[Sony Xperia ZR] o-l-a-v:
Older FW available in 2nd post

(STOCK & PRE-ROOTED) 10.5.1.A.0.292 for C5503 & C5502

- These files where made/ obtained using XperiFirm, FlashTool, PRFCreator v0.7, [NUT]s ZR-lockeddualrecovery2.7.154-BETA and SuperSU v2.37.

- Hashed with Nirsoft Hash My Files

- Firmware version: 10.5.1.A.0.291 / Android 4.4.4

FTF stock

- FTF is stock 10.5.1.A.0.292 firmware. Flash with FlashTool

- NB!: You will loose root (If you have it). This FW can be rooted though.

C5503 - 4G version -> KERNEL ONLY .ftf

Baltic Generic (BAL) - https://mega.co.nz/#!i1RDQYjJ!wU52lfp7gxuVBnFm07OzCqfsn91BPjcFRHW6czx2nZc - MD5: 3f7f3116d2c472ef7d6a135d8eb4c17f

Nordic Combined (NCB) - https://mega.co.nz/#!Dox0XYgZ!LK4qPujGvL5iWYKYtRbJHp9guV7wpo8YlJP8FcOQOyw - MD5: f097d1804c3bd24d4ee3660c3c7b0005

Russia (RU) - https://mega.co.nz/#!20olxRJJ!JUVfghvn3FsaOKmlOlicfKOSi8pTvb4Rwb4oTcoYlXM - MD5: c777914757a6efcb8ca57a25e37dbf42​

C5502 - 3G version -> KERNEL ONLY .ftf

China (CH) - https://mega.co.nz/#!vkBWWaTL!EBqS3NxTMiKHLf0ifOj8uyxsVgk_kBZp3qOYtx-jgFo - MD5: f3e9e93a4d97955bfda0122a6e322011​

How to root 10.5.1.A.0.292: http://xdaforums.com/xperia-zr/general/guide-how-to-root-10-5-1-0-283-t2873841

Use these 10.5.A.0.230 kernels for rooting: C5502 | C5503 (FTFs with kernel only)​

Pre-rooted ZIP

- .zip is pre-rooted with PRFCreator v0.7, and includes SuperSU 2.37, and ZR-lockeddualrecovery2.7.154-BETA.flashable.zip.

- I ticked to include Kernel, FOTAKernel, Modem and LTALabel. I did not tick "sign zip".

If recovery don't work after flash, simply flash recovery using NUTs ZR-lockeddualrecovery installer.zip: http://nut.xperia-files.com/. You will already have root and SuperSU installed, so use option 1!

C5503 - 4G version

Baltic Generic (BAL) - https://mega.co.nz/#!HoRVCI5Y!TXD0_woNg0sA3pt54KQzUMHRRYX5MToa9FO1yO0HPvU - MD5: 2c14ba2adea9c9e455a4f64169752beb

Nordic Combined (NCB) - https://mega.co.nz/#!T0g2SIRS!3uZV5iTG5818L74J9sT9BhI7zjbkPwlWCY913bWZ7Ec - MD5: 77ddf96dcf316a8db0b40b5a4683583b

Russia (RU) - https://mega.co.nz/#!7kgDiYBR!92iqk2aWDQaRj-bB_L-MCX34ZgPcfvnrjyskw-efFkM - MD5: 1a68d92c08e89fceb680c519d1c0d7ac​

C5502 - 3G version

China (CH) - https://mega.co.nz/#!ilQ3CKKb!P0oYzOSFY70-m-4iUOWUDit73SwGglTZWHChIBOxNR8 - MD5: 4feb92aa694005bd3828282ddc70a7d4​

To install you need root and NUTs dual recovery installed: http://xdaforums.com/showthread.php?t=2261606.

Unlocked bootloader is not needed.

Deodex your rooted ROM with this ZIP: https://mega.co.nz/#!LhQixbKY!iKy--TWhcX_l5JD-AnEnWvJondJnbBbo016J8NAkvqc​

Make ftf and/ or zip yourself

1.0 | Download and set up XperiFirm, FlashTool, PRFCreator, SuperSU and NUT Dual Recovery flashable for ZR

2.0 | Start Xperifirm. Choose your phone and your cda. Download the firmware.

3.0 | FTF? Start FlashTool.

3.1 | Select Tools -> Bundles -> FILESET Decrypt

3.2 | Find the folder where you downloaded the firmware. Choose it.

3.3 | Choose to decrypt all the files in the folder. Add all elements from the left list to the right.

3.4 | After this the "Create ftf" will show. Select all the files from the left list, take them to the right. Fill in model number, cda and fw version.

3.5 | Now the ftf is located under ".../FlashTool/Firmwares".

4.0 | Pre-rooted Zip? Start PRFCreator

4.1 | Load the ftf you just made, supersu.zip and dualrecovery.zip. Choose to include: Kernel, FOTAKernel, Modem and LTALabel.

4.2 | After it's done flashable.zip is located in the same folder as PRFCreator.exe.
​

F.A.Q

I have rooted .230/ .283. If i flash pre-rooted on top, will I loose my data?

No, you won't

I can't access Mega, please upload it somewhere else!! / The firmware I want is not listed!!

I can't spend hours of uploading (slow connection) for every request i get. I only wanted to mirror some of the most common FW's, not all of them.

Making these files is very, very simple. Do it yourself! :) (Look above for a guide)

Can I root .291?

Yes you can <- Follow this guide (works for 291 too)
​

Enjoy! And a "thanks" is appreciated ;)