Downgrade is possible? - Xperia Z1 Q&A, Help & Troubleshooting

Hi guys,
I have z1 and want to root but system is 14.1.g.2.257... There is any way for downgrade or root?
PS: bootloader unlocked.

Just flash older firmware tft using flashtool and then u can root .543 and ota update to .254.
Sent from my C6903 using xda app-developers app

Jimvest said:
Just flash older firmware tft using flashtool and then u can root .543 and ota update to .254.
Sent from my C6903 using xda app-developers app
Click to expand...
Click to collapse
Any link for 543 tft file?

kartal172 said:
Any link for 543 tft file?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2469191

dawen said:
http://forum.xda-developers.com/showthread.php?t=2469191
Click to expand...
Click to collapse
My stock id is 1276-0873 R8A... But there is not?
Possible resume with any? (example : C6903 14.1.G.1.534 Central Europe1276-4314_R2A)

kartal172 said:
My stock id is 1276-0873 R8A... But there is not?
Possible resume with any? (example : C6903 14.1.G.1.534 Central Europe1276-4314_R2A)
Click to expand...
Click to collapse
I did it! Thanks guyz! Used C6903 14.1.G.1.534 Central Europe1276-4314_R2A and rooted via flashtool!

kartal172 said:
My stock id is 1276-0873 R8A... But there is not?
Possible resume with any? (example : C6903 14.1.G.1.534 Central Europe1276-4314_R2A)
Click to expand...
Click to collapse
Which country are you from?

No need to do any of that if your boot loader is unlocked. Just flash a custom kernel.
Sent from my C6903 using XDA Premium 4 mobile app

gregbradley said:
No need to do any of that if your boot loader is unlocked. Just flash a custom kernel.
Sent from my C6903 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
For downgrading firmware version? That's not really a good choice, flashing with a tft file is clearly better, flashing a custom kernel can hard brick your phone, avoid your warranty and can't be restored with SUS and PCC...

QualQuek said:
For downgrading firmware version? That's not really a good choice, flashing with a tft file is clearly better, flashing a custom kernel can hard brick your phone, avoid your warranty and can't be restored with SUS and PCC...
Click to expand...
Click to collapse
No, he asked how to root. If he has already unlocked the bootloader then the simplest way to root is flash a custom kernel. Warranty is already broken and what is the point in unlocking the bootloader unless you are going to flash a custom kernel anyway

gregbradley said:
No, he asked how to root. If he has already unlocked the bootloader then the simplest way to root is flash a custom kernel. Warranty is already broken and what is the point in unlocking the bootloader unless you are going to flash a custom kernel anyway
Click to expand...
Click to collapse
Yeah but flashing a custom kernel is not necessary for having root on the latest firmware.

QualQuek said:
Yeah but flashing a custom kernel is not necessary for having root on the latest firmware.
Click to expand...
Click to collapse
No its not, but its the easiest way to get root if you have already unlocked.
And please tell me the point of unlocking if you are not going to flash a custom kernel.
Its harmless as long as you flash the correct kernel. It carries the same risk as flashing anything.

Ah... i lost the camera guyz. It seems working, opening but when i try capture then frozing system.... Any ideas?
Locked bootloader via Flashtool but same... Need re flash a rom?

kartal172 said:
Ah... i lost the camera guyz. It seems working, opening but when i try capture then frozing system.... Any ideas?
Locked bootloader via Flashtool but same... Need re flash a rom?
Click to expand...
Click to collapse
Any suggestions about that issue?

kartal172 said:
Any suggestions about that issue?
Click to expand...
Click to collapse
Go to Settings -> Apps -> find your Camera app ->Clear data

hush66 said:
Go to Settings -> Apps -> find your Camera app ->Clear data
Click to expand...
Click to collapse
Nope, same again. Freezing app when i click get a shoot button. Tried via diagnostic but there is working as well...
Another suggestion guyz?

