Develop Bugs

question

my question is do i have to unlock the bootloader to install a custom kernel?? i have the xperia play r800at running the clockwork mod v5.0.0.2 with a recovery installed

Is it the r800x or the r800i. Regardless, the bootloader must be unlocked. The phone version just decides if it is possible or not
Sent from my R800x using XDA

its the r800at so how do i know which roms will work i really dont want to brick it that would suck lol

There are really good roms out there that cannot brick your phone. Anyway if it does brick u can always fix it yourself. The rom totally depends on what u what. Speed, looks,etc.
Sent from my R800x using XDA

You need to take out the battery and look for a "R800_" the blank being a letter like x,i, or c. If you don't want to unlock the bootloader try the darkforest rom
http://darkforestgroup.com/forum/index.php/topic,11307.0.html
The COLA rom is really fast but simplistic and the market is incompatible at this point with google play being released
http://forum.xda-developers.com/showthread.php?t=1442557
The IT-rom is based upon COLA so it is blazingly fast but inherently has the out of date market.
http://forum.xda-developers.com/showthread.php?t=1459456
If wifi doesn't work on any rom, flash the stock wifi modules.
If the phone gets stuck on the sony ericssion boot logo, use SEUS to restore to stock everything
DETAILED INSTRUCTIONS FOR COLA AND IT-ROM
http://forum.xda-developers.com/showthread.php?t=1439474
Cheers
Sent from my R800x using XDA
Press thanks if I have helped you

Also none of those require a custom kernel and are well built on the stock kernel. If you need any links, let me know
Cheers
Sent from my R800x using XDA

wow thanks guys well apreciated kinda new to all of this but im getting there i tried searching around to unlock bootloader that will be a challange .... since my imei is 15 characters long ... ill try the roms listed and letcha know what happens lol

bricked im thinking stuck on sony ericsson screen help lol wont update thru sony companion phone wont detect

masonraus said:
You need to take out the battery and look for a "R800_" the blank being a letter like x,i, or c. If you don't want to unlock the bootloader try the darkforest rom
http://darkforestgroup.com/forum/index.php/topic,11307.0.html
The COLA rom is really fast but simplistic and the market is incompatible at this point with google play being released
http://forum.xda-developers.com/showthread.php?t=1442557
The IT-rom is based upon COLA so it is blazingly fast but inherently has the out of date market.
http://forum.xda-developers.com/showthread.php?t=1459456
If wifi doesn't work on any rom, flash the stock wifi modules.
If the phone gets stuck on the sony ericssion boot logo, use SEUS to restore to stock everything
DETAILED INSTRUCTIONS FOR COLA AND IT-ROM
http://forum.xda-developers.com/showthread.php?t=1439474
Cheers
Sent from my R800x using XDA
Press thanks if I have helped you
Click to expand...
Click to collapse
is darkforest the only rom wihtout the need to unlock bl?
how can we install? (sry im quite new and want to add it to the wiki)

sportstj11 said:
bricked im thinking stuck on sony ericsson screen help lol wont update thru sony companion phone wont detect
Click to expand...
Click to collapse
Ah the delightful soft brick. To fix download this http://www.softpedia.com/get/Mobile-Phone-Tools/Sony-Ericsson/Update-Service.shtml and follow the instructions to update given after install.
After following the instructions to "update" your phone; use the zergrush root method http://forum.xda-developers.com/showthread.php?t=1321582 to re root, reboot, install this apkhttp://www.google.com/m/url?ei=aW1f...kQFjAA&usg=AFQjCNFpwILPy8Rr-eZVSBJ8hrxtAyACAA, and run it to re install CWM.
Your apps should be there but if not:
Reboot into CWM and flash the nandroid I hope you made before doing ANYTHING. If you didn't make a nandroid, restore a titanium backup or start re downloading the apps you had installed.
After your done, backup your apps with titanium backup and make a nandroid backup as well.
Also I'm curious to what rom you tried to flash and the settings you uses when flashing as I might be able to help you flash it correctly.
Cheers
Sent from my R800x using XDA

welll thanx for the info im thinking since im a noob at this i tried to install 3.0.5 darkforest rom but it might have been the wrong one becuz there was a 3.1.0 as well im i wiped sd card before installing rom too i waited about 30 mins for phone to boot but wouldnt boot at all

well darforest 3.0.5 is what i installed but i may have confused it with the 3.1.0 too grrrrrr also you said to take out battery and search R800 well i tried that and it wouldnt work grrr

