Problem with finding firmware D6503 - Xperia Z2 Q&A, Help & Troubleshooting

Hello!
Today I get my Xperia Z2 branded by T-Mobile in Poland. I want to root without voiding my guaranty. I have FW 23.0.1.A.0.167 running Android 4.4.4. I'm know that i have to downgrade my firmware, but I can't find matching firmware for my device and brand. I've searched in this topic of course -
[FTF] STOCK FIRMWARES for Xperia Z2/Z2a (D65x3/D6502/SO-03F) [20141116]
Can somebody help me?
Greetings from Poland!

May I downgrade from 23.0.1.A.0.167 (4.4.4 update) to 17.1.2.A.0.314 Germany - unbranded - 1281-4640? Is that won't brick my device?

icegustpl said:
May I downgrade from 23.0.1.A.0.167 (4.4.4 update) to 17.1.2.A.0.314 Germany - unbranded - 1281-4640? Is that won't brick my device?
Click to expand...
Click to collapse
You can downgrade to any ftf until its for your model. you might want to try and use xperifirm for ftf download though. you might find your phone's ftf.

Related

[Q] Downgrading FTF

HI ALL,
I updated to 4.3 without thinking first. I don't have an unlockable bootloader so I cannot apply root on that rom. The only rom I was able to root is .532.
I went to the [FTF Depository] Sony Firmware Releases (Latest: 14.2.A.0.290 - C6833) **UPDATED* thread and downloaded the [STOCK ROM] [FTF] Xperia Z Ultra (C6806) 14.1.B.1.532 "US Retail"
I'm on bell network from Canada but since it was the same model I only though that the input language would be english only. The problem is I don't have network signal. It says, Invalid Card, Emergency Calls only.
Then I tried to flash the baseband from [STOCK ROM] [FTF] Xperia Z Ultra (C6806) 14.2.A.0.290 "Generic US" which works on my phone but still the same baseband.
I'm confused. Is there a way to use the .532 firmware on my phone ? I have a C6806 from Bell with locked bootloader wich sucks btw.
Thanks
Sylvain
IchiGoQc said:
HI ALL,
I updated to 4.3 without thinking first. I don't have an unlockable bootloader so I cannot apply root on that rom. The only rom I was able to root is .532.
I went to the [FTF Depository] Sony Firmware Releases (Latest: 14.2.A.0.290 - C6833) **UPDATED* thread and downloaded the [STOCK ROM] [FTF] Xperia Z Ultra (C6806) 14.1.B.1.532 "US Retail"
Thanks
Sylvain
Click to expand...
Click to collapse
Unfortunately If you have a locked bootloader, and what sounds like a locked SIM for Bell only, you can only use the ROM that your carrier provides you with. You'll need to find someone in Canada with your device (ultra) and then get them to send you the FTF file.
and then flash that.
Its the only solution know of
SOLVED
hamdogg said:
Unfortunately If you have a locked bootloader, and what sounds like a locked SIM for Bell only, you can only use the ROM that your carrier provides you with. You'll need to find someone in Canada with your device (ultra) and then get them to send you the FTF file.
and then flash that.
Its the only solution know of
Click to expand...
Click to collapse
Thank you for your reply, really appreciate it. But I found a solution
After digging in the Q&A I found someone said that he lost his IMEI after downgrading from 4.3 and it was the same thing as me I had 0000000000 as IMEI. I tried multiple thing, and finally after downgrading to .532 excluding the baseband, upgrading to .257 and downgrading again to .532 fixed my issue with the invalid card now I have my LTE, signal and root back online.
Did you exclude the baseband when upgrading to .257 and downgrading back to .532?
purple.epod said:
Did you exclude the baseband when upgrading to .257 and downgrading back to .532?
Click to expand...
Click to collapse
The guide in general is now very simple to follow is starting from .290, there is now just a single file to flash, although it will say that the model no. is a c6833 at the end, but that will change back when you flash the correct ftf.

