[Q] Downgrade from KK - Xperia Z1 Q&A, Help & Troubleshooting

Hello All,
After using using KK in my Z1 for a week, i am very pissed, i did not like it at all, it is very buggy, camera is very laggy, the **** restriction of SD Card with 3rd party apps, the separation of settings and notification in the notification bar, the phone get stuck several times which makes me to hard reset it, the phone get overheat very quickly while using the camera specially while taking pictures in a hot weather which finally will force stop the camera and show the message of high temp while trying to use the camera....
So I am thinking in taking my phone to customer service (but i have no time for that) or downgrading the phone to the last firmware before KK which was very good with no issues...
Please guide me on how to downgrade step by step with the name of tools needed.
P.S. I live in Middle East (Bahrain)
Thanks & Regards

Kingo90 said:
Hello All,
After using using KK in my Z1 for a week, i am very pissed, i did not like it at all, it is very buggy, camera is very laggy, the **** restriction of SD Card with 3rd party apps, the separation of settings and notification in the notification bar, the phone get stuck several times which makes me to hard reset it, the phone get overheat very quickly while using the camera specially while taking pictures in a hot weather which finally will force stop the camera and show the message of high temp while trying to use the camera....
So I am thinking in taking my phone to customer service (but i have no time for that) or downgrading the phone to the last firmware before KK which was very good with no issues...
Please guide me on how to downgrade step by step with the name of tools needed.
P.S. I live in Middle East (Bahrain)
Thanks & Regards
Click to expand...
Click to collapse
Never tried the stock 4.4 but I'm on auras 4.4 rom and i'm quite happy with it. Anyways, I always use flashtool to downgrade or upgrade so check this

Ahki767 said:
Never tried the stock 4.4 but I'm on auras 4.4 rom and i'm quite happy with it. Anyways, I always use flashtool to downgrade or upgrade so check this
Click to expand...
Click to collapse
Currently the phone is still new with me so i wanted to stick with the official firmwares until i get bored, then i will try the custom roms, Thanks for the link
Currently my build number is: 14.3.A.0.681 ( C6903 14.3.A.0.681 Generic MEA 1277-2882 in the thread)
So the one with JB should be the one before that build number which is: (C6903 14.2.A.1.136 Generic MEA 1277-2882_R2B in the thread)
That is right ? i should download 14.2.A.1.136 ?
Thanks

Kingo90 said:
Currently the phone is still new with me so i wanted to stick with the official firmwares until i get bored, then i will try the custom roms, Thanks for the link
Currently my build number is: 14.3.A.0.681 ( C6903 14.3.A.0.681 Generic MEA 1277-2882 in the thread)
So the one with JB should be the one before that build number which is: (C6903 14.2.A.1.136 Generic MEA 1277-2882_R2B in the thread)
That is right ? i should download 14.2.A.1.136 ?
Thanks
Click to expand...
Click to collapse
Yes the .136 is latest 4.3. Make sure to backup your internal storage if there is anything important on it as it'll be wiped

Ahki767 said:
Never tried the stock 4.4 but I'm on auras 4.4 rom and i'm quite happy with it. Anyways, I always use flashtool to downgrade or upgrade so check this
Click to expand...
Click to collapse
Ahki767 said:
Yes the .136 is latest 4.3. Make sure to backup your internal storage if there is anything important on it as it'll be wiped
Click to expand...
Click to collapse
Sure, Thank you very much mate :fingers-crossed:

If i downgrade to 4.3 from 4.4.2 because of sound bug, will my warrenty still be there if i use flashtools?

knudsen81 said:
If i downgrade to 4.3 from 4.4.2 because of sound bug, will my warrenty still be there if i use flashtools?
Click to expand...
Click to collapse
Yes. Using Stock FTFs with Flashtool do not void your Warranty. Unlock Bootloader does.

Related

4.2.2 update in UK??

