[Q] Up International for Z1 T-Mobile - Xperia Z1 Q&A, Help & Troubleshooting

I have a Z1 T-mobile but i don't contentment with it's Stock rom. So i want some guys terll me how to up International rom for my Z1 T-mobile(z1s)! thank you very much!

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[Q] Sony Xperia Z Official Carrier Firmware

Hello all!!
I am after the official carrier firmware for my Sony Xperia Z C6603. I bought my Xperia Z from my friend and it had O2's branding all over it, so I debranded by flashing the stock firmware but when I come to make an in-app purchase or buy something from the Google Play Store, it will only let me use my credit/debit card instead of "Bill My Vodafone Account".
Now before my Xperia Z I had the Galaxy Note 2. I had the exact same issue with it until I found the firmware for Vodafone and flashed it with Odin. Once it was flashed with the PROPER carrier firmware, it allowed me to "Bill My Vodafone Account"
So what I am really asking for is if some kind sweet would be able to upload maybe an .FTF file or a link to a site where I can download the Vodafone Carrier Firmware for the Xperia Z C6603. I would much appreciate it thanks!
Here, Stock Firmwares spoiler
This doesn't really help me out here... I need Vodafone official Firmware not unbranded... Actually want Vodafone on my Xperia z

[Q] is booting 4.4.4 on zperia z (6606) stable?

Hi. Can someone advice me on this one? I have a tmobile xperia z(6606) and they have not yet released the new firmware for any of the xperia model so im deciding to rooting my sony (6606)..but the prob is all i see are firmwares for the 6603 model, if i boot that firmware to my model which is the 6606 will it be stable and safe? I have rooted 4.4.3 (6603) on my phone before tmobile released theirs but sometimea my phone just restarts by itself..so if anyone can advice me on this you are awesome. And thank you for ur time

[Q] Deleting country-based ROM

Hello,
I am from Slovakia and I bought Sony Xperia Z3 Compact today.
It contains branded ROM including apps and sounds of T-mobile from Poland.
I would like to install clean (international) ROM with Sony Xperia only apps or other kind of debloated ROM.
Could someone help me to do this or point me to any tutorial for it? I would prefer to do so without root.
Thank you in advance
I'm such a noob:
http://forum.xda-developers.com/z3-compact/general/ref-roms-guides-tutorials-faqs-t3035066

Xperia Z1 Docomo (Japan) - How to upgrade firmware?

I have bought a used xperia z1 docomo so 01f. It's the same as any other Z1 except it's from a japanese carrier. It is running on jellybean 4.2.2, i wish to upgrade it to lollipop 5.1.1.
OTA is not working obviously. I can't seem to find much help regarding the upgrade on the internet either.
I'm now thinking about flashing a american carrier rom on it via flash tool (atnt, tmobile, etc). Would that work?
Otherwise the other option would be to flash a lollipop custom rom...
Any help would be appreciated.

Sony zr c5503 docomo Upgrade >6 International ROM help ?

I have a sony zr c5503 phone from japan. Now I want to upgrade it to the international rom, do you have any way to help me?
Note: I live in Vietnam.

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