Make sure you got the darkforest 3.0.5. You can get it OTA here. Also make sure ypu untick the options that say GSM only and also untick the option that says "format /system"
Type this into the dialer: *#06#*
If it comes back with a MEID you have a R800x. If it comes back with a IMED you have a R800i. Also if you are on Verizion in the US then you have a R800x
Cheers
Sent from my R800x using XDA

masonraus said:
You can get it OTA here.
Click to expand...
Click to collapse
Forgot the link here you go
http://icxperia.com/keiran/keiran/dfrotaplay.apk
Cheers
Sent from my R800x using XDA

FrEcP said:
is darkforest the only rom wihtout the need to unlock bl?
how can we install? (sry im quite new and want to add it to the wiki)
Click to expand...
Click to collapse
All of these don't need the unlocked bootloader. COLA and IT-ROM are nandroid backups that must be placed in the folder /sdcard/clockworkmod/backup. The downloaded files need to be extracted into seperate folders. Eg: .../backup/cola6 or .../backup/IT-ROM. The files can be flashed through the recovery option in CWM.
As for darkforest rom, it needs to be downloaded, and the zip file must be put into the root of the sdcard. From there it can be flashed through the option in CWM to select a zip file to flash.
Darkforest rom also uses the AROMA installer (touch screen capible rom installer) which is fantastic because it makes installing and selecting instalation options incredibly easy.
Also what is this wiki? I would love a link to this.
Cheers
Sent from my R800x using XDA
Don't forget to press thanks if I have helped you

ok well it comes baclk as imei so that means what? lol ok i got all that reformatted my sd card rooted with super one click installed recovery cwm 5.0.2.7 now ill make sure to wipe the sd card before installing rom i went back and all my apps and all were still on the sd card which tells me it didnt wipe correctly btw this phone is us from att

wiki has instructions how to do it all which i think is a great idea here on this awesome site if its possible and all ya know is that arma installer on the market or was that the link u sent me?

sportstj11 said:
wiki has instructions how to do it all which i think is a great idea here on this awesome site if its possible and all ya know is that arma installer on the market or was that the link u sent me?
Click to expand...
Click to collapse
Aroma installer is in the darkforest rom zip. It was that installer wen you flashed it.
Okay the imei means you could unlock your bootloader if you wanted to. It also means you have the r800i.
To flash darkforest rom, download it via darkforest ota (see previous post), move it to the root of the sdcard with astro or es file manager. DO NOT UNZIP! Go into CWM, wipe the cache partition, then find the darkforest rom zip,and flash it. When the installer comes up, UNTICK the option that says "format /system" then press install. After it is finished SAVE THE LOGS. Then try rebooting and tell me what happened
Cheers
Sent from my R800x using XDA

ok kool ill do that now and im glad i have the r800i now i know a lil bit

Yeah us R800x users have to pay to have our bootloader unlocked and the dev has to be on.his computer to do it. Oh well.
Let me know how flashing goes incase something pops up that's bad.
Also the sony ericsson logo that pops up that has the green thing above it is the boot animation. It will be there for like 5 min. It just takes forever on the first boot for some reason.
Cheers
Sent from my R800x using XDA

[Guide]Rooting Xperia S ICS and GB (Locked Bootloaders) (Easier new method with CWM)

This tutorial will show you how to root your xperia s
Make Sure You are on gingerbread stock rom
ROOT TOOLKIT http://www.mediafire.com/?o1v2o6afuoc1w33
(1) Application Settings: [Unknown sources] checked {Allowed}
(2) Application Settings: Development [USB debugging] checked {Allowed}
(3) Application Settings: Development [Stay awake] checked {Allowed}
(4) Settings -> Display settings [Screen timeout] Set to 30 minutes
*If your screen goes off just once then you won’t be able to return to the installation properly. Very important!!
Please think about your battery and try to keep the display brightness to a minimum.
(5) Please use a regular picture for the background. Do not use the default live wallpaper.
(6) Charge the Xperia S’s battery to 80%.
(7) Use the Generic CH (1257-3740) XPERIA S LT26i ROM (6.1.A.0.452).
Can be found here along with the latest FLASTOOL link: http://www.xdafileserver.nl/index.php?dir=Sony+(Ericsson)/SE+Xperia+S+(LT26i)/STOCK+ROMS
(8) Net framework 3.5 or later
(9) Gingerbread part 1 http://www.mediafire.com/download.php?004x3fnftr32135 part 2 http://www.mediafire.com/download.php?23e963o6a8dq8rg
[Installation Process]
(1) Flash Gingerbread firmware wiping data and cache only if you are not on gingerbread
(2) Run Step 1.bat
(3) Install ICE CREAM SANDWICH without wiping anything
(4) Run step 2.bat
To enter CWM recovery you have to tap on sony logo at start few times.
If it does not root properly first time run it again
Thanks to Bin4ry for the files