about First version of KitKat 4.4.2 for Z2

Hi,
I want to know about which build number version that came with Z2.
And is there any possible to get it in ftf file or is it possible to uninstall all the software updates and back to first rom that came with my Z2
Thanks for advance.
- D6502 or D6503,...
- FW: 17.1.A.2.55, 17.1.A.2.69, 17.1.1.A.0.402, 17.1.1.A.0.438, 17.1.2.A.0.314
- Download all version
http://forum.xda-developers.com/showthread.php?t=2759934
tonypro79 said:
- D6502 or D6503,...
- FW: 17.1.A.2.55, 17.1.A.2.69, 17.1.1.A.0.402, 17.1.1.A.0.438, 17.1.2.A.0.314
- Download all version
http://forum.xda-developers.com/showthread.php?t=2759934
Click to expand...
Click to collapse
D6503 Customized DE
But without keyboard languages like what I got with my phone first
do not worry, multilingual
tonypro79 said:
do not worry, multilingual
Click to expand...
Click to collapse
I want it without keyboard languages
I want to download it my self
The build number that came with your phone will depend on when you bought it. If you want to know the earliest KitKat build, it's 17.1.A.2.55. All available FTFs are in the link that tonypro79 provided. If you want one with just the German keyboard language, just get either the unbranded Germany (1281-4640) or Germany O2 (1281-4650).
I want know to downgrade my phone but how?
Normal flashing for does it need something else?
My has locked bootloader
Just download the firmware that you like, and use Flashtool to flash the FTF file. There are plenty of tutorials (including videos) on how to use Flashtool to flash FTF firmware files. And do make sure that you untick the "Wipe data" option if you want to keep your user data when you downgrade.

[Q] Flash with stock 5.0.2 while its on T-Mobile version

Hi i have a T-Mobile ( Germany) xperia Z2 unlocked with an unlocked bl and i want to know if there isn't any problem flashing it with the baltic lollipop because i read that it can cause some disfunctionnement in the baseband or something else ? and last question i just got it it was on 4.4.4 and i want to root it can i use this method after the upgrade ? http://forum.xda-developers.com/showpost.php?p=59511956&postcount=15 ?
Thank you
Reagle94 said:
Hi i have a T-Mobile ( Germany) xperia Z2 unlocked with an unlocked bl and i want to know if there isn't any problem flashing it with the baltic lollipop because i read that it can cause some disfunctionnement in the baseband or something else ? and last question i just got it it was on 4.4.4 and i want to root it can i use this method after the upgrade ? http://forum.xda-developers.com/showpost.php?p=59511956&postcount=15 ?
Thank you
Click to expand...
Click to collapse
It should work with official baltic 5.0.2 lollipop and I think the baseband should work too. I bought my device from Hong Kong and I use the nordic lollipop and I haven't noticed any baseband disfunctionment. Not sure about the root but it should work.
maddboss said:
It should work with official baltic 5.0.2 lollipop and I think the baseband should work too. I bought my device from Hong Kong and I use the nordic lollipop and I haven't noticed any baseband disfunctionment. Not sure about the root but it should work.
Click to expand...
Click to collapse
Ok thank you i'm downloading right now the ftf and will let you know if it works thanks