kartal172 said:
Nope, same again. Freezing app when i click get a shoot button. Tried via diagnostic but there is working as well...
Another suggestion guyz?
Click to expand...
Click to collapse
You have downgraded in order to root then to do an OTA upgrade back to .257 if I am right.
In which case, do not worry that the camera does not work in .534, just root it, and upgrade OTA.
Then try the camera.
EDIT
Also you need to clear the data in all camera related apps

gregbradley said:
You have downgraded in order to root then to do an OTA upgrade back to .257 if I am right.
In which case, do not worry that the camera does not work in .534, just root it, and upgrade OTA.
Then try the camera.
EDIT
Also you need to clear the data in all camera related apps
Click to expand...
Click to collapse
Sorry but i don't know the terms like this... Im newbie with Xperia... May we can use the links with possible tutorials can helpfull....
Thanks in advance....

http://forum.xda-developers.com/showthread.php?t=2505796

kartal172 said:
Nope, same again. Freezing app when i click get a shoot button. Tried via diagnostic but there is working as well...
Another suggestion guyz?
Click to expand...
Click to collapse
Try clearing the data for both the Camera and Camera Common apps under Setting -> Apps -> All.

Related

[Q] Flash stock ftf on rooted rom

hello guys. my rom build numbers 10.3.1.a.244 rooted and i want to flash 10.3.A.0.423. is there any problem for flash it?
human.n74 said:
hello guys. my rom build numbers 10.3.1.a.244 rooted and i want to flash 10.3.A.0.423. is there any problem for flash it?
Click to expand...
Click to collapse
Why you wanna downgrade?
Anyway, before any downgrade process, be sure to wipe all data.
If you don't wipe data you will have problems with nfc firmware causing in a bootloop
Sent from my Xperia Z using XDA Premium 4 mobile app.
DrKrFfXx said:
Why you wanna downgrade?
Anyway, before any downgrade process, be sure to wipe all data.
Click to expand...
Click to collapse
If i want to di it i must wipe with flashtools or cmw?
human.n74 said:
If i want to di it i must wipe with flashtools or cmw?
Click to expand...
Click to collapse
Either way is fine.
DrKrFfXx said:
Either way is fine.
Click to expand...
Click to collapse
if i unlock boot loader can i re lock it easily?
human.n74 said:
if i unlock boot loader can i re lock it easily?
Click to expand...
Click to collapse
Yes, there is a flashable zip to unlock the bootloader somewhere in the development section.
DrKrFfXx said:
Yes, there is a flashable zip to unlock the bootloader somewhere in the development section.
Click to expand...
Click to collapse
relock is easy too? after flash official rom my devise in no root right?
human.n74 said:
relock is easy too? after flash official rom my devise in no root right?
Click to expand...
Click to collapse
Yes. Easy.
Nope, no root.

Is anyone working on rooting the .257 firmware?