So this is root without unlocked bootloader?

Yes it will root locked bootloader's.

work with sola?

manwlis77 said:
work with sola?
Click to expand...
Click to collapse
Not tried it as i don't have the handset.

Sharaz22 said:
Yes it will root locked bootloader's.
Click to expand...
Click to collapse
Someone needs to test this (I'm already unlocked/rooted) and if it works, then this needs to be stickied!
Big step forward for the community

ok thanks you!!
Sharaz22 said:
Not tried it as i don't have the handset.
Click to expand...
Click to collapse

fNOOB said:
Someone needs to test this (I'm already unlocked/rooted) and if it works, then this needs to be stickied!
Big step forward for the community
Click to expand...
Click to collapse
This Works i tried it on mine as i am the unlucky one who cannot unlock bootloader:crying:

Sharaz22 said:
This Works i tried it on mine as i am the unlucky one who cannot unlock bootloader:crying:
Click to expand...
Click to collapse
So you can install Superuser and update binaries?

fNOOB said:
So you can install Superuser and update binaries?
Click to expand...
Click to collapse
Yes i have full root only need CWM Recovery Now

Is it possible to unroot ICS after rooting using u r method ?

pradeep19922 said:
Is it possible to unroot ICS after rooting using u r method ?
Click to expand...
Click to collapse
No.

Sharaz22 said:
No.
Click to expand...
Click to collapse
but flashing back the STOCK ICS rom again should make the mobile unrooted know ?

We need something look a like for xperia U... :laugh:

already i flashed my mobile with Generic CH (1257-3740) XPERIA S LT26i ROM (6.1.A.0.452). few weeks back with my locked bootloader should i reflash again to root my mobile ?

pradeep19922 said:
but flashing back the STOCK ICS rom again should make the mobile unrooted know ?
Click to expand...
Click to collapse
No because you are not wiping data so the file needed to root won't be deleted
pradeep19922 said:
already i flashed my mobile with Generic CH (1257-3740) XPERIA S LT26i ROM (6.1.A.0.452). few weeks back with my locked bootloader should i reflash again to root my mobile ?
Click to expand...
Click to collapse
You need to be on gingerbread rom at start so you need to install gingerbread first then install ice cream sandwich afterwards.

It's quite complicated procedure...
Just want some technical explanations before trying.
Flash Gingerbread
Upload the /data/local.prop ICS tricks
Back to ICS without wiping data, so those tricks could be kept
Play the tricks in ICS
Got pwned
Am I right?

imTigger said:
It's quite complicated procedure...
Just want some technical explanations before trying.
Flash Gingerbread
Upload the /data/local.prop ICS tricks
Back to ICS without wiping data, so those tricks could be kept
Play the tricks in ICS
Got pwned
Am I right?
Click to expand...
Click to collapse
Yes you are right.

Hi Sharaz22 !
This root is permanent ? Dont be wipe more ?
My bootloader is unlocked...i will go relock.
Thanks for this guide.

joaonds said:
Hi Sharaz22 !
This root is permanent ? Dont be wipe more ?
My bootloader is unlocked...i will go relock.
Thanks for this guide.
Click to expand...
Click to collapse
Root will be gone if you wipe.

Bricked ARC S

So I have managed to brick my phone...my fault really as I don't know much about custom roms and I've tried to use god knows which kernel with jelly sandwich mod. I can get into fastboot and flashtool still though, just not into cwm. Can anyone PLEASE tell me what to do, step by step? Where can I get stock kernel (if this is what I need) and what should I do? Please, I need phone for the weekend and don't have a spare one...
thanks in advance guys!

