click to expand...
Click to collapse
every have luck with this?

eqbirvin said:
every have luck with this?
Click to expand...
Click to collapse
As of now nope. Still using unroot Z5P.

pao008 said:
As of now nope. Still using unroot Z5P.
Click to expand...
Click to collapse
It worked for me by checking everything to be erased and EXCLUDING the modem flash. If you want to try, I suggest that.

eqbirvin said:
It worked for me by checking everything to be erased and EXCLUDING the modem flash. If you want to try, I suggest that.
Click to expand...
Click to collapse
Under my Include I check all and under the exclude I check system and partition only and also TA if available. Whats your settings and firmware you used to downgrade?

pao008 said:
Under my Include I check all and under the exclude I check system and partition only and also TA if available. Whats your settings and firmware you used to downgrade?
Click to expand...
Click to collapse
Thats interesting... I had a generic LAM device with .224 installed when i got it. I downgraded using a .200 NCB firmware that i found on xperia firmware website (oddly enough)
Why do you exclude system if you dont mind me asking?

eqbirvin said:
Thats interesting... I had a generic LAM device with .224 installed when i got it. I downgraded using a .200 NCB firmware that i found on xperia firmware website (oddly enough)
Why do you exclude system if you dont mind me asking?
Click to expand...
Click to collapse
I came from a Xperia Z2 phone there is guide I follow and system and partition is check under exclude. If you think that my settings are wrong let me know yours and I'll try using your settings. Thanks!

pao008 said:
I came from a Xperia Z2 phone there is guide I follow and system and partition is check under exclude. If you think that my settings are wrong let me know yours and I'll try using your settings. Thanks!
Click to expand...
Click to collapse
Ahhh i gotcha! Well I did the same as you under include (checked all) but under exclude i left everything unchecked other than "modem" that worked for me!

eqbirvin said:
Ahhh i gotcha! Well I did the same as you under include (checked all) but under exclude i left everything unchecked other than "modem" that worked for me!
Click to expand...
Click to collapse
Oh I see maybe thats the problem. I'll try it later. I'll let you know how it turns out. Thanks again!

pao008 said:
Oh I see maybe thats the problem. I'll try it later. I'll let you know how it turns out. Thanks again!
Click to expand...
Click to collapse
Alrighty! Yeah just let me know how it goes. Youre welcome! Ive noticed its difficult to find people on the same page on the z5p forum haha

eqbirvin said:
Alrighty! Yeah just let me know how it goes. Youre welcome! Ive noticed its difficult to find people on the same page on the z5p forum haha
Click to expand...
Click to collapse
Hey eqbirvin It works finally! I manage to downgrade successfully and proceed with the rooting process. Now my Z5P is rooted without a problem. Thank you very much for your help :good:

pao008 said:
Hey eqbirvin It works finally! I manage to downgrade successfully and proceed with the rooting process. Now my Z5P is rooted without a problem. Thank you very much for your help :good:
Click to expand...
Click to collapse
That's great news! I'm glad to hear it! happy I could help. Make sure you get those DRM keys backed up if you want them haha

Related

Regarding the r800at

I currently have the AT&T (r800at) version of the xperia play and unfortunately I updated it to the new 285 version so it won't let me root. Is there a way I can fix this and root. Also is there any good roms where I don't have to unlock the boot loader?
Bump. Can someone help me?
Did you try flashing back to 270? As far as I know you can't root on 285 so if you want root your stuck at 270.
baari21 said:
Did you try flashing back to 270? As far as I know you can't root on 285 so if you want root your stuck at 270.
Click to expand...
Click to collapse
Where can I find the flashing tool and the patch?
Here is the latest AT&T version:
http://www.mediafire.com/download.php?6v7ybyyik6g3si4
look for flashtool to flash it.
I had the same problem and was able to downgrade with flashtool and root after that. Well, at least my husband did it for me. I shouldn't take the credit.
Sent from my R800at using xda app-developers app
benc1213 said:
Where can I find the flashing tool and the patch?
Click to expand...
Click to collapse
Spectre51 posted the link there. Thank btw. Did you get through? Let me know if you need any help.
baari21 said:
Spectre51 posted the link there. Thank btw. Did you get through? Let me know if you need any help.
Click to expand...
Click to collapse
Yeah I got it and already flashed Gin2Jellybean on it too. Thanks anyways.

