In this guide we will see how to unlocking the bootloader. This is a simple task and most allowed by the manufacturer, therefore we will not void the warranty of our smartphones.

It is important to remember that this operation will perform a wipe of our data, this means that you should make a backup first, just to avoid losing any content.

Read Also : how to root xperia z

Why unlock the bootloader

• You can install new ROM
• It will always be possible to ROOT
• The installation of firmware version preview can be installed only with bootloader unlocked

Preliminary steps

• PC with Windows OS and USB cable for connecting the device
• Note the IMEI code of our Terminal. Simply type the code * # 06 # *
• Download and extract to a folder inside the package with drivers and fastboot usb (DOWNLOAD)
• In the case of PC with operating system Windows 8 will need to perform some extra steps. For more info see the following link
• Turn off the device is avviamolo in fastboot mode. To do this simply press and hold the Volume up button and connect it to the PC via USB cable
• At this point Windows should start searching for drivers. Let's do it point to previously downloaded drivers folder
• Once you have installed the drivers there just have to unplug the USB cable and turn on the device

Unlock the bootloader

• First of all we check our boot loader is unlocked. To do this we need to access the Service Menu by typing the code keypad * # * # 7378423 # * # *. Below we see the message unlock Bootloader allowed: Yes. This means that the bootloader is unlocked.
• From your PC go to address http://unlockbootloader.sonymobile.com/
• Read everything carefully and click at the bottom to Start unlocking bootloader, then Continue on all subsequent conditions eaccettiamo
• On the form you put our name, the first 14 digits of the IMEI of the device and our email address. Click on Submit
• You will be sent an e-mail containing our unlock code bootoloader
• We connect the device the fastboot mode (turn off your device, press and hold the Volume up button and connect it to the PC via USB cable)
• Open the Windows command prompt and let us go inside the folder previously downloaded fastboot.
• Enter now: -0x0fce fastboot.exe getvar version.If the return value is 0.5 means that the device is connected correctly
• Enter now fastboot.exe-oem unlock 0 x 0x0fceKEY replacing KEY entry code received via email
• Completed the bootloader of the device will be unlocked.

In this guide we will see how to get root rights on Sony Xperia Z, top of the range of Japanese based on the operating system Google Android. The guide works perfectly with both bootloader unlocked. Anyway you can unlock the bootloader by following our guide : unlock xperia z bootloader.

Requirements

• Sony Xperia Z with firmware unlockable (tested on firmware 10.1. d. 0.317, d. 0.322 10.1, 10.1 a. 1,350 )
• Rooting Toolkit (DOWNLOAD) with ADB driver installed

Guide

• Increase the timeout to 10 minutes display off (settings-> Display-> > 10-Minute Suspension)
• Enable USB Debugging mode (settings-> Options-> Debugging USB developer)
• Enable installing from unknown sources (settings-> Security-> unknown origins)
• We extract the Rooting Toolkit into a folder on C:\
• Close all applications that use ADB (PC Suite, PC Companion, Flashtool, etc.)
• At this point we connect the device to your PC and execute the file runme.bat
• Press Enter to start the process
• From the command prompt of your PC are the message: press the button to restore the data in your phone
• The device will launch an app. Select RESTORE data
• From the command prompt of your PC will get the message: if Restoring data is complete
• From the device type keypad the following combination: * # * # 7378423 # * # *
• Select Service Tests-> Display
• The Toolkit will run some commands
• Press the power button to turn off the display, wait a few seconds and press the power button again to turn on the unit
• On the command prompt on the PC we will see some messages, like: "transfer files to your phone part2", "installing busybox, su, Superuser, etc ..." and finally "Cleaning up"
• The device will restart automatically
• At this point we've got root right

Requirements

• You must have a micro sd, goes well with any size and speed.
• Download the Recovery "philz-touch_3.00_i9100-signed.zip" from this LINK and copy it into the external memory card.
• Download the file "Root_SuperSU.0.98-Busybox.1.20.2-signed.zip" from this LINK and copy it to the internal or external memory.

Procedure root Galaxy S2 with Android 4.1.2

1. Start the classical Recovery Samsung: from phone off hold down the VOLUME UP + HOME + POWER and wait until the Galaxy turns.
2. To move use the volumebuttons to select the Power button.
3. Select apply update from external storage.
4. Select the philz-touch_3.00_i9100-signed.zip file that you downloaded before.
5. Temporary way is loaded the Recovery Mod. This type of recovery is touch, and then to select the various items you can click directly with his finger (and use physical buttons as mentioned in step 2).
6. Enter install zip from sdcard. If the package to the root has been copied to the internal memory (sdcard) select choose zip from sdcard "internal , if copied to the external microsd choose instead choose zip from sdcard.
7. Browse to and select the Root_SuperSU.0.98-Busybox.1.20.2-signed.zip package you copied earlier.
8. On the next screen, confirm by clicking Yes –install Root ...
9. After installing the package back to the main menu and restart to reboot system now.

