[Root] 5.1.1 Lollipop Xperia Z Ultra C6833 14.6.A.0.368 Customized DE

** DISCLAIMER: I AM NOT A DEVELOPER. I DO THIS AS A HOBBY AND SHARE MY FINDINGS IN CASE SOMEONE ELSE FINDS THEM USEFUL. **
** THIS WORKED ON MY DEVICE BUT IT MAY NOT WORK ON YOURS. APPLY AT YOUR OWN RISK **

Requirements:

Flashtool 0.9.18.0. Important: Do not use Flashtool 0.9.19.0.
Rooted XZU on Android version 5.0.2 with custom recovery installed.

This works on locked or unlocked bootloaders and any customization.

Download link:
My Mega account just broke down. I'll upload new links in the next few hours.
Mega
https://mega.co.nz

Instructions for upgrading without root:

1- Back up your internal SDCARD and your apps.
2- Download C6833_14.6.A.0.368_customized_DE.ftf
3- Open Flashtool 0.9.18.0 and click on the flash icon. Choose flash mode.
4- Navigate to where you saved C6833_14.6.A.0.368_customized_DE.ftf and flash this ftf with your phone in flash mode. I recommend wiping apps and cache and data. To put your phone in flash mode, hold the volume down button when it is off and connect with the USB cable to the PC.
5- Reboot.

Instructions for upgrading with root:

1- Back up your internal SDCARD and your apps.
2- Download C6833_14.6.A.0.368_customized_DE.ftf and 5.1.1_system.zip.
3- Copy 5.1.1_system.zip to your phone's internal SDcard.
4- Reboot to recovery and install this file.
5- Turn the phone off.
6- Open Flashtool 0.9.18.0 and click on the flash icon. Choose flash mode.
7- Navigate to where you saved C6833_14.6.A.0.368_customized_DE.ftf. Exclude system partition and flash this ftf with your phone in flash mode. I recommend wiping apps and cache and data. To put your phone in flash mode, hold the volume down button when it is off and connect with the USB cable to the PC.
8- Reboot.

[FTF] Xperia Z Ultra C6833 5.1.1 Stagefright fix firmware files

The Sony Xperia Z Ultra is a 2013 high-end phablet designed and manufactured by Sony Mobile.
Codenamed Togari and marketed as "the world's slimmest Full HD smartphone", it is the first phone that allows users to take notes or draw on with a regular pen or pencil.
Like the Sony Xperia Z and Z1, the phone is dust protected, low pressure water jet protected, and waterproof, allowing immersion under 1.5-metre of water for up to 30 minutes (IP55/58), as well as shatter-proof and scratch-resistant, making it the world's thinnest IP certified smartphone.
Pre-requisites:

• Before we go any further, Please check your phone model number by going to Settings -> about phone -> Model number, If yours match this Number C6833 Then you are good to go.


• Make sure your phone's battery is above 50% charge.


• Original USB cable.

How to update your Sony Xperia Z Ultra C6833 to Android Lollipop 5.1.1?

• To make sure Sony drivers will install properly on your PC, Download the latest version of Sony PC Companion from here and install it.


• Download Flashtool from here and install it.


• Download Sony FTF file from one of the links provided below :

Generic Europe (Customized EU) AndroidHost - AndroidFileHost
Generic Germany (Customized DE) AndroidHost - AndroidFileHost
Generic Australia (Customized AU) AndroidHost - AndroidFileHost
Generic Middle East & N Africa (Customized MEA) AndroidHost - AndroidFileHost
Generic Philippine (Customized PH) AndroidHost - AndroidFileHost
Generic Singapore (Customized SG) AndroidHost - AndroidFileHost
Generic Saudi Arabia (Customized SA) AndroidHost - AndroidFileHost
Generic Russia (Customized RU) AndroidHost - AndroidFileHost
Generic United Kingdom (Customized UK) AndroidHost - AndroidFileHost

• Now go to C:Flashtool and run Flashtool.exe, Click on the Flash icon in the left, Select Flashmode and press OK.


• From the source folder in the top navigate to the folder where you downloaded the FTF file earlier and press OK.


• Select the FTF file from the Firmware menu and click Flash.


• Now wait until a window prompts asking you to plug your phone with USB cable.


• Power off your device.


• Press the volume down button and plug the USB cable, The update should begin...


• Wait until the update is completed, Unplug the USB cable and reboot your device.
  The first boot should take some time...
  Now you have successfully update your phone.

If you want an other customized version, Don't hesitate to contact us at admin@sonyfirmware.com or via our Contact page here and we will add it very soon.

XPERIA Z Ultra C6833 Android 5.1.1 FTF

I donť see link to Android 5.1.1 for XPERIA Z Ultra here in the forum (and donť see some kind of generic FTF thread), so here is official update for your phones. It is generic version, so without any problems. It is same firmware number as XPERIA Z1 Compact and XPERIA Z1. My phone is very fast after update. I add link to Z1C review with 5.1.1, Z Ultra is very similar... I am also uploading now on Mega

download - https://drive.google.com/file/d/0B1A...ew?usp=sharing

mirror -

source - http://xperiafirmware.com/8-firmware...-z-ultra-c6833

C6833 Cannot flash gpe 5.1 ports

As title says I've tried in each and every way, both scrubbers port and hybrid ROM and I keep getting update failed, I have done full wipes and used twrp, cwm, philz, tried from stock ROM from 4.4 ROMs 5.0.2 ROMs, flashed system & boot via both flash tools before and after flashing rom and still nothing... Anybody have any tips fixes or any othwr solutions???!
I am currently on crdroid rom (obviously unlocked BL)
Here's an image of the message I receive on boot


Inviato dal mio Xperia Z Ultra utilizzando Tapatalk

Z Ultra (C6833 & C6843) firmware 14.6.A.0.368 (5.1.1) certified

Hi guys, new firmware for Z Ultra (C6833 & C6843) has been certfied. It is probably 5.1.1 update and it should roll out soon. This firmware is right now certified only for Z Ultra C6833 & C6843 variants but Z1 and Z1 Compact should see certification of this firmware soon too.

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