Spricar said:
So I have managed to brick my phone...my fault really as I don't know much about custom roms and I've tried to use god knows which kernel with jelly sandwich mod. I can get into fastboot and flashtool still though, just not into cwm. Can anyone PLEASE tell me what to do, step by step? Where can I get stock kernel (if this is what I need) and what should I do? Please, I need phone for the weekend and don't have a spare one...
thanks in advance guys!
Click to expand...
Click to collapse
wrong thread mate :silly:

And when you can't enter into CWM this doesn't mean that you brick your phone.
Sent from public phone

Vaith said:
And when you can't enter into CWM this doesn't mean that you brick your phone.
Sent from public phone
Click to expand...
Click to collapse
Well the phone stops at the SONY logo and I can't enter CWM to restore my old ROM. Any idea what to do? Please...?

Use Flashtool to flash some other Kernel (Like SEGA), than you should be able to enter cwm and Restore Files.
Hope i helped ^^

ShockBuddy said:
Use Flashtool to flash some other Kernel (Like SEGA), than you should be able to enter cwm and Restore Files.
Hope i helped ^^
Click to expand...
Click to collapse
I've already tried to flash with flashtool, the problem is, I don't know which Kernel I should use. Any link to the right one that will work?

KTG anzu is also good for stuff like that

ShockBuddy said:
KTG anzu is also good for stuff like that
Click to expand...
Click to collapse
hm...using SEGA seems to do the trick as I'm finally able to enter CWM. THANKS man!!!!!!! Which roms are compatible with it BTW?

Yes - flash KTG kernel http://forum.xda-developers.com/showthread.php?t=1647665
This is no bricked phone no stress
Turn you phone in fastboot mode
Select kernel ktg its .elf but its working
Done

leo_nidas said:
Yes - flash KTG kernel http://forum.xda-developers.com/showthread.php?t=1647665
This is no bricked phone no stress
Turn you phone in fastboot mode
Select kernel ktg its .elf but its working
Done
Click to expand...
Click to collapse
Thanks! I've already tried with sega and managed to get into CWM, now restoring ROM from a backup. Will try ktg, if this doesn't work...

All Roms exept. CM10 and some MIUI Versions are working on it (Sony Stock Based)
Jelly Sandwich and Xperia HD are the ones i would use.
Glad it worked ^^

Great, it worked with sega kernel! Thanks for quick responses and your help! BTW, is segav9 kernel good or is this some emergency only kernel? I'm sorry if I sound silly but I really do not know what kernel does actually. Can I load some good rom if I'm on it or should I flash some other kernel now that my phone is OK?

SEGA should be good enought, im using it too!
But you can try other Stock Based Kernels if you want.
Dont forget to Flash drivers for WLAN ^^

ShockBuddy said:
SEGA should be good enought, im using it too!
But you can try other Stock Based Kernels if you want.
Dont forget to Flash drivers for WLAN ^^
Click to expand...
Click to collapse
hm...I should flash those drivers with fastboot too. Sorry for asking but don't wanna make a mess again

The Drivers are Flashed with CWM, its always a .zip file!
That works without Problems, trust me

Spricar said:
So I have managed to brick my phone...my fault really as I don't know much about custom roms and I've tried to use god knows which kernel with jelly sandwich mod. I can get into fastboot and flashtool still though, just not into cwm. Can anyone PLEASE tell me what to do, step by step? Where can I get stock kernel (if this is what I need) and what should I do? Please, I need phone for the weekend and don't have a spare one...
thanks in advance guys!
Click to expand...
Click to collapse
When u can seen sony logo then ur phone is not bricked..
Remove ur battery, reinsert and switch on ur mobile
When u see Sony logo wait till the notification LED turns on
Once notification LED is turned on then press all the 3 hardware button (Back, Home & Menu) together..
Now u will be able to enter CWM screen..