When will the 4.2.2 update be released in the UK? Seems like it's been out for a while, yet my phone still hasn't found the update using either OTA or with PC Companion on my laptop.
We don't have the insight to say. Nobody has. And no crystal balls.
4.2.2 has been out for a few days only and is clearly rolling out across the piste.
Just wait patiently or use one of the other Generic ones if you're really that desperate. They're all basically the same apart from minor app differences.
I think Vodafone has released it someone on another forum updated his to 422 via Sony bridge on a Mac.
Never.... (joking)
Considering we were left out of the last few updates wouldn't surprise me if we are the last to get this one.
So I would guess a month
Sent from my Xperia Z with a carbon fibre case
I got the update yesterday on Vodafone UK
Sent from my C6603 using xda premium
Any splash screens on this firmware. Also do you have the FTF ?
Thanks
My phone didnt alert me but using PCC identified and upgraded last night. On VF UK branded handset
dyawlak said:
My phone didnt alert me but using PCC identified and upgraded last night
Click to expand...
Click to collapse
You have a UK unbranded device? Customisation number 1270-7689? Or some other UK device?
Not booting up my PC to find out if this is true or not, as other methods of checking are still showing 434 as the latest available for UK unbranded.
Edit: I see you edited your post. Yes, most are aware that Vodafone have updated
Sent from my C6603 using Tapatalk 2
kingvortex said:
You have a UK unbranded device? Customisation number 1270-7689? Or some other UK device?
Not booting up my PC to find out if this is true or not, as other methods of checking are still showing 434 as the latest available for UK unbranded.
Edit: I see you edited your post. Yes, most are aware that Vodafone have updated
Sent from my C6603 using Tapatalk 2
Click to expand...
Click to collapse
Mines was a VF UK handset upgrade - so branded to them. The phone itself didn't report any system/software upgrades, but as soon as I ran up PCC and plugged it in, PCC kicked off the upgrade.
Just use the Sony original Japanese update it doesn't change the language or anything and everything works out is the official Sony update and u just flash it with a flash tool no wipe of data or anything and u can easily root it with doomlords rooting method. It's a one click root.
Sent from my C6603 using xda app-developers app
Just change to a different generic customization. Some people seem to think that there is something special about UK firmware, but that isn't true at all (except that it seems to get updated last). All customizations contain the same baseband, kernel and core. The only difference is the bundled apps, build.prop and some overlays. I think 'Generic ES' is the best customization to change to. It contains all Sony apps (so you won't lose Video Unlimited or anything), of course it also contains all languages and it seems to get updates first.
Also, please stop asking when an update for a certain customization will be released. Nobody will be able to tell you, so it's completely useless to ask. There are ways enough to check the latest version for your customization. I have a list that I update daily or even multiple times a day, you can also create a browser bookmark to Sony's Firmware Update Server (see same thread) or you can use this web check: http://scavenger.ch/sonyupdate/.
Don't worry, it should come sometime this decade...we might even get the firmware update that everyone else has had for 2 months before 2017...wouldn't that be great?
murrayalex said:
Don't worry, it should come sometime this decade...we might even get the firmware update that everyone else has had for 2 months before 2017...wouldn't that be great?
Click to expand...
Click to collapse
Instead of waiting weeks/months/ages and complaining, just change to a different firmware customization like everyone else did. What are you scared of? There's always the possibility of changing back to 'Generic UK'.
dante501 said:
Just use the Sony original Japanese update it doesn't change the language or anything and everything works out is the official Sony update and u just flash it with a flash tool
Click to expand...
Click to collapse
Where can I find the Sony original Japanese update ftf?
Thanks
tonylee2000 said:
Where can I find the Sony original Japanese update ftf?
Thanks
Click to expand...
Click to collapse
That doesn't exist. In Japan, the Xperia Z was only available through the carrier NTT DoCoMo, which had a slightly different version with a different model number (SO-02E).
Check this list for the available customizations: [INFO] Latest firmware version per customization (region/branding). For the UK, I would recommend 'Generic ES'.
Apollo89 said:
Instead of waiting weeks/months/ages and complaining, just change to a different firmware customization like everyone else did. What are you scared of? There's always the possibility of changing back to 'Generic UK'.
Click to expand...
Click to collapse
I have xperia z hspa , and I don't want to change the customization , can I flash the TW one ?? or is there any other options for the c6602 ?
hamud.q said:
I have xperia z hspa , and I don't want to change the customization , can I flash the TW one ?? or is there any other options for the c6602 ?
Click to expand...
Click to collapse
Downloading the 'Generic TW' FTF and flashing it with Flashtool, or changing your customization number in build.prop and updating with Sony PC Companion will give exactly the same result. 'Generic TW' is the only customization that has been updated for C6602. It also seems to get updates first each time. So I recommend to use that firmware.
I will sell my XZ and buy Galaxy S4 i think, its not about changing customization etc it shows how Sony treat UK customers...
qucharski said:
I will sell my XZ and buy Galaxy S4 i think, its not about changing customization etc it shows how Sony treat UK customers...
Click to expand...
Click to collapse
Good luck with your (plastic) Galaxy S4 (with ugly *** TouchWiz) then. Hopefully Samsung will release updates faster to the UK
Do you really care so much about the 'Generic UK' customization? It's not like it contains any special features that can't be found in other customizations.
tonylee2000 said:
Where can I find the Sony original Japanese update ftf?
Thanks
Click to expand...
Click to collapse
here you go download the whole thing unzip it flash with flashtool and ur done then use doomlord rooting and done
rom ftf https://uhub.netvigator.com/web/quickshare_filedownload.html#IaThdlku8TwZiL32NjkSjn34s::
doomlord root http://forum.xda-developers.com/showthread.php?t=2327472

