[Upgrading, Modifying and Unlocking] ghost45:
Root Section.

Software section

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OFFICIAL FIRMWARE ZP990 20130904-102950:

https://mega.co.nz/#!r9JgAJ6I!aEjhO2ZxgqsZykyTOkvNO2Ngd5MlLquUGXGoMnCHfKU

Custom Firmware Xperia Rom By Ghost45:

http://xdaforums.com/showthread.php?t=2470782

OFFICIAL FIRMWARE ZP990 20130818-102950:

https://docs.google.com/file/d/0B5Hi0SWKOO04QjFvUml4R0NqVFk/edit?pli=1

or

http://www.4shared.com/rar/IfnhObIG/ZP990_130818_SET.html

RECOVERY CWM vers 5 (only for this phone):

http://www.4shared.com/file/mizPFCwo/recovery_cwm_6032_zp990.html

For increase your primary partition

http://xdaforums.com/showthread.php?t=2455850&nocache=1

Root Section

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Procedure:

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1) Copy superuser.zip in your sd card.

last version 1.51

http://www.4shared.com/zip/jLZckTwA/update-supersu-v151.html

2 ) Unpack Flashtool version for quad core in a folder

New version of flashtool SP_Flash_Tool_v3.1312.0.150

http://www.4shared.com/zip/RHJJa1Qx/sp_flash_tool_exe_v313160150.html

3 ) Run Flashtool and select only two files:

a) the famous scatter file

b ) Also choose the file recovery

( or TWRP recovery of cwm that previously had to be copied to the firmware folder )

CWM recovery vers.5 only for zp990

Now make sure that you select only these two files

The phone must be in the mode 'of off .... if you want to be thorough , you can also remove the battery and put it back but always in a position to phone off

Now click on "download" in the program Flashtools .

Now you can connect the USB cable to the phone ( the phone that is always on repeat off ) .

You will see that she will send fleshtool ' messages of some colored bars and then we give ' a ok with a green circle !

4 ) Now you have your phone with the recovery changed but have not yet completed the process of root because ' lacks the manager that it would be superuser permissions !

We must enter the mode ' recovery !

On this phone to enter the mode ' of recovery we will need ' the program MTKDROIDTOOLS :

download it here:

version 2.42 http://www.4shared.com/rar/SIZQYYL3/...ools_v242.html

version 2.48 http://ge.tt/2yL21VT

In the model zp990 not possible to enter the mode '' ' recovery using the volume + and Power at the same time , so we need this program!

That works, but only in certain circumstances ( usb cable plugged in and charging) .. but we will use mtkdroidtools .

Turn on the phone and performed by Droid pc tools , and connect the USB cable to the PC to recognize our zp990 had previously been downloaded

drivers ( first page ), or (more ' simple ) download snappea ( program to recognize the pc all phones ) from snappea.com .

5 ) Please reboot into recovery mode and step into the ' recovery of cwm or TWRP as the following photos :

Look the two photo attached::good:

6 ) Now you are in recovery changed where you can perform a myriad of programs and tools upgrades and also make a backup , so that if you have a configuration

all yours and come out ' a new firmware you just have to update the firmware to reinstall the recovery of cwm in this case and reinstall your backup.

Proceed with the installation of the operator permits root ( superuser ) .

You must select with the buttons Volume + or - install zip file from sd card

Esternal then install zip from sd card and select superuser ..... you have on your sd ( you would have to copy the first operation ) and run with selection yes !

At this point you back ....... .... reboot and return to the Android phone will find the program superuser !

7 ) Do you have root privileges .... so be careful because you might accidentally delete system files and then have a phone lock !

So much attention to what you do!

At this point you have to choose the program from the market that you will ' get to the root ... I use Root Browser ( Android icon black pirate with eye patch )

Procedure with Eroot :

( tested by Buonsala )

I wanted to show you this simple procedure for the root , and I think it 's easier than indicated .... (I'm only advice I will not go against anyone !)

1 ) On your phone enable USB debugging ( settings - Developer options )

2 ) download and install the drivers published at the beginning of this discussion

3 ) eroot downloaded from here:

eroot_v1.3.4 - Download - 4shared - Nabeel Moderator

4 ) eroot extract and run ( with the phone connected to USB)

5) If eroot identifies your model ( ZP990 will come out in a big first screen) press the green tasro ROOT , wait steps

6 ) at the end reboot and you will have root!

We are now in one easy step to install the CWM (having the root) with 2 simple steps:

1) download the CWM ( the img file posted at the beginning of the debate) and copy it to the SD card of the phone ( no matter whether internal or external)

2 ) download and install to play store uncle Mobile processors for mtk

3 ) Open Mobile uncle and meu ' go to " recovery update" - MobileUncle will automatically find the file that you placed on the SD , and everything will be installed , now from here you can also reboot into recovery.