You will then obtain root permissions and you'll also installed the app SuperSU.

source : how to root galaxy s2 on android 4.1.2

The Samsung Galaxy Ace is one of mid-range android devices best sellers, though it is quit a lot, thanks to good performance of this product, respectable specifications and especially by the excellent quality-price ratio, the galaxy Ace did register home Samsung a good number of sales even during the last holiday season.It goes without saying that produce suitable courseware and guides on same device is almost an obligation for us green toy robot fanatics.In this guide we'll show you the steps to follow to obtainroot permissions on the galaxy ace model S5830i.Note well that"i"in the acronym.This differentiates it from the classical S5830 of which we have already drafted a guide, which is linked in the requirements below.No time to lose in chatter, we review the specific procedure.

Requirements:

1. ASamsung Galaxy Ace S5830i.You have the classic S5830? Then the guide that's right for you can find it HERE.
2. Battery at least at 80%.
3. Backup the device to avoid losing any data.
4. Root File downloadable from HERE(Thanks androidbet.netspns.org site).

Proceedings:

• Download root file previously linked to item number four above requirements.
• Turn off your Galaxy Ace S5830i.
• Riaccederlo in recovery mode.How to do it?Simple.Just hold down contemporarily volume up, more power button and Home button.If it still does not do this:After the emergence of written Samsung, continue to hold only the Home button until the definitive entry into recovery.
• As regards the recovery move menu with the volume keys and select with the Home button.
• Find the menu option"Apply update from sd card"and then select the Home button the previously downloaded file namedupdate.zip.Then the installation will begin.
• At the end of the process, the system will restart and you can enjoy the device with root permissions enabled.

Performed correctly all pasaggi above shows? Well, thanks to these you have managed to obtainroot permissionson the model S5830i ace.A round of applause to you and until next time!

Do not make the root unless you know what is

• The root procedure invalidates the warranty.
• Running this kind of procedure, the State of the device (in settings > device info > State and the counter in download mode) will be changed.
• You can no longer perform updates with Kies or via OTA.
• Difficulty level and low hazard.
• Read the entire guide before and then follow it point by point as it is and without doing anything .
• The CF-Root restores the original Samsung recovery, so If you have installed a recovery changed the Miss and you'll have to reinstall it.
• read also root galaxy s2
  

Prerequisites

• Phone Drivers installed (just the presence on the PC of the Kies suite )
• Odin Tool: download odin v3.04
  Extract the downloaded archive to a folder in C:\ (recommended) or any location of your choice.
  Es: C:\Odin\archive file.
• Latest version CF-Root: download link for Galaxy S3 I9300.
  Extract the downloaded archive into the same folder where the executable Odin
  Ex: C:\Odin\.

Proceedings

1. Start Odin (V1.83.exe Odin3 or Odin3 v3.04.exe).
   
2. Click on the button in YOUR PDA and select the package CF-Rootdownloaded (eg. CF-Auto-Root-m0-gti9300.tar.md5, the extension in your pc may be hidden).
   
   
3. Put Download Mode the Galaxy S3.
   By phone off, simultaneously press the buttons VOLUME down + HOME +POWER until the device will not turn on.
   
4. Press the VOLUME UP button to continue.
   
5. Connect the Galaxy S3 to the PC via usb cable and wait that Odin recognize the phone.
   
   
6. Start the Installer by clicking the START button of odin.
   
   
7. Wait a few minutes, your phone will restart and will automatically some operations prior tostarting final.
   
8. Now in the app drawer you'll end up with a new application: SuperSu.
   We suggest that you use only for experienced users.
   
9. The first time that a program will require root permissions, you receive the following confirmation-request message.
   
10. Download now from Google Play the free app Busybox DOWNLOAD.
    It is an indispensable tool to run some apps that require root permissions, but that is not yet included in current versions of CF-Root.
    
11. Start the Busybox installer and click the Install button.

The procedure is finished. In order todelete the root, the quickest and safest way is to reinstall over the current firmware using odin.