Any way to get BE back?!!

Hi guys:
I have an Xperia Ion unlocked bootloader , i didn't do TA backup so i lost my DRM key.
Any way to get the Bravia Engine back again?
The $niper said:
Hi guys:
I have an Xperia Ion unlocked bootloader , i didn't do TA backup so i lost my DRM key.
Any way to get the Bravia Engine back again?
Click to expand...
Click to collapse
Hi Sniper.
Actually if you flash any, Relock File For Your Xperia With TA partition ticked while flashing.
It will get you DRM keys back.
I have tested it myself on my Xperia.
And Everything is working for me.
You can try as well.
I hope this information seems helpful to you,
Greetings,
~Dwarkesh Soren
dwarkesh2492 said:
Hi Sniper.
Actually if you flash any, Relock File For Your Xperia With TA partition ticked while flashing.
It will get you DRM keys back.
I have tested it myself on my Xperia.
And Everything is working for me.
You can try as well.
I hope this information seems helpful to you,
Greetings,
~Dwarkesh Soren
Click to expand...
Click to collapse
Hi noob
I didn't understand you very well.
I have a relock.ftf that can relock my bootloader but they told me it will not get the BE back because i lost my DRM.
The $niper said:
Hi noob
I didn't understand you very well.
I have a relock.ftf that can relock my bootloader but they told me it will not get the BE back because i lost my DRM.
Click to expand...
Click to collapse
Hello @THE $niper,
First off all,
After the Relock and retrieval of TA partition from Stock Clean ftf
My Track ID, Bravia Engine, And All The Services From Sony Works.
If Its still hard for you to understand I'd try to make it more simple for you.
I hope this information helps you in some way, basically its just backing up the TA partition.
I hope you understand now?
Reagrds,
~Dwarkesh Soren :good:
There's a guided topic on how to get BE back here on xda
Sent from my LT26i using xda app-developers app
i thought the drm keys are linked to the specific handset, so i don't think that relocking and flashing a generic ftf will get your drm keys back?
::EDIT::
having said this, i'm sure i read somewhere recently that the JB firmware's don't need drm keys for things like music info/BE/track id etc to work? I honestly can;t rememebr which thread i was reading this in though, sorry :\
dwarkesh2492 said:
Hello @THE $niper,
First off all,
After the Relock and retrieval of TA partition from Stock Clean ftf
My Track ID, Bravia Engine, And All The Services From Sony Works.
If Its still hard for you to understand I'd try to make it more simple for you.
I hope this information helps you in some way, basically its just backing up the TA partition.
I hope you understand now?
Reagrds,
~Dwarkesh Soren :good:
Click to expand...
