how can I back concept to stock rom? - Xperia Z3 Compact Q&A, Help & Troubleshooting

my pc it can't recognize my z3c d5803

Search for Emma Flash Tool Sony... This surely will recognize your D5803...
EDIT: go for this...
https://talk.sonymobile.com/t5/Andr...ony-Flash-tool-for-Xperia-devices/td-p/307318
Greets ted!

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new ROM in sony xperia z

is there anyone who can help me to put a new ROM in sony xperia z
it go wrong for me every time I try it go dead every time I try
to update again via the Sony PC Companion 2.1
What can you recommend rum
bhaldborg said:
is there anyone who can help me to put a new ROM in sony xperia z
it go wrong for me every time I try it go dead every time I try
to update again via the Sony PC Companion 2.1
What can you recommend rum
Click to expand...
Click to collapse
I'd recommend you to use the Flashtool and flash the original base ROM via .ftf file.
Read the sticky guides in the Troubleshooting and Development areas. If you try to flash a rom and it goes wrong I would reccomend using flashtool to just go back to stock and start over, flashing them on top of each other can create issues and make it hard to pinpoint where you went wrong.
Are you locked or unlocked bootloader? If locked you can only run roms designated as such.
Are you on the same firmware that the rom you want was based on? If not, get the.ftf file for that, flash it in flashtool, thenn root..recovery..then try your rom, a lot of them dont like it if you are cominy from a different firmware.
Get real comfortable using flashtool before moving on to the custom rom, so that you know its set up right, and that you can change fw, flash radios, etc smoothly. Finally.delete the sony companion from your pc, and only install it if you run into an issue you cant solve by reverting to stock with flashtool.
i send my unlocked and water damaged Xperia Z to the service center here in Germany.
The Water indicators are all white and my phone was dead !
After 8 Days i get a brandnew Xperia Z included Charger, Smarttags Black Dockingstation and Datacable !

[Q] My Xperia T bricked Help me please

Hello,
My divice is bricked. I don't know how unbrick my phone. I have a Sony Xperia T with JB 4.1.2 and frimware .411
I try a many solution but don't work. I'm so bad....
DestroyTP said:
Hello,
My divice is bricked. I don't know how unbrick my phone. I have a Sony Xperia T with JB 4.1.2 and frimware .411
I try a many solution but don't work. I'm so bad....
Click to expand...
Click to collapse
First of all, did you try to modify it? Did you try do unlock the bootloader? Did you try to root it?
If it is just a softbrick you can easily repair it (don't worry, it's really simple). Open Sony PC Companion, Power off the phone, on Pc Companion go to "update phone/tablet" (sorry, don't have it installed in english, so it may differ). There should be an option to repair the phone. Just follow the steps it shows you
St.Jimmy90 said:
First of all, did you try to modify it? Did you try do unlock the bootloader? Did you try to root it?
If it is just a softbrick you can easily repair it (don't worry, it's really simple). Open Sony PC Companion, Power off the phone, on Pc Companion go to "update phone/tablet" (sorry, don't have it installed in english, so it may differ). There should be an option to repair the phone. Just follow the steps it shows you
Click to expand...
Click to collapse
I try a custom rom after my device don't work.... My device is rooted and I don't know if my xperia have a bootloader unlock or lock...
I try already pc compagnon and service update but don't work because my laptop don't find . And my cell phone charger don't work too...
Hold volume up and power together until it vibrates a total of 4 times. Then open update service and select your phone then follow the instructions
Sent from my LT30p using XDA Premium 4 mobile app
DestroyTP said:
I try a custom rom after my device don't work.... My device is rooted and I don't know if my xperia have a bootloader unlock or lock...
I try already pc compagnon and service update but don't work because my laptop don't find . And my cell phone charger don't work too...
Click to expand...
Click to collapse
Which custom rom did you try? If you tried Cyanogenmod, or any other which requires an unlocked bootloader, and you didn't unlock your bootloader you'll have a problem
DestroyTP said:
Hello,
My divice is bricked. I don't know how unbrick my phone. I have a Sony Xperia T with JB 4.1.2 and frimware .411
I try a many solution but don't work. I'm so bad....
Click to expand...
Click to collapse
There us very little we can advise you to do with such limited information you have given us...
Please tell us exactly what you did, exactly what you flashed and exactly what the symptoms are. The more information the better,
flash ftf file
you flash stock rom ftf via flash tool is ok. Sorry i not enough 10 post because not see link for you

