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How-To: Root Sony’s Xperia Z, ZR, ZL 10.5.1.A.0.283 Android 4.4.4 KitKat

Last updated: October 2, 2018.

Root Sony’s Xperia Z, ZR, ZL 10.5.1.A.0.283

The first devices in the Xperia Z line, the Xperia Z, ZR and the ZL, have been updated to Android 4.4.4 KitKat.  The new updates build number was 10.5.1.A.0.283 and it comes with some nice enhancements to battery charge time, stability and performance.  Software has been improved as well.

After this update, devices that were rooted on earlier Android versions lost their root access.  If you want to gain root access again but do not want to touch your devices bootloader, you can do so.  By doing so, your not going to lose the warranty or the DRM keys or bravia engine functionality.  Follow this guide to root. Sony Xperia Z C6602, C6603, Xperia ZR C5502, C5503 and Sony Xperia ZL C6502, C6503running latest Android 4.4.4 KitKat 10.5.1.A.0.283 firmware.

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How-To: Prepare your phone

  1. Check that this guide and your device are compatible.
    • This will only work with Sony Xperia Z C6602/3, Xperia ZR C5502/2, Xperia ZL C6502/3
    • If you try to flash a device not mentioned here, it could brick the device
    • Check that your device is one of these by going to either Settings > More/General > About Device or trying Settings > About Device
  2. Charge your battery
    • It should have at least a 60 percent charge
    • If you battery runs out before the flash operation is over, you could brick the device.
  3. Have an OEM datacable
    • You need this to establish a connection between the phone and your computer or laptop.
  4. Make sure your phone has the USB debugging function enabled
    • Settings > About device
    • Tap build number 7 times to enable developer options.
    • Go back to settings menu screen and then open the developer options.
    • Choose enable USB debugging.
  5. Back up everything important.
    • SMS Messages, Call Logs, Contacts
    • Media files by copying to PC or Laptop.
    • Titanium Backup– For rooted devices use Titanium Backup for apps, system data and other important content.
    • Backup Nandroid – For devices where CWM  or TWRP waspreviously installed.
  6. Have Sony Flashtool installed and setup
  7. From Sony Flash tool
    • Flashtool>Drivers>Flashtool-drivers.exe
    • install the Flashtool as well as Fastboot and the Xperia Z,ZR,ZL drivers

Note: The methods needed to flash custom recoveries, roms and to root your phone can result in bricking your device. Rooting your device will also void the warranty and it will no longer be eligible for free device services from manufacturers or warranty providers. Be responsible and keep these in mind before you decide to proceed on your own responsibility. In case a mishap occurs, we or the device manufacturers should never be held responsible.

Download:

  1. .230 firmware for Xperia Z
  2. .230 firmware for Xperia ZR C5503
  3. .230 firmware for Xperia ZL

How-To Root:

  1. Copy the firmware you downloaded (mentioned above) in the firmware folder in the Flashtool installation directory
  2. Open the Flashtoll.exe
  3. Click on the small lightening button located on the top left corner then select Flashmode.
  4. Select the firmware file from the Firmware folder.
  5. Exclude all the options except kernel (see photo). Then click Flash

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  1. When the firmware has loaded, you will see a prompt to attach your phone, do so by turning off and keeping the back key pressed.
    • If your device is a Z/Zr/Zl, the volume down key should function as the back key.
  2. Keep pressing until the phone is detected in Flashmode, you will know this is so when the firmware flashes the kernel.
  3. When the kernel is flashed, let go of the key. Make sure you have USB debugging.
  4. Download One Click Root Took. here
  5. From Extracted Files, go to Run.bat file. You will see a command prompt telling you to connect the device to the PC. Do so.
  6. Follow the instructions until the phone is rooted.
  7. Disconnect phone and turn it off.
  8. Flash .283 kernel by repeating the above steps. This should enable you to get the device’s original kernel again.

 

Here is another way you might want to try rooting your device, this is for the Xperia ZL c6502 4.4.4. only.

  1. Download stock firmware for the Sony 4.4.4. from XDA. You can do this by searching for “stock firmware/ftf file of Xperia zL C6502.
  2. Then, unlock the bootloader.
  3. Follow steps 1-11 of the guide above on how to flash .230 ftf files
  4. Restart the phone
  5. Go to check USB Debugging and Unknown sources.
  6. Run One Click root tool and follow the instructions given.
  7. Go back to the stock ROM for c6502 that you downloaded from XDA and flash it following steps 1-11 BUT, on the left hand side make sure you’ve unchecked TA and, on the top box, uncheck Apps.
  8. Flash and then you’ll find you have root in C6502 4.4.4

By rooting your phone, you get complete access to all the data which is locked by manufacturers.  This will include the removal of factory restrictions and allow you to make changes to both the internal and operating systems.  Root access will allow you to install applications to enhance device performance, remove any built-in apps or programs, upgrade battery life, and install any apps which need root access.

What do you think about root access?

JR

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