Click to collapse
So you mean i have to flash the relock.ftf then install stock ICS with Flashtool and the BE will get back to work??!
zaidx said:
There's a guided topic on how to get BE back here on xda
Sent from my LT26i using xda app-developers app
Click to expand...
Click to collapse
Where?
Gloris said:
i thought the drm keys are linked to the specific handset, so i don't think that relocking and flashing a generic ftf will get your drm keys back?
::EDIT::
having said this, i'm sure i read somewhere recently that the JB firmware's don't need drm keys for things like music info/BE/track id etc to work? I honestly can;t rememebr which thread i was reading this in though, sorry :\
Click to expand...
Click to collapse
I have LEAK 4.1.2 and the BE is not working.
The $niper said:
So you mean i have to flash the relock.ftf then install stock ICS with Flashtool and the BE will get back to work??!
First of All Since You have Unlocked Your Bootloader Already I dont think you can recover your DRM keys from TA partition
What you can do now?
1. FLash Stock (Exclude TA prtition)
2. Flash Relock (Include TA partition)
3. Update JB via PCC or SUS
4. Your phone will have working BE, XLoud, Track id and all Sony Enhancements.
Guide from where I got back DRM ----> HERE
Click to expand...
Click to collapse
dwarkesh2492 said:
The $niper said:
So you mean i have to flash the relock.ftf then install stock ICS with Flashtool and the BE will get back to work??!
First of All Since You have Unlocked Your Bootloader Already I dont think you can recover your DRM keys from TA partition
What you can do now?
1. FLash Stock (Exclude TA prtition)
2. Flash Relock (Include TA partition)
3. Update JB via PCC or SUS
4. Your phone will have working BE, XLoud, Track id and all Sony Enhancements.
Guide from where I got back DRM ----> HERE
Click to expand...
Click to collapse
I saw that last thread but i didn't do backup TA before unlock.
in number 2 i have relock.ftf that include "loader.sin" and "preset.ta" So is that inogh? and after updating i will got all of it working?
Click to expand...
Click to collapse
The $niper said:
dwarkesh2492 said:
I saw that last thread but i didn't do backup TA before unlock.
in number 2 i have relock.ftf that include "loader.sin" and "preset.ta" So is that inogh? and after updating i will got all of it working?
Click to expand...
Click to collapse
After updating the ICS.
Update to JB via PCC or SUS
And You Are Done! :good:
Click to expand...
Click to collapse
dwarkesh2492 said:
The $niper said:
After updating the ICS.
Update to JB via PCC or SUS
And You Are Done! :good:
Click to expand...
Click to collapse
Thanks for guide , i will try that.
Click to expand...
Click to collapse