I know the guys from XDA hate ETA questions but I just have to ask wether someone is working on rooting the .257 firmware with apps like vRoot or Kingo ROOT because I tried various methods that I found on XDA today to root it and I almost ruined the software and had to do a factory reset.
Lucian5800 said:
I know the guys from XDA hate ETA questions but I just have to ask wether someone is working on rooting the .257 firmware with apps like vRoot or Kingo ROOT because I tried various methods that I found on XDA today to root it and I almost ruined the software and had to do a factory reset.
Click to expand...
Click to collapse
Kingo root latest version has done the job for me. first try ended with an error but second try has worked for me, i´m on Generic DE .257
hempyms said:
Kingo root latest version has done the job for me. first try ended with an error but second try has worked for me, i´m on Generic DE .257
Click to expand...
Click to collapse
Can anyone else confirm this, because this is the first report of any app directly rooting an unrooted .257 FW
gregbradley said:
Can anyone else confirm this, because this is the first report of any app directly rooting an unrooted .257 FW
Click to expand...
Click to collapse
This. I'd like to try it myself, but then again I don't want to ruin my phone like I already did this morning.
gregbradley said:
Can anyone else confirm this, because this is the first report of any app directly rooting an unrooted .257 FW
Click to expand...
Click to collapse
Did u update the firmware from an OTA update or you flashed the .275 directly? From what I read updating from an OTA keep the root you only need to install the supersu apk.
Sent from my C6903 using XDA Premium 4 mobile app
Yes OTA update (if available) will preserve root.
And I can't see how can you "ruin" your phone?!
You could wipe data but it's almost impossible to brick this device if you're using right firmwares
Sent from my Z1
funky0308 said:
Yes OTA update (if available) will preserve root.
And I can't see how can you "ruin" your phone?!
You could wipe data but it's almost impossible to brick this device if you're using right firmwares
Sent from my Z1
Click to expand...
Click to collapse
I rooted it successfully today using your method but when I tried yesterday after downgrading my firmware I couldn't use my camera and my Home was completely black so I had to open apps through Google Search. Then I had to do a factory reset.
The guy above say that he can root 257 using latest 1.1 kingo, doing it twice. Can anyone verify?
Sent from my C6903 using xda app-developers app
Kingo doesn't work yet
gregbradley said:
Can anyone else confirm this, because this is the first report of any app directly rooting an unrooted .257 FW
Click to expand...
Click to collapse
I just tried to root 257 with Kingo and did not succeed. Restarted four times in all, without any apparent damage to the phone. I hope Kingo will fix this soon and we will be able to root z1 running 257 stock. It's such a hassle free application! Good luck to them..
Lucian5800 said:
I rooted it successfully today using your method but when I tried yesterday after downgrading my firmware I couldn't use my camera and my Home was completely black so I had to open apps through Google Search. Then I had to do a factory reset.
Click to expand...
Click to collapse
The camera hardware was working fine when you downgraded, it's just the SQLite database version was raised, and the old version of the camera app is incompatible with that. Wiping all camera apps' data would fix it.
(Source: I went back and forth between 257 and 534 a lot)
kgiann said:
I just tried to root 257 with Kingo and did not succeed. Restarted four times in all, without any apparent damage to the phone. I hope Kingo will fix this soon and we will be able to root z1 running 257 stock. It's such a hassle free application! Good luck to them..
Click to expand...
Click to collapse
Use latest vroot then install superSU from play store
Sent from my C6903 using Tapatalk 2
slytwocompacts
chubby65 said:
Use latest vroot then install superSU from play store
Sent from my C6903 using Tapatalk 2
Click to expand...
Click to collapse
can anyone please verify again
One of the guys above say to root 257 with latest vroot, please confirm
Why not try it for yourself then you can confirm ?
none of this tools (vroot, kingo, 360root - all the newest version) has working for my Z Ultra (newest firmware) - i have try every tool two times
sry for bad english
I've tried latest kingoroot and vroot..
sadly none of them worked for me..
i have an unlocked z1 with official firmware .257
anyone get news how to root without downgrade?
Passi1909 said:
I've tried latest kingoroot and vroot..
sadly none of them worked for me..
i have an unlocked z1 with official firmware .257
anyone get news how to root without downgrade?
Click to expand...
Click to collapse
An unlocked Z1...then flash a custom kernel...that is always the easiest way to root.
gregbradley said:
An unlocked Z1...then flash a custom kernel...that is always the easiest way to root.
Click to expand...
Click to collapse
sorry for my bad english, but with unlocked i mean: no branding or simlock
Passi1909 said:
sorry for my bad english, but with unlocked i mean: no branding or simlock
Click to expand...
Click to collapse
OK, that is irrelevant to rooting then.
You can do the downgrade method and upgrade via OTA without losing any data then.
gregbradley said:
OK, that is irrelevant to rooting then.
You can do the downgrade method and upgrade via OTA without losing any data then.
Click to expand...
Click to collapse
but i will lose my actual data with the downgrade or not?