[Q] Troubles with PC Companion

Hey all,
I recently got my Xperia SP and I tried a few custom roms, but for now I want to stick to the stock rom until 4.3 is released. I used Sony's PC companion tool to revert back to the stock rom before (if I wanted to try a new rom), but suddenly I got the message that PC Companion is not supported by Windows 8 anymore (which seems really odd) and it detects my device as a C5302 instead of a C3503 (this happened after flashing this rom: HonamiUltraizeD - White Edition)...
Does anyone know what could have happened, or how to revert it?
And if I revert back to the stock rom using the Companion tool with repair support, does that give me a stock phone that has no traces of being rooted or used whatsoever?
Thanks for your help guys!
Greetings,
Rayquinox
Rayquinox said:
Hey all,
I recently got my Xperia SP and I tried a few custom roms, but for now I want to stick to the stock rom until 4.3 is released. I used Sony's PC companion tool to revert back to the stock rom before (if I wanted to try a new rom), but suddenly I got the message that PC Companion is not supported by Windows 8 anymore (which seems really odd) and it detects my device as a C5302 instead of a C3503 (this happened after flashing this rom: HonamiUltraizeD - White Edition)...
Does anyone know what could have happened, or how to revert it?
And if I revert back to the stock rom using the Companion tool with repair support, does that give me a stock phone that has no traces of being rooted or used whatsoever?
Thanks for your help guys!
Greetings,
Rayquinox
Click to expand...
Click to collapse
You just need to find FTF for your Xperia SP and flash it via FLASHTOOL. You can find both in general/development section.
To work with PC companion, you will need to relock bootloader if unlocked and you will need to revert back to STOCK ROM.
If you still have any queries, do not hesitate to ask!
Hnk1 said:
You just need to find FTF for your Xperia SP and flash it via FLASHTOOL. You can find both in general/development section.
To work with PC companion, you will need to relock bootloader if unlocked and you will need to revert back to STOCK ROM.
If you still have any queries, do not hesitate to ask!
Click to expand...
Click to collapse
thanks for the reply!
My bootloader is still locked, and I used the PC companion before to restore the settings (with the repair tool) on custom roms: that is not the problem... I can't use the repairtool on Windows 8 is what bothering me. And regarding the FTF files, do I need to get the files for a C5303 or a C5302 now?
Again, may thanks
Rayquinox said:
thanks for the reply!
My bootloader is still locked, and I used the PC companion before to restore the settings (with the repair tool) on custom roms: that is not the problem... I can't use the repairtool on Windows 8 is what bothering me. And regarding the FTF files, do I need to get the files for a C5303 or a C5302 now?
Again, may thanks
Click to expand...
Click to collapse
You will need to use FTF for your phone, the one on your box /region. if you remember which one you had is perfectly normal. Both versions have everything same but basebands. Flash any while skipping basebands in flashtool will work perfectly too.
Usually your phone model is in settings about phone,however flashing roms can change it as they replace build.prop.
Flashing will remove all your data /root/recovery.
As far as windows 8 is concerned, try reinstalling pc companion.
Another trick is to go into properties of pc companion on pc n select run application in windows 7 etc.
good luck

[SOLVED] Unbrick c5303 possible?