[Q] Stuck at this

Please help, i'm trying to root, but i stuck here , and nothing happened
ravirvp said:
Please help, i'm trying to root, but i stuck here , and nothing happened
Click to expand...
Click to collapse
Which build are you trying to root with this method. If you are on FW 244, this will not work. I think it was a root method for 4.1.2 (cant remember which build) and not 4.2.2
On 244, you need to flash the Kernel of FW. 423, root using DoomLord's latest tool and flash the Kernel back to FW. 244.
ravirvp said:
Please help, i'm trying to root, but i stuck here , and nothing happened
Click to expand...
Click to collapse
What's the firmware of your device? I can make a little tuto for you.
Hmm, I had put the xda links of everything needed to root. I didn't know it was an illegal thing to do on the forum. Half my post got deleted.
Crash338 said:
Hmm, I had put the xda links of everything needed to root. I didn't know it was an illegal thing to do on the forum. Half my post got deleted.
Click to expand...
Click to collapse
Oh damn, well, you know about flashtools?
viniciusnc said:
Oh damn, well, you know about flashtools?
Click to expand...
Click to collapse
what about flashtools, they are considered illegal or something?
I had a link pointing to the 423 and 244 FTF and the xda thread from DoomLord where the root tool can be found.

[Q] Info about my first smartphone

Today I bought my first smartphone...a brand new Sony xperia z1 compact.
I bought it from Telstra shop(in Australia). I read different topics and I have some questions...
I wonder if (without rooting)I can have the mobile without all the Telstra stuff and apps.
The phone comes with Android 4.3 and In Australia is not aviable the update to Kitkat,is possible change the Australian firmware to an European one without rooting?
I’m a bit confused for what to do...
Thanks in Advance.
LiOn_23 said:
I wonder if (without rooting)I can have the mobile without all the Telstra stuff and apps.
The phone comes with Android 4.3 and In Australia is not aviable the update to Kitkat,is possible change the Australian firmware to an European one without rooting?
Click to expand...
Click to collapse
Flash a stock ftf which will debrand the device and update it too. http://forum.xda-developers.com/showthread.php?t=2631291
XperienceD said:
Flash a stock ftf which will debrand the device and update it too. http://forum.xda-developers.com/showthread.php?t=2631291
Click to expand...
Click to collapse
If I understood correctly I can't use the Flash tool for Xperia because Sony doesn’t support the D5503.
If I use the Flashtool can I have android 4.3 ver 14.2.A.142(no brand,stock version)?
If yes where I can get it?
Thanks a lot.
LiOn_23 said:
If I use the Flashtool can I have android 4.3 ver 14.2.A.142(no brand,stock version)?
If yes where I can get it?
Click to expand...
Click to collapse
Yes, and everything you need is in the link I posted.
XperienceD said:
Yes, and everything you need is in the link I posted.
Click to expand...
Click to collapse
Ok...after flashing the mobile with the stock rom I can still get updates from my mobile carrier...if I install the update I will have android with the operator logo and apps?
If yes there is an “official way” (Sony) that allows to get updates without operators stuff?
Thanks for your help.
LiOn_23 said:
Ok...after flashing the mobile with the stock rom I can still get updates from my mobile carrier...if I install the update I will have android with the operator logo and apps?
If yes there is an “official way” (Sony) that allows to get updates without operators stuff?
Thanks for your help.
Click to expand...
Click to collapse
If you're debranding the device then it's not tied to a carrier, but you should still be able to update when it's released for the ROM you flash through PC Companion, although Many People just flash an ftf from here when updating.
Sent from the app on my Z1C...
XperienceD said:
If you're debranding the device then it's not tied to a carrier, but you should still be able to update when it's released for the ROM you flash through PC Companion, although Many People just flash an ftf from here when updating.
Sent from the app on my Z1C...
Click to expand...
Click to collapse
Ok. I have another question (I read the guide you sent to me)...can you suggest me a good (if is possible easy and secure) way to back up my current device...so if I make some mistakes I can get the mobile "brand new".
Thanks.
LiOn_23 said:
Ok. I have another question (I read the guide you sent to me)...can you suggest me a good (if is possible easy and secure) way to back up my current device...so if I make some mistakes I can get the mobile "brand new".
Thanks.
Click to expand...
Click to collapse
You could try and make an ftf to reflash if no one has uploaded one but that won't back up your Phone as it is now, you'll need root and CWM for that. Flash an unbranded ftf and never look back.
Sent from the app on my Z1C...
XperienceD said:
You could try and make an ftf to reflash if no one has uploaded one but that won't back up your Phone as it is now, you'll need root and CWM for that. Flash an unbranded ftf and never look back.
Sent from the app on my Z1C...
Click to expand...
Click to collapse
Flashing will not will void the warranty?Right?
LiOn_23 said:
Flashing will not will void the warranty?Right?
Click to expand...
Click to collapse
Depends how Sony views it if something goes wrong, but if stuff like that bothers you, why sign up to a site like xda in the first place.
Sent from the app on my Z1C...
XperienceD said:
Depends how Sony views it if something goes wrong, but if stuff like that bothers you, why sign up to a site like xda in the first place.
Sent from the app on my Z1C...
Click to expand...
Click to collapse
Ok thank you.