ShockBuddy said:
The Drivers are Flashed with CWM, its always a .zip file!
That works without Problems, trust me
Click to expand...
Click to collapse
And by drivers you mean jelly 8.1 update or is there some kernel update too?
Damn, i'm such a noob

Spricar said:
And by drivers you mean jelly 8.1 update or is there some kernel update too?
Damn, i'm such a noob
Click to expand...
Click to collapse
Use the "WIFI DRIVERS" from the Kernel Thread and Flash it, if you use a Kernel that has no Drivers, you probaly can use any Driver.
Also, i dont recommend to install this 8.1 Thingy, i had much Problems with it ^^

ShockBuddy said:
Use the "WIFI DRIVERS" from the Kernel Thread and Flash it, if you use a Kernel that has no Drivers, you probaly can use any Driver.
Also, i dont recommend to install this 8.1 Thingy, i had much Problems with it ^^
Click to expand...
Click to collapse
Thanks man, will try this out when i got home...thanks for help, hope i won't bug you any more

Spricar said:
Thanks man, will try this out when i got home...thanks for help, hope i won't bug you any more
Click to expand...
Click to collapse
Haha, no problem, i like to help :3

[Q] [Help!] Stuck on sony logo and cannot boot into CWM

I couldn't find any threads that are helpful to me.. so i had to post a new one.
I have a Xperia arc with lock bootloader. I flashed the lt18i 4.1.B.0.587 one day and installed Xperia Ultimate HD. I decided to go back to stock rom because UHD didn't have the features I expected.. so i flashed the lt18i ftf again via flashtool.i rooted it and installed CWM. Everything works fine.
Then i tried to restore a backup that was made before i flashed lt18i firmware.( my phone was on lt15i 0.587 stock rom at that time)
I tried to restore it on LT18i firmware to have more free space and it actually succeeded. But when i reboot it to homescreen it's just keep saying "keypad force close". i thought it was because the backup was based on lt15i firmware and it's not compatible with 18i firmware...
so i flashed lt15i .587 firmware but i exclude system because i still wanted to have 420MB space and i thought i should do it in this way ( i didn't know if it works or not) unfortunately, i was wrong and the phone stuck on sony logo.
the story hasn't ended. I flashed the LT15i .587 firmware again and this time the phone booted successfully. I rooted and install CWM as i did before.. i rebooted my phone and when sony logo appeared i kept on pressing volume down key but it couldn't get into CWM and was stuck on sony logo.I had to pull out the battery . After that i booted my phone again without trying to get into CWM and it succeeded. So basically everything works fine except stuck on sony logo when i try to boot in CWM.
I need CWM for installing good mods and backup and all kinds of stuff but i couldn't work it out and couldn't find a thread about it. I don't wanna unlock bootloader as well. Please help !!
p.s sorry for bad English and the story seems too long and a bit confusing... i just wanna make it more detailed...

Dude, at the aame time youre flashing kernel. Thats the issue. Just flash lt18 ftf and stick with it. It should work fine. Dont revert back to a lt15 backup, because of kernel incompability.
Sent from my Xperia Arc S using xda premium

TheHaso said:
Dude, at the aame time youre flashing kernel. Thats the issue. Just flash lt18 ftf and stick with it. It should work fine. Dont revert back to a lt15 backup, because of kernel incompability.
actually i did that. I flashed the LT18i ftf again and rooted it and installed CWM as usual. But it didn't work..
Still thx for replying.
Click to expand...
Click to collapse

danielozh said:
TheHaso said:
Dude, at the aame time youre flashing kernel. Thats the issue. Just flash lt18 ftf and stick with it. It should work fine. Dont revert back to a lt15 backup, because of kernel incompability.
actually i did that. I flashed the LT18i ftf again and rooted it and installed CWM as usual. But it didn't work..
Still thx for replying.
Click to expand...
Click to collapse
Buddy no offense, may I know what prob you are currently facing? I could help you out, but am findin the post confusing
Click to expand...
Click to collapse

danielozh said:
TheHaso said:
Dude, at the aame time youre flashing kernel. Thats the issue. Just flash lt18 ftf and stick with it. It should work fine. Dont revert back to a lt15 backup, because of kernel incompability.
actually i did that. I flashed the LT18i ftf again and rooted it and installed CWM as usual. But it didn't work..
Still thx for replying.
Click to expand...
Click to collapse
Restore phone using Sony Update Service and install XParts.
僕のLT18iから送られてきた
Click to expand...
Click to collapse

gire.prasad said:
danielozh said:
Buddy no offense, may I know what prob you are currently facing? I could help you out, but am findin the post confusing
Click to expand...
Click to collapse
i can't boot into CWM. when i try to get into CWM, it just stuck on sony logo forever. If i dont try to boot into CWM, then everything works fine.
Click to expand...
Click to collapse

