[Sony Xperia Z Ultra] hamdogg:
The purpose of this thread is to provide a place where we can download the latest stock firmware.

These are official releases by Sony, bundled by XDA members, with no mods...

[youtube]4QkTp7cqn3c[/youtube]

You can use the following software to flash this 'update'

- Flashtool Download LINK

[MENTION=4340984]krabappel2548[/MENTION] has a tutorial and guide on how to use Flashtool Click here for LINK

Procedure

1. Use 'flashtool' to flash the update FTF file

2, Device will bootup.

3. Within your device, navigate to settings/backup & reset

4. Select 'Factory data reset' (increases stability)

Key:

TW- Taiwan

CE- Chile

EU - Europe

GM - Germany

VN - Vietnam

SG - Singapore

MY - Mayalysia

NZ - New Zealand (possibly Hong Kong base)

IN - India

Generic (International language input)

Specific (Country language specific)
​

C6802 R O M 'S (HSPA+)​

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LATEST

Release: June 2014

[STOCK ROM] [FTF] Xperia Z Ultra (C6802) 14.4.A.0.108 "Generic MY"

mega Click here for LINK Thanks to: [MENTION=3574114]xDragonZ[/MENTION]

Release: April 12th

[STOCK ROM] [FTF] *Xperia Z Ultra (C6802) 14.3.A.0.757 *"Ukraine"*

Drive Click here for LINK

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Release: March, 2014

[STOCK ROM] [FTF] Xperia Z Ultra (C6802) 14.3.A.0.681 "Generic HK"

MediaFire Click here for LINK

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ROM LIBRARY

Release: Jan, 2014

[STOCK ROM] [FTF] Xperia Z Ultra (C6802) 14.2.A.1.136 "Generic NZ"

mega Click here for LINK

Thanks to: [MENTION=3534362]blueether[/MENTION]

[STOCK ROM] [FTF] Xperia Z Ultra (C6802) 14.2.A.1.136 "Generic VN"

DROPOBOX Click here for LINK

Thanks to: [MENTION=5711360]hainamhdd[/MENTION]

[STOCK ROM] [FTF] Xperia Z Ultra (C6802) 14.2.A.1.136 "Generic VN"

COPY Click here for LINK

Thanks to: [MENTION=5711360]hainamhdd[/MENTION] mirror??

Release: December 13, 2013

[STOCK ROM] [FTF] Xperia Z Ultra (C6802) 14.2.A.0.290 "Generic"

mega Click here for LINK

Thanks to: [MENTION=4955229]stiggy2012[/MENTION]

[STOCK ROM] [FTF] Xperia Z Ultra (C6802) 14.2.A.0.290 "Generic IN"

Dev-host Click here for LINK

Thanks to: [MENTION=4393033]warfareonly[/MENTION] & [MENTION=655433]LordManhattan[/MENTION]

Release: October 15, 2013

[STOCK ROM] [FTF] Xperia Z Ultra (C6802) 14.1.B.2.257 "Generic CE"

mega.co.nz Click here for LINK

[STOCK ROM] [FTF] Xperia Z Ultra (C6802) 14.1.B.2.257 Generic MY

Click here for LINK

Release: September 14, 2013

[STOCK ROM] [FTF] Xperia Z Ultra (C6802) 14.1.B.1.532 "Generic HK"

Google Doc's Click here for LINK

Release: August 15, 2013

[STOCK ROM] [FTF] Xperia Z Ultra (C6802) 14.1.B.1.510 "Generic TW"

Google Doc's Click here for LINK

C6843 R O M 'S (HSPA+)​

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[STOCK ROM] [FTF] Xperia Z Ultra (C6843) 14.2.A.1.136 "Generic BR"

mega Click here for LINK

Thanks to: [MENTION=4972043]dbolivar[/MENTION]