Anyone can downgrade Note 5 N920A PH4 to 5.1.1

same title i want question have anyone can be downgrade Note 5 N920A running 6.0.1 PH4 to 5.1.1 with stock rom
Thank you
You can go to OGG if you wanted to.
TechNyne66 said:
You can go to OGG if you wanted to.
Click to expand...
Click to collapse
How?
Kundinga said:
How?
Click to expand...
Click to collapse
There's a search function for a reason and the devs on here don't have time to just hold your hand and walk you through everything you have to be willing to help yourself and learn how to do things on your own and then if you have a problem or run into trouble then ask for assistance but don't ask to have your hand held through it all.. Learn about what Odin is and stock roms And a few other things in order to accomplish a downgrade..
MrMike2182 said:
There's a search function for a reason and the devs on here don't have time to just hold your hand and walk you through everything you have to be willing to help yourself and learn how to do things on your own and then if you have a problem or run into trouble then ask for assistance but don't ask to have your hand held through it all.. Learn about what Odin is and stock roms Anda few other things in order to accomplish a downgrade..
Click to expand...
Click to collapse
HI Mr Mike, if you use the search function you will see I have already tried to downgrade, but not successfully I'm still searching a solution for downgrading
Kundinga said:
HI Mr Mike, if you use the search function you will see I have already tried to downgrade, but not successfully I'm still searching a solution for downgrading
Click to expand...
Click to collapse
The search function doesn't tell me what you tried to do.. I already wrote a tutorial on how to downgrade successfully. Since I don't know what you've tried so far there's nothing I can do right now to help you.
MrMike2182 said:
The search function doesn't tell me what you tried to do.. I already wrote a tutorial on how to downgrade successfully. Since I don't know what you've tried so far there's nothing I can do right now to help you.
Click to expand...
Click to collapse
Can you please link me your post? Will be a very good thing for simplify the job to me and other users, maybe
Kundinga said:
Can you please link me your post? Will be a very good thing for simplify the job to me and other users, maybe
Click to expand...
Click to collapse
Here you go.. Make sure you substitute the Verizon firmware for the AT&T firmware as @TechNyne66 said, the OGG firmware.. As long as it's firmware from AT&T you should be good to go.. However if it still errors out and doesn't work that means they (AT&T) have blocked it and you'll have to enter into recovery and select full system restore in order to fix it and get it back to where it is right now.. I'd first make a backup if I were you!!
Link to downgrade tutorial.
http://forum.xda-developers.com/ver.../downgrade-to-lollipop-5-1-1-verizon-t3368250
MrMike2182 said:
Here you go.. Make sure you substitute the Verizon firmware for the AT&T firmware as @TechNyne66 said, the OGG firmware.. As long as it's firmware from AT&T you should be good to go.. However if it still errors out and doesn't work that means they (AT&T) have blocked it and you'll have to enter into recovery and select full system restore in order to fix it and get it back to where it is right now.. I'd first make a backup if I were you!!
Link to downgrade tutorial.
http://forum.xda-developers.com/ver.../downgrade-to-lollipop-5-1-1-verizon-t3368250
Click to expand...
Click to collapse
Kundinga said:
HI Mr Mike, if you use the search function you will see I have already tried to downgrade, but not successfully I'm still searching a solution for downgrading
Click to expand...
Click to collapse
Use PB2 ODIN file. It's the best 5.1.1 firmware.
I did it using only ap and csc files
So it worked for you?
TechNyne66 said:
Use PB2 ODIN file. It's the best 5.1.1 firmware.
Click to expand...
Click to collapse
I will try... for the third time hahahahah
EddiePR said:
I did it using only ap and csc files
Click to expand...
Click to collapse
Tell me how!!!! i'm in bph4 now and can't back to pb2 or ogg......... Damn!
Kundinga said:
Tell me how!!!! i'm in bph4 now and can't back to pb2 or ogg......... Damn!
Click to expand...
Click to collapse
check this post. http://forum.xda-developers.com/att-galaxy-note5/general/root-t3414622
TechNyne66 said:
You can go to OGG if you wanted to.
Click to expand...
Click to collapse
help me, i can't find OGG rom ?
does anyone have the PB2 STOCK FIRMWARE available for download?
i am on QB2 Feb. 1 security patch wanting to downgrade to pb2 but unable to locate one. actually i located one but it fail when flash in ODIN. i used the latest odin. also tried jesterhacked odin and also failed..
If you are past the the PH4 update this is not the thread for you.
If you are still on PH4, stop trying to downgrade your bootloader, unless you are flashing a Binary 3 bootloader.
All of this has been explained within this forum. Check my profile and go to my posts. I've already wrote it all up two or three times...
Sent from my Galaxy Note5 using XDA Labs
did you downgraded?
Mr Hassan said:
did you downgraded?
Click to expand...
Click to collapse
Yes I did. Please Check these threads:
Downgrade ROM on Binary 3 Bootloader
Injecting Root - Greyhat Root Project
Sent from my Galaxy Note5 using XDA Labs

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