[Q] Which version of flashtool to use with z3 (model D6603)? - Xperia Z3 Q&A, Help & Troubleshooting

Just wondering what version of flashtool I need to use to flash to my Z3 (I want to root after downgrading firmware) but I noticed the flashtool thread said that due to 'boot bundles' sony uses now I have to use a specific version of flashtool?
Can someone confirm which version works fine?
Cheers

I just downloaded and installed the latest Flashtool and it worked fine.

I've used the last couple versions no issue

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[Q] Can't find updates for android 4.4.4

Hello. My xperia m2 says that there are no updates and the phone is up to date but it's with android 4.4.2. Theres 1 secound delay in the sound when I play games or use downloaded apps like youtube also the audio doesn't sound very good. To fix that I need to update the android version but I cant. I connected the phone to my computer and updated it with sony PC companion but the version is still 4.4.2. What should I do? I don't want to use flashtools or anything. I think it's the phone's fault for that and I should give it back to the place where I bought it so they can fix that. The phone is brand new and they already changed my camera because it wasn't working. So what should I do?
I suppose it has to do with the Country of your phone and/or if it is branded. IF after using PC Companion it's still with 4.4.2 I'm afraid your best (and only) option is to use Flashtool. Not sure how it works if it is branded though, you may need to to something to be able to de-brand it.
Well, actually try first to check if 4.4.4 is available in this way:
- Dial *#*#7378423#*#* (*#*#service#*#*)
- Check the number in Service Info/SW Info/Customization version. You just need the xxxx-yyyy part
- Downdload and install Flashtool (it's small. You just need it for checking)
- Run Flashtool
- Go to Devices/Check Updates
- Select your phone double clicking on the id xxxx-yyyy you have got before.
- If the version is 18.3.C (like the one for 3 UK) there is no 4.4.4. the latest ROM is 4.4.2. It must be 18.3.1.C for 4.4.4
My is branded from T-mobile, and i flashed CE ftf to debrande, everything is good except i don't have extra apps that T-mobile puts in. As i know your safe flashing ftf cos it's official Sony's software, just using Flashtool instead of PC Companion and you won't lose warranty, as long as you don't unlock bootloader.
Good Luck.
Xperia M2 D2303 on K.K. 4.4.4
Do I install the flashtool on my computer or on my phone?
foxymount said:
Do I install the flashtool on my computer or on my phone?
Click to expand...
Click to collapse
Obviously on the computer. It's needed to flash the phones from it. Just google it, you find it immediately. Then if you decide to flash a generic 4.4.4 FTF just search around. There are dozens of guides in the Internet.
Alright thanks for your support guys

Can't flash new firmware with flashtool

Hi,
I bought my Z5 online and I am living in Germany, my Z5 has a spanish firmware. I would like to flash it to the customized_DE firmware, but flashtool always stops at the same location (Max packet size set to 4096K). I read somewhere else that it works when you're using an older version of flashtool, but there it stops at flasing loader.
Does anyone have the same error and found a solution?
Many thanks to all!
Use the latest flashtool available
download ftf file through xperifirm
if you are using windows 8.1, disable usb verification enforcement
change compatibility on flashtool from windows 8 to windows 7
for more, use google, and you are doing this on your own risk
Had the same problem because I was using an old version of flashtool. Ended up finding the righ place to download it on flashtool.net.
Which version are you using?

Trying to update my Z3 (d6616) to 6.0.1

I've been trying all day to get this to work. I've tried different firm builds and three different versions of Flashtool. I did this no problems with my old Z1.
I keep getting the same error no matter which firmware I use:
11/009/2016 01:09:35 - ERROR - root : this bundle is not valid
Currently using
No root, stock phone running 5.0.2
Flashtool Version 0.9.19.8
I have tried all of these firmwares...
D6603_23.5.A.0.575_1288-7827_R4D.ftf
D5803_23.5.A.0.575_1289-7524_R5D.ftf
D6646_23.5.A.0.575_1299-7736_R2D.ftf
I've also tried creating my own .ftf but same thing.
Any ideas?
Do I need to downgrade to a specific version first?

Trying to update Z3 (d6616) to 6.x

I've been trying a few days to get this to work. I've tried different firmware builds and three different versions of Flashtool. I did this with no problems with my old Z1 and Z2...
I keep getting the same error no matter which firmware I use:
11/009/2016 01:09:35 - ERROR - root : this bundle is not valid
Currently using
No root, stock phone running 5.0.2
Flashtool Version 0.9.19.8
I have tried all of these firmwares...
D6603_23.5.A.0.575_1288-7827_R4D.ftf
D5803_23.5.A.0.575_1289-7524_R5D.ftf
D6646_23.5.A.0.575_1299-7736_R2D.ftf
I've also tried creating my own .ftf but same thing.
Any ideas? Do I need to downgrade first? I've never had any issues before.

[HELP] Flashtool 0.9.23.2 not showing FTF files

Hello fellow Xperia users/developers,
I am trying to flash my Xperia z5 (E6653) which had its motherboard replaced yesterday. It is still in lollipop so I decided to update it to nougat. However, PC companion identifies my phone updated while its not. So I decided to flash it manually instead. I downloaded the FTF file from Xperifirm with the build no. 32.4.A.0.160 / R1E. The problem it the 0.9.23.2 version does not identify FTF files even I checked its file location properly. I searched in this forum that old versions works. I tried downloading the 0.9.18 (I think) and it really identified the FTF. However I received an error message regarding the TA thing to find out that this error might be due to only 0.9.23 versions supports nougat FTF.
So my concern is, how can I have my FTF file identified by 0.9.23? Because I can't use my phone right now. I hope someone might help me. Or give me an alternative to flashtool if there's any.
Thank you.
Redownload file ftf again with a stable connection..
Hello, what if I still dont see the ftf after redownloading?

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