need help about dual recovery

guys im using the ihackers pure stock rom minimal version rooted at superSU but the cant update the superSU keeps saying installation failed, so my only solution is to flash the supersu 1.86.zip thru recovery but i can't install the dual recovery..any solution for this? im installing the dual recovery here at my rooted 4.3 c6903 almost 10 times with no luck..
gaboh24 said:
guys im using the ihackers pure stock rom minimal version rooted at superSU but the cant update the superSU keeps saying installation failed, so my only solution is to flash the supersu 1.86.zip thru recovery but i can't install the dual recovery..any solution for this? im installing the dual recovery here at my rooted 4.3 c6903 almost 10 times with no luck..
Click to expand...
Click to collapse
Do you have locked bootloader? If so, then you can't install recovery as you have partial root due to Sony's RIC in the kernel.
Regards,
~J2C
Just2Cause said:
Do you have locked bootloader? If so, then you can't install recovery as you have partial root due to Sony's RIC in the kernel.
Regards,
~J2C
Click to expand...
Click to collapse
yes i have LB dude, now i know and thanks dude! BTW im attempting to unlocked my bootloader now, how will i fix my x reality after i unlocked my bootloader?..
gaboh24 said:
yes i have LB dude, now i know and thanks dude! BTW im attempting to unlocked my bootloader now, how will i fix my x reality after i unlocked my bootloader?..
Click to expand...
Click to collapse
You can't "Fix" X-reality, but you can backup TA partition before unlocking the bootloader and whenever you want X-reality you can restore TA partition and get your bootloader locked again.
Regards,
~J2C
Just2Cause said:
You can't "Fix" X-reality, but you can backup TA partition before unlocking the bootloader and whenever you want X-reality you can restore TA partition and get your bootloader locked again.
Regards,
~J2C
Click to expand...
Click to collapse
dude why my phone is like this im using ihackers pure stock rom minimal version and using ihackers kernel too so after restoring my TA the phone just vibrating and wont boot.
gaboh24 said:
dude why my phone is like this im using ihackers pure stock rom minimal version and using ihackers kernel too so after restoring my TA the phone just vibrating and wont boot.
Click to expand...
Click to collapse
Because you should flash stock kernel before restoring ftf.
Try to flash stock kernel now, if it didnt work then flash whole ftf without excluding anything.
That happened to me, and that solved it.
Regards,
~J2C
Just2Cause said:
Because you should flash stock kernel before restoring ftf.
Try to flash stock kernel now, if it didnt work then flash whole ftf without excluding anything.
That happened to me, and that solved it.
Regards,
~J2C
Click to expand...
Click to collapse
thanks dude it works im in LB state now, last question.. why my "File System Version in Software Info is Global-HSPA_14.2.A.290?" i know it should look like this "Global-LTE_14.2.A.290?..why it is HSPA? is that normal?
gaboh24 said:
thanks dude it works im in LB state now, last question.. why my "File System Version in Software Info is Global-HSPA_14.2.A.290?" i know it should look like this "Global-LTE_14.2.A.290?..why it is HSPA? is that normal?
Click to expand...
Click to collapse
I don't know? Maybe you flashed C6902 ftf? Or maybe you have C6902 and not C6903
I really don't know.
Regards,
~J2C
Just2Cause said:
I don't know? Maybe you flashed C6902 ftf? Or maybe you have C6902 and not C6903
I really don't know.
Regards,
~J2C
Click to expand...
Click to collapse
hmmm it's ok and thanks for the help.i'll figure it out why it's like this...mybe because of the rom im using.