Hey Folks,
Yesterday I came accross a new firmware for my C5303 (Stock) Rom. Problem was, something went fishy on my computer and the upgrade process went south midways.
Probelm being: I have neither rooted, nor unlocked the bootloader.
Is there a way to unbrick? Unfortunatelly I have learned, that appart from other SONY devices, the SP is not so peachy when it comes to custom roms.
Current state:
The device is not recogniced by the flash tool of Sony, or the suite.
Could someone point fingers where to look for a solution?
You will have to flash an FTF file using "flashtool".
A search on this forum will surely point you in the right direction.
There are already plenty of guides.
Good luck!
kevke said:
Hey Folks,
Yesterday I came accross a new firmware for my C5303 (Stock) Rom. Problem was, something went fishy on my computer and the upgrade process went south midways.
Probelm being: I have neither rooted, nor unlocked the bootloader.
Is there a way to unbrick? Unfortunatelly I have learned, that appart from other SONY devices, the SP is not so peachy when it comes to custom roms.
Current state:
The device is not recogniced by the flash tool of Sony, or the suite.
Could someone point fingers where to look for a solution?
Click to expand...
Click to collapse
I bricked mine yesterday at 11 pm,couldnt sleep right cause of the panic. xD
My C5303 has a LOCKED BOOTLOADER too,and I was stuck at the SONY logo.
I downloaded Flashtool.
I installed Flashtool.
This procedure is neccessary in order to install fastboot/flashmode/adb drivers.If you already did it,skip it.
If ur on windows 8,move ur mouse coursor to top right of the screen,a toolbar will appear.
Then click SETTINGS.Then click CHANGE PC SETTINGS.When it opens,select UPDATE & RECOVERY.Select RECOVERY.Select ADVANCED STARTUP.When it reboots,you will see a blue background and an option,i think it is TROUBLESHOOT,anyways,look for DISABLE DRIVER SIGNATURE VERIFICATION.But as I remember,i was put with a choice of selecting a number,and i pressed 7-DISABLE DRIVER VERIFICATION.
The PC will boot like nothing is changed,but now u can install the drivers.
Go to Flashtool/drivers and open the installation program
Select "Flashmode drivers","fastboot drivers" and "common drivers for Viskan board(these are the ADB drivers ONLY for the Xperia SP)"
The PC will ask you to allow the driver installation,allow all of them.Reboot ur pc again,and connect ur phone in flashmode for the pc to link the flashmode drivers to ur Xperia SP,then u can begin.
Download this firmware FROM THIS LINK
http://www.xperiadownload.cz/phocadownload/userupload/download/2013/SP/C5303_12.1.A.1.205_CE.rar
extract the ftf file with any rar program,then move the .ftf file to the FIRMWARE folder in the directory where flashtool is installed,mine is C:/Flashtool.move the .ftf file into (DRIVE):/Flashtool/firmwares
Open Flashtool,select Flash with Flashmode,wait for the program to say that u can connect ur xperia sp with the PC.To enter Flashmode hold the Volume DOWN button while connecting the phone to the PC.
I reccommend using the SONY cable,as i have a feeling it is the best one for these things.
Let Fashtool flash everything,do not touch the device at all until the Flashtool allows you to do so.
Here mate
http://forum.xda-developers.com/xperia-sp/general/root-ultimate-noobs-guide-to-rooting-t2845520
Thanks for all the answers so far...
I figured, taht in the flashtool the firmware for the device is not listet, although it is in the respektive directory. am I blind, or am I missing something?
It however does offer a X10 installation, what ever that is, when it is at home
Look for an FTF file on this forum.
Make sure you download and flash the correct one!
kevke said:
Thanks for all the answers so far...
I figured, taht in the flashtool the firmware for the device is not listet, although it is in the respektive directory. am I blind, or am I missing something?
It however does offer a X10 installation, what ever that is, when it is at home
Click to expand...
Click to collapse
I have found this source: http://xperiafirmware.com/8-firmware/37-sony-xperia-sp-c5303
It is recognised by the flash tool and therefore, I believe it works well... I'll keep you folks postet... FINGERS CROSSED
Okay folks, you can uncross your fingers... Thanks to all of you, the call is back to life!

[Q] Can't update firmware due to 'changed software on this phone'

Dearest XDA'ers,
i have the problem that I can't update my phone using pc companion to lollipop. I always get the error "This phone contains changed software".
A few months ago I actaully did install custom ROMs but I changed it back to original software using Emma bc pc companion didn't work anymore.
I hope someone can help me and that is thread is useful to other people like me
Thanks in advance!
bludsugah said:
Dearest XDA'ers,
i have the problem that I can't update my phone using pc companion to lollipop. I always get the error "This phone contains changed software".
A few months ago I actaully did install custom ROMs but I changed it back to original software using Emma bc pc companion didn't work anymore.
I hope someone can help me and that is thread is useful to other people like me
Thanks in advance!
Click to expand...
Click to collapse
thats because you have unlocked your bootloader. You can use flashtool to Lock your Bootloader and then use PCC, or simply use flashtool to flash the full FTF with Unlocked bootloader.

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