[Q] Stock Rom won't update [uk]

I have the stock rom with no root (C6603) running android 4.1.2 on build number 10.1.A.1.434, it refuses to update to 4.2.2 over the air or using sony pc companion, I avoided rooting this time because I have apps the don't work when the phone is rooted (banking), I'm with virgin media but the phone is unlocked, is there a way that I can get this update without having to root the phone??
thank you for your time
There is no update to 4.2.2 for UK unbranded handsets. I assume that is what Virgin supplied you with.
Enter *#*#7378423#*#* in the dialler then look in Service Info -> Software Info. If your Customisation version is 1270-7689, then you have a UK unbranded device and cannot officially update yet.
You can download one of the many ftf available in the general section and flash it with flashtool however. That does not require root.
Sent from my C6603 using Tapatalk 2
Here is a link to change the customisation number of your device (root required) that will make PC companion believe you have an available update to download. I tried this amd it worked first time
http://forum.xda-developers.com/showthread.php?t=2311211
However if you do not want to root the devixe, then simply using flashtool and your stock 4.2.2 .ftf file you will have no problem achieving what you wish
Hope it helps
Sent from my C6603 using xda app-developers app
Unbranded UK users are being completely ignored by sony
I'm in the same boat as you, haven't found the time/patience to flash a stock firmware that actually receives updates. Unbranded UK users are being completely ignored by sony.
I'm already feeling bad for buying my phone via expansys on release.
SleepingTurtle_I said:
I have the stock rom with no root (C6603) running android 4.1.2 on build number 10.1.A.1.434, it refuses to update to 4.2.2 over the air or using sony pc companion, I avoided rooting this time because I have apps the don't work when the phone is rooted (banking), I'm with virgin media but the phone is unlocked, is there a way that I can get this update without having to root the phone??
thank you for your time
Click to expand...
Click to collapse
zunido said:
I'm in the same boat as you, haven't found the time/patience to flash a stock firmware that actually receives updates. Unbranded UK users are being completely ignored by sony.
I'm already feeling bad for buying my phone via expansys on release.
Click to expand...
Click to collapse
Why not just flashing an 4.2.2 rom via flashtool. No root required.
Sent from my C6603 using Tapatalk 4 Beta
I live in Portugal, should I flash the Portuguese unbranded firmware or the Spanish which is in the latest version?
Do I have to delete my data to flash the new firmware?
... sorry for asking, I know that somewhere in XDA there are adequate answers, its just that it would be much nicer if Sony would just release the unbranded firmware for all unbranded Xperia Z's! I'm a software developer myself, and cannot think why, after Sony releasing the latest firmware in the UK (branded), would not release the unbranded version since the only relevant think is the country customization which must already have been achieved in the branded firmware.
dante501 said:
Why not just flashing an 4.2.2 rom via flashtool. No root required.
Sent from my C6603 using Tapatalk 4 Beta
Click to expand...
Click to collapse
zunido said:
I live in Portugal, should I flash the Portuguese unbranded firmware or the Spanish which is in the latest version?
Do I have to delete my data to flash the new firmware?