.201 root process

Is there any way already to root. 201 firmware after updating? Thanks
Sent from my C5303 using xda app-developers app
Yes there is
Unlock bootloader
Flash Doomkernel
Flash SuperSufix via recovery
Reboot
You'll have root now.
Flash .201 kernel again
Lock bootloader
Enjoy your Rooted stock ROM with all the benefits of Locked bootloader without downgrading to .257 and flashing new ROM.
Rushaan™ said:
Yes there is
Unlock bootloader
Flash Doomkernel
Flash SuperSufix via recovery
Reboot
You'll have root now.
Flash .201 kernel again
Lock bootloader
Enjoy your Rooted stock ROM with all the benefits of Locked bootloader without downgrading to .257 and flashing new ROM.
Click to expand...
Click to collapse
Did you try it on new firmware?
silveraero said:
Did you try it on new firmware?
Click to expand...
Click to collapse
If you have Unlocked Boot Loader you can root ANY FW
If you don't... I recommend Unlock it :laugh:
and if you wanna keep warranty do backup of TA partition first
freedom74 said:
If you have Unlocked Boot Loader you can root ANY FW
If you don't... I recommend Unlock it :laugh:
and if you wanna keep warranty do backup of TA partition first
Click to expand...
Click to collapse
Ya ya, I know all these thing, I unlocked and relocked bootloader on 266 to root my phone with TA backup. Just wanna ask if you tried this on this new 201 firmware.
yeah it works i tested but i dont have 201 kernel can someone post a link plz as when i flashed doom kernal it broke wifi so i need 201 kernel thanks
ireaper4592 said:
yeah it works i tested but i dont have 201 kernel can someone post a link plz as when i flashed doom kernal it broke wifi so i need 201 kernel thanks
Click to expand...
Click to collapse
http://www.mediafire.com/download/a...e.com/download/aobkz4owf59dk61/kernel.201.ftf
freedom74 said:
If you have Unlocked Boot Loader you can root ANY FW
If you don't... I recommend Unlock it :laugh:
and if you wanna keep warranty do backup of TA partition first
Click to expand...
Click to collapse
What about for those of us that can't unlock bootloader?
Yeah. I wish doomlord released easy rooting kit. He doesnt care about SP anymore, unfortunately
Sent from my C5302 using xda app-developers app
.201 Root
silveraero said:
Did you try it on new firmware?
Click to expand...
Click to collapse
A friend of mine did
it worked
Worked for me
Sent from my C5303 using XDA Premium 4 mobile app
thehritzinator said:
What about for those of us that can't unlock bootloader?
Click to expand...
Click to collapse
There are a few pre-rooted .201 firmware floating in the development section. Need to have recovery to 'install'
Thx worked
Rushaan™ said:
Yes there is
Unlock bootloader
Flash Doomkernel
Flash SuperSufix via recovery
Reboot
You'll have root now.
Flash .201 kernel again
Lock bootloader
Enjoy your Rooted stock ROM with all the benefits of Locked bootloader without downgrading to .257 and flashing new ROM.
Click to expand...
Click to collapse
Hi. Could you please put this into a noob friendly quick guide?
aRc. said:
Hi. Could you please put this into a noob friendly quick guide?
Click to expand...
Click to collapse
Look at the root. 266 thread for unlocked bootloader..
It's exactly the same, the only difference is u have to flash the. 201 kernel again after finish rooting to experience improvements in the update..
Just a few questions please help. To keep our phone's warranty, we need to back up first the TA partition before unlocking right? I read and watched tutorials on how to back up but it needs a rooted phone so i search again on how to root, but unfortunately it requires unlock bootloader. Am i right guys? I'm using .201 all are stock and locked bl. Help guyrg.
Sent from my C5303 using xda app-developers app
Use .256 Leak Advance Kernel
s1llhoute said:
Look at the root. 266 thread for unlocked bootloader..
It's exactly the same, the only difference is u have to flash the. 201 kernel again after finish rooting to experience improvements in the update..
Click to expand...
Click to collapse
I have .201 kernel.ftf not the .elf. Does that matter?
aRc. said:
I have .201 kernel.ftf not the .elf. Does that matter?
Click to expand...
Click to collapse
.ftf extension means u have to flash it through flashmode,. elf extension through fastboot mode..
Stock kernel always in. ftf extension..
Sent from my C5302 using Tapatalk
no......... you can flash both using flashtool. For ftf use flashmode and for elf use fastboot