Lollipop 14.5.A.0.242 Download

Hi Guys!
Today 14.5.A.0.242 Lollipop firmware released for the z ultra. I made some .ftf for C6802,C6806 and C6833 so you can downoad it.
Here is the URLs:
C6802 Customzied Ukraine
C6806 Customzied Usa
C6833 Customzied Germany
just a few questions.. have you already flashed?? being in eu and using eu simcard will i encounter problems??? i only ask as ive never flashed an ftf before... just wanted to know if flashing a foreign ftf could mess up my phone!!
Regash said:
Hi Guys!
14.5.A.0.242 firmware released for the z ultra c6833 only the Latin region. I downloaded with flashtool and made .ftf file so you can flash it with flashtool. This is my first .ftf making so pls try it and report how it works! Thanks
Here is the link
Click to expand...
Click to collapse
Awesome!!!
Can you tell if it is 5.0 or 5.1?
Thanks
[[deleted]]
W00t!
PS: I know this might be so last year question but.. is it safe to flash C6833 ROM to C6802? I really need this to work so i can build Lollipop based small app..
Regash said:
Hi Guys!
14.5.A.0.242 firmware released for the z ultra c6833 only the Latin region. I downloaded with flashtool and made .ftf file so you can flash it with flashtool. This is my first .ftf making so pls try it and report how it works! Thanks
Here is the link
Click to expand...
Click to collapse
You dont have to do that, people who want this have the XperiaFirm and i already have checked and are avaiable to download there!
IS WORKING FOR ALL COUNTRY:
XperiaFirm INFO:
Device: Xperia Z Ultra (C6833)
CDA: 1278-9222
Market: MENA Latin
Operator: Customized MEL
Network: GLOBAL-LTE
Release: 14.5.A.0.242 / R1D
Size: 1,16 GB
LOLLIPOP ARE HERE!!! FINNALY!
copy2050 said:
You dont have to do that, people who want this have the XperiaFirm and i already have checked and are avaiable to download there!
IS WORKING FOR ALL COUNTRY:
XperiaFirm INFO:
Device: Xperia Z Ultra (C6833)
CDA: 1278-9222
Market: MENA Latin
Operator: Customized MEL
Network: GLOBAL-LTE
Release: 14.5.A.0.242 / R1D
Size: 1,16 GB
LOLLIPOP ARE HERE!!! FINNALY!
Click to expand...
Click to collapse
Im downloading it now, it was just seeing mena latin i didnt know if it was compatible with eu networks!!
Would this work on 6802?
kidrock23 said:
Would this work on 6802?
Click to expand...
Click to collapse
maybe yes, maybe not...but for doesnt make stupid things just wait for official version for your model!
wait some hours because i know will be avaiable even today for you!
Yay! Come on c6806!
Sent from my C6806 using Tapatalk
No problem mate...will wait.......hopefully it comes out this week
Xperfir, is showing 242 for 6 markets, all 6833 (Saudi Arabia, Switzerland, UAE, Thaliand, France and Mena Latin)
post screenshots..
For those are with 6833, i have already install the update, is the 5.0.2, only "issues" i have found:
- No XLOUD on Walkman APP, but have the EQ and Clear Audio etc...
- Camera quality is worst than on 4.4.4, more granulated, if you take a picture and zoom it, is worst than ever, even worst than in my Xperia SP!!!!
- My phone is heat more than in 4.4.4, in 4.4.4 i have ~24/25º, now on 5.0.2 have 27.5/28º (nothing special i know, but it feels in hand more than before.)
Until now is only that i can see is the problems, XLOUD is not a problem, i can live without XLOUD...but Camera is something i can belive the update fck'd up!!
how is possible the camera is worst on 5.0.2??can u post some comparisons?
Just got done updating my C6806 and everything is working perfectly. I am able to use my LTE from T-Mobile as well as send and receive picture messages. Sony's Lollipop feels very smooth. I have not encountered any bugs yet.
So for the people asking if its safe to update outside of your region, the answer is yes and it works extremely well.
Trying to download with xperifirm, but every time it stops at about 15% and i can't resume, only start from 0... so... that sucks, yeah
C6833_14.5.A.0.242_MENA Latin.ftf
mirror
Root?
Gents,
Are we able to root this FW via Towelroot or other current one-root process?
Nordic handset here, rooted, Titanium. All good! :good:

Z2 unbranded German tft

Hello,
I was scrolling through here looking for a german unlocked Version for my z2.
I brought it in Australia and im just tired of waiting for Telstra to Release new Andeoid Updates.
So i wanted to Flash an unbranded Android onto my z2. I found an unbranded 23.1.A.0.690 Build. But the newest available is the 23.1.A.0.726
My question now is if i Flash my z2 with the. 690 will i be able to easyli update it to 726 Build with the Update Center?
Cheers,
Scathar
Scathar said:
Hello,
I was scrolling through here looking for a german unlocked Version for my z2.
I brought it in Australia and im just tired of waiting for Telstra to Release new Andeoid Updates.
So i wanted to Flash an unbranded Android onto my z2. I found an unbranded 23.1.A.0.690 Build. But the newest available is the 23.1.A.0.726
My question now is if i Flash my z2 with the. 690 will i be able to easyli update it to 726 Build with the Update Center?
Cheers,
Scathar
Click to expand...
Click to collapse
If you flash a different ROM, i suggest you back up your FTF. To do that, search xda how to make an FTF.
You will need to revert back to your original firmware region to receive updates for that region or flash FTF via flashtool
Quote me in case you expect a reply!
Good Luck

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