... sorry for asking, I know that somewhere in XDA there are adequate answers, its just that it would be much nicer if Sony would just release the unbranded firmware for all unbranded Xperia Z's! I'm a software developer myself, and cannot think why, after Sony releasing the latest firmware in the UK (branded), would not release the unbranded version since the only relevant think is the country customization which must already have been achieved in the branded firmware.
Click to expand...
Click to collapse
Well I don't know of there is a Portuguese one. I honestly flashed a Chinese stock rom and i just check I have Spanish and also Portuguese languages. U really can flash any stock 4.2.2 rom u like. I don't know why unbranded devices don't get an update mine is unbranded too and I had to flash a stock firmware. But it wasn't a big deal. And u don't lose if u don't choice wipe data ur data but there some ppl that had severely issues flashing without full wipe. My flash went without any issues or data wipe. But I can't 100% promise it will work by u without issues too.
Sent from my C6603 using Tapatalk 4 Beta
Flash tools for mac or linux
If I have the time, I'll flash my phone this weekend...
Do you know what tools I can use in mac or linux? The official stuff only works well on windows. I know there's a flash tool for mac but there are no up-to-date tutorials, maybe I'll risk it, this 2 firmware updates behind is not a comfortable place to be.
dante501 said:
Well I don't know of there is a Portuguese one. I honestly flashed a Chinese stock rom and i just check I have Spanish and also Portuguese languages. U really can flash any stock 4.2.2 rom u like. I don't know why unbranded devices don't get an update mine is unbranded too and I had to flash a stock firmware. But it wasn't a big deal. And u don't lose if u don't choice wipe data ur data but there some ppl that had severely issues flashing without full wipe. My flash went without any issues or data wipe. But I can't 100% promise it will work by u without issues too.
Sent from my C6603 using Tapatalk 4 Beta
Click to expand...
Click to collapse
Sadly for Mac I have no clue to be honest. And yeah the 2 softwares below make a difference they slightly calibrated the screen even more and also camera a little bit more. This how the phone should had been released.
Sent from my C6603 using Tapatalk 4 Beta
yeah, my version is
United Kingdom Generic UK 1270-7689 10.1.A.1.434 R14A 10.1.A.1.434 R14A
basically the unbranded and yes I bought it pre-paid from virgin media as I had a contract with them and could get the phone cheaper than I could get it online, find this pretty insulting that they have just ignored a huge portion of their consumers again, they did this with the last phone I had with them which they actually canceled the updates past android 2.1 even though people had 2.3.7 running on it fine at the time and even have jb 4.1.2 running (partially from the sd card of the phone) on that handset, sony release great devices and just leave them with little to no support, I'm tempted to boycott them in the future if this is the legacy they wish to leave behind, very sad since they have well polished hardware, any news on a possible release date for us ?
Im in the same boat and have a generic UK device stuck on 4.1.2 , what stock ROM is recommended to flash onto UK devices so they still receive OTA Updates etc? , really do not want root on the device at the moment due to Sky Go apps etc.
Cheers
Gavin