Z1 5.1.1 root

Is there a way to root my Z1 on android 5.1?
Giorgos zografos said:
Is there a way to root my Z1 on android 5.1?
Click to expand...
Click to collapse
This has been answered many times in other threads. Please search before posting.
No, 5.1 cannot be rooted directly. Root is only possible on 5.1 by flashing a pre-rooted ZIP.
Hi
If you have UB, youcan easily do that
Sent from my C6903 using Tapatalk
Same here still waiting for kingroot or anyone know way to root lollipop 5.1.1?.. need root my phone asap bec my phone always overheat.
xasbo said:
This has been answered many times in other threads. Please search before posting.
No, 5.1 cannot be rooted directly. Root is only possible on 5.1 by flashing a pre-rooted ZIP.
Click to expand...
Click to collapse
But Flashtool is required root.. =/ my phone still unroot and cant flash rom?
still waiting for root :/
alienx2 said:
But Flashtool is required root.. =/ my phone still unroot and cant flash rom?
Click to expand...
Click to collapse
Flashtool doesn't need root privileges.
With flashtool you flash ftf files.
You need flashtool program to flash ftf.
Your phone has to been in flash mode to flash a ftf file. The phone comes with flash mode, that's nothing special. The phone can handle flash mode from build.
agha_jo0n said:
Hi
If you have UB, youcan easily do that
Sent from my C6903 using Tapatalk
Click to expand...
Click to collapse
Just curious, if you are on stock unrooted 5.1.1, how does Unlocking the Bootloader make rooting easier?
spikey001 said:
Just curious, if you are on stock unrooted 5.1.1, how does Unlocking the Bootloader make rooting easier?
Click to expand...
Click to collapse
Just flash custom recovery and then flash super user through recovery, that's it
Sent from my C6903 using Tapatalk
Removed
alienx2 said:
Same here still waiting for kingroot or anyone know way to root lollipop 5.1.1?.. need root my phone asap bec my phone always overheat.
Click to expand...
Click to collapse
Overheat ? how ? there is no way... i have never even gotten over 50 Celcius... are you sure you don't have Z3+ ? D
Like what @xasbo said, this has been answered again and again, pls. use the search button.
There are no existing direct rooting method for 5.1.1 at the present time. Use flashtool to flash 4.4.4 or 5.0.2 on you phone then root it then install a custom recovery then flash a pre-rooted 5.1.1 on your phone. That is the only way you have at present if your phone has a locked boot loader.
If your phone has an unlocked bootloader, I believe you fastboot a rooted system.img or something to get root access on your 5.1.1 without the need to downgrade to either 4.4.4 or 5.0.2
Sent from my C6903 using XDA Free mobile app
Deathschythe33 said:
Like what @xasbo said, this has been answered again and again, pls. use the search button.
There are no existing direct rooting method for 5.1.1 at the present time. Use flashtool to flash 4.4.4 or 5.0.2 on you phone then root it then install a custom recovery then flash a pre-rooted 5.1.1 on your phone. That is the only way you have at present if your phone has a locked boot loader.
If your phone has an unlocked bootloader, I believe you fastboot a rooted system.img or something to get root access on your 5.1.1 without the need to downgrade to either 4.4.4 or 5.0.2
Sent from my C6903 using XDA Free mobile app
Click to expand...
Click to collapse
I did that but I got an error after flashing
.zip and then flashing the rest of ftf via flashtool except system. I posted the error in the thread of z1 Philippines
Sent from my C6903 using XDA Free mobile app
amnher said:
I did that but I got an error after flashing
.zip and then flashing the rest of ftf via flashtool except system. I posted the error in the thread of z1 Philippines
Sent from my C6903 using XDA Free mobile app
Click to expand...
Click to collapse
Ah, yes my apologies I mixed system.img vs. system.sin, if you are making a pre-rooted 5.1.1 use this thread it details how to create a pre-rooted 5.0.2 but it is the same for 5.1.1
migidid said:
Overheat ? how ? there is no way... i have never even gotten over 50 Celcius... are you sure you don't have Z3+ ? D
Click to expand...
Click to collapse
Yep it was..and nope Im using Z1 C6903 then now no more overheat bec i did downgraded to kitkat 4.4.4 then installed custom ROM called "iHackers 6.2" without unlocked BL.
alienx2 said:
Yep it was..and nope Im using Z1 C6903 then now no more overheat bec i did downgraded to kitkat 4.4.4 then installed custom ROM called "iHackers 6.2" without unlocked BL.
Click to expand...
Click to collapse
Strange, ive been using stock roms since 4.4.2 on my C6903 and never even felt my device being warm, like on samsungs opening chrome alone makes it so hot you cant touch it. but on Z1 noo, there must be something wrong on it.
migidid said:
Strange, ive been using stock roms since 4.4.2 on my C6903 and never even felt my device being warm, like on samsungs opening chrome alone makes it so hot you cant touch it. but on Z1 noo, there must be something wrong on it.
Click to expand...
Click to collapse
5.0.2 was okay under control overheat. but 5.1.1 is not. its very worst.

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