popthosegaskets said:
danielozh said:
Restore phone using Sony Update Service and install XParts.
僕のLT18iから送られてきた
Click to expand...
Click to collapse
I don't really think I know how to use SUS and i tried it but it just says no software update. And x-part doesn't work on my phone..i don't why.
Click to expand...
Click to collapse

danielozh said:
popthosegaskets said:
I don't really think I know how to use SUS and i tried it but it just says no software update. And x-part doesn't work on my phone..i don't why.
Click to expand...
Click to collapse
Usually they will ask you if you still want to restore your phone after that,
Click to expand...
Click to collapse

popthosegaskets said:
danielozh said:
Usually they will ask you if you still want to restore your phone after that,
Click to expand...
Click to collapse
still doesn't work...
can someone please help..?
Click to expand...
Click to collapse

danielozh said:
popthosegaskets said:
still doesn't work...
can someone please help..?
Click to expand...
Click to collapse
Your only option is Flashtool if SUS does not work...
Flash the ftf file again, wipe everything and tick the "no final verification" checkbox.
Click to expand...
Click to collapse

popthosegaskets said:
danielozh said:
Your only option is Flashtool if SUS does not work...
Flash the ftf file again, wipe everything and tick the "no final verification" checkbox.
Click to expand...
Click to collapse
Yes i did use flashtool and wipe everything and tick the checkbox. I rooted my phone and install CWM as i did before. It used to work but now it doesn't.
Click to expand...
Click to collapse

danielozh said:
popthosegaskets said:
Yes i did use flashtool and wipe everything and tick the checkbox. I rooted my phone and install CWM as i did before. It used to work but now it doesn't.
Click to expand...
Click to collapse
I have the same problem. Have you come up with a solution?
Click to expand...
Click to collapse

magnifisa said:
danielozh said:
I have the same problem. Have you come up with a solution?
Click to expand...
Click to collapse
No.... BTW,how did you get this problem?
Click to expand...
Click to collapse

Please..I need help... cheers

danielozh said:
Please..I need help... cheers
Click to expand...
Click to collapse
This is really a strange problem indeed! I had the same issue on LB! But mine dint go to CWM and booted directly into device! I tried all sorts of solutions but in vain! At last, I just flashed entirely from the beginning.
1. FTF (Format everything)
2. Root
3. Recovery
And everything is still fine after that!

Whatever you encounter when flashing custom Rom or mods
Go to flashtool and flash back the stock firmware and root and install again .
It always effective
Sent from my LT18i using xda app-developers app

rt235130 said:
Whatever you encounter when flashing custom Rom or mods
Go to flashtool and flash back the stock firmware and root and install again .
It always effective
Sent from my LT18i using xda app-developers app
Click to expand...
Click to collapse
That's exactly what i've done.
I flash the LT18i 4.1.B.0.587 ftf( entire rom) and rooted my phone with E-root, install CWM with cmd... and it works fine if i don't try to boot into CWM. But if i press the volume down button repeatedly when sony logo appears, blue light turns on...the screen gets brighter, and then blue light disappears, and just stuck on it.

rt235130 said:
Whatever you encounter when flashing custom Rom or mods
Go to flashtool and flash back the stock firmware and root and install again .
It always effective
Sent from my LT18i using xda app-developers app
Click to expand...
Click to collapse
Well i did. but doesn't work.

danielozh said:
That's exactly what i've done.
I flash the LT18i 4.1.B.0.587 ftf( entire rom) and rooted my phone with E-root, install CWM with cmd... and it works fine if i don't try to boot into CWM. But if i press the volume down button repeatedly when sony logo appears, blue light turns on...the screen gets brighter, and then blue light disappears, and just stuck on it.
Click to expand...
Click to collapse
Why don't you root or install cwm via any other available methods?

gire.prasad said:
Why don't you root or install cwm via any other available methods?
Click to expand...
Click to collapse
i did. x-part didn't work. recoveryx didn't.
About root, i tried to use the method which downgrade the kernel first and then upgrade it later. It worked. But still no CWM.

Downgrade firmware?

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!
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every have luck with this?

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

pao008 said:
As of now nope. Still using unroot Z5P.
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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.
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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?
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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?
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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!
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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!
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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!
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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
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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:
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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