(Q) Stock 4.3 back to 4.2.2 - help needed

Hello again
I got my sprint HTC one and update with OTA to 4.3 and did root to it.
I would like to know if there's a way to go back to the version I got the device - I think it was 4.2.2
Thanks
james341 said:
Hello again
I got my sprint HTC one and update with OTA to 4.3 and did root to it.
I would like to know if there's a way to go back to the version I got the device - I think it was 4.2.2
Thanks
Click to expand...
Click to collapse
If you took OTA then it probably updated firmware as well, which from what I understand breaks TouchPanel for the older ROMs.
Unless someone comes out with a patch for their 4.1/4.2 roms to make touch panel work with new firmware, I don't think the touch panels going to work...
james341 said:
Hello again
I got my sprint HTC one and update with OTA to 4.3 and did root to it.
I would like to know if there's a way to go back to the version I got the device - I think it was 4.2.2
Thanks
Click to expand...
Click to collapse
sprint came with android 4.1.2
Thanks for you answers
SO is there an RUU for version 4.3?
how do i completely erase the phone and put a fresh 4.3 version?
james341 said:
Thanks for you answers
SO is there an RUU for version 4.3?
how do i completely erase the phone and put a fresh 4.3 version?
Click to expand...
Click to collapse
I would also love an answer to this, I have flashed a 4.3 version rom, cant access any media from before, when I check I see same amount of storage as before, but cant see where anything is

C9603 vs. C6902 + Customization Version

Two days ago I purchased the Z1 from a local retailer (Tel Aviv, Israel), not realizing that it was the C6902.
The problem is that its customization version is 1278-3595_R1A (software: 1272-6084_13.1.G.2.257.)
I hadn't realized that .257 cannot be rooted prior to updating to it because the OS prompted me to shortly after I first booted it up, so I was hoping to downgrade to .535, root, and update it to 4.3, and then install a custom ROM.
However, I gather from the thread with all the FTF collections (here) that no customization versions of 1278-3595_R1A exists. Does this meant that I can neither root nor install a custom OS?
(why I figured this is important: here.)
In conclusion, I assume that C9603 will get better and quicker dev support, so should I return my current C9602 and purchase the C9603 online (Ebay) while I still can?
Bonus question: why the hell does the C6902 even exists if it's just the C6903 without the LTE? Better to have it and not use it -- no?
(Note: LTE, or any form of 4G networks, including WiMix, is and will be unavailable here in Israel for the foreseeable future - at least to the general public.)
Thank you.
Just noticed that the title should be "C6903 vs. C6902 + Customization Version". I mistakenly misplaced the two digits in C6903.
Even ordering online has some problems. but any replacement to your phone is better!
Regards,
~J2C
Just2Cause said:
Even ordering online has some problems. but any replacement to your phone is better!
Regards,
~J2C
Click to expand...
Click to collapse
Better in what regard?
Agoneous said:
Better in what regard?
Click to expand...
Click to collapse
you cant downgrade or root?
Just2Cause said:
you cant downgrade or root?
Click to expand...
Click to collapse
That's what I'm unsure of - hence the pilgrimage for confirmation of my as of yet unverified findings thus far.
Agoneous said:
That's what I'm unsure of - hence the pilgrimage for confirmation of my as of yet unverified findings thus far.
Click to expand...
Click to collapse
You can flash ANY C6902 firmware.
I thought that there is something wrong preventing you from flashing another firmware ftf on your phone.
Regards,
~J2C
Just2Cause said:
You can flash ANY C6902 firmware.
I thought that there is something wrong preventing you from flashing another firmware ftf on your phone.
Regards,
~J2C
Click to expand...
Click to collapse
Ah, then it seems I misunderstood where the different variations stand in terms of compatibility. I'll be installing the IN version soon and see how things go.
Thank you for the clarification.

[Q] OTA problem

Hey guys!!!
I'm waiting for 4.4.4 update. However the update is available in my country (greece) but i dont receive any notification and pc companion says that i have latest update. So has anyone an ftf for my country/region(i cant find other exept of france) or any idea what's going on? (my phone is sim unlocked, c6903 and i don't want other country's ftf )
mitsosJL said:
i don't want other country's ftf )
Click to expand...
Click to collapse
Why not? It makes no difference to the phones performance.
gregbradley said:
Why not? It makes no difference to the phones performance.
Click to expand...
Click to collapse
Hahahaha just my whimsy (I havent any problem to flash an ftf of another country )

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