Have you got a Nexus S, a Galaxy Nexus or a Nexus 7 and guides for unlocking, the root andthe unroot I seem too complicated? If you, the developers of XDA-Developers you are against and have realized the Root Toolkit.

The Root Toolkit is a program with a very simple interface that allows us to perform all the changes known as:

• Enable/Disable the Root permissions
• Make and restore a Backup of data
• Install drivers and whatnot on your computer
• Unlock the device
• Reverting to the original version of the operating system
• Unlock/lock the bootloader
• Flash the Recovery CWM

As you can see via the Root Toolkit you can do almost anything by simply connecting your Nexus device to the computer and pressing a couple of buttons with the mouse.
Of course the program is free and on our Forum you can find the download and the installation guide and possible support:
Tutorial Root Galaxy Nexus
See you in another android root guide

For some of the apps presented at us, there is a basic requirement: root access. The procedure from device to device is different to a Smartphone to rooting. Our tutorial will show how to get on the Galaxy S II root access.

Who rootet his device gives you administration rights on him and can engage more deeply into the operating system. The mommy to such condition is to install of an alternative firmware (custom ROMs).

Who performs the root operation, but lose the guarantee of its Android powered device and on top of that is in danger, to make it completely unusable. All of the steps listed in this root tutorial done so at your own risk! Androidapptests.com assumes no liability for improper installation.

1. Preparation

The following programs are required to install of a super user (root):

Samsung Kies(>Download)
Odin3 Communicator (->Download latest odin)
Root kernel (special operating system kernel) for firmware installed on your Smartphone


What is Samsung Kies?
Samsung Pebble is a Samsung software for backup, synchronization, and of course the hardware installation. With it, you can sync to keep its data between Smartphone and, for example, Microsoft Office Outlook and back up his data for the case of a repair, a total loss or theft.
Samsung is required for this tutorial gravel just to provide the drivers for the phone.
What does Odin3 Communicator?

Odin3 Communicator can download entire operating systems or any part thereof from the PC to your Smartphone. Only a new operating system kernel is needed for the root of a Galaxy S2 (i9100). In the context of this tutorial, Odin is used to Flash of the kernel on your Smartphone.
Odin can revive although phones are located in the boot-loop, i.e. show Smartphones that not more fully boot up, but only the boot logo.
What is the operating system kernel exchanged?

The lowest level of an operating system is the kernel. He is responsible for the communication between hardware and software.

But still a small, but crucial additional contain the kernel from my list: include the super user. This is a kind of administrator of the Android operating system, has many additional rights that need some programs from the market.

How do I find the right kernel to my firmware?

The latest firmware of the Samsung Galaxy s II can be obtained under settings-> phone info. The last three characters of the build number (for example KG3) match the kernel version to use. In this case: CF-root-SGS2_XX_OXA_KG3- v4 1-CWM4
List the kernel to the corresponding firmware versions.

• CF-root-SGS2_XW_XEU_KE2-v4. 0-CWM4.zip
• CF-root-SGS2_XW_XEU_KE7-v4. 0-CWM4.zip
• CF-root-SGS2_XW_ODD_KE8-v4. 0-CWM4.zip
• CF-root-SGS2_XW_OJV_KF1-v4. 0-CWM4.zip
• CF-root-SGS2_XX_OXA_KF2-v4. 0-CWM4.zip
• CF-root-SGS2_ZS_OZS_KF4-v4. 0-CWM4.zip
• CF-root-SGS2_XW_CLK_KF3-v4. 0-CWM4.zip
• CF-root-SGS2_XX_OXA_KG1-v4. 1-CWM4.zip
• CF-root-SGS2_XW_MOT_KG1-v4. 1-CWM4.zip
• CF-root-SGS2_ZS_OZS_KG2-v4. 1-CWM4.zip
• CF-root-SGS2_JP_XSG_KG2-v4. 1-CWM4.zip
• CF-root-SGS2_XX_OXA_KG2-v4. 1-CWM4.zip
• To download another kernel go to xda developers thread

Root Samsung Galaxy S2 Process

After Samsung Pebble is installed, you must run Odin and connect your phone to the PC. The connection is established, IC lights: yellow on COM. Now, in addition to the button "PDA", it must specify the path to the .tar of kernel (included in the .zip). Are these preparations, it can go: Please press start.

The root process will automatically go through. Is the phone is restarted, the root is performed. Root programs such as, for example, titanium BackUp can now or use SetCPU.

Caution: at every boot of the phone a yellow warning triangle lights up now at the bottom of the screen: it indicates only that the Galaxy S II i9100 is rooted.