Sony XPERIA Z2 is Sony Mobile flagship for H1 2014. It has large and quality 5,2 inch display, 3200 mAh battery, powerfull quadcore CPU from Qualcomm, 3 GB RAM or 20,7 megapixel camera. Sony XPERIA Z2 is also water resistance. Below you can find the latest firmware for the phone.

• Sony Xperia Z2 For Macbook Air
• Sony Xperia Z2 Manual

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First of all one important thing – before you start to do anything with your phone, do the backup of your personal data. It is only for your safety in case that something goes wrong or any mistake happens. In that case you can use the backup to restore the data and try to do everything once again. Each tutorial has been done many times to verify its propriety, so just read carefully all instructions and continue step by step. The major part of every file has been created by myself and every file has been tested on the corresponding phone. All referenced files are determined for Sony XPERIA Z2. So, what can you expect in terms of mentioned manuals / tutorials?

Sony Xperia Z2 For Macbook Air

a) Android 6.0.1 (for Sony XPERIA Z2 D6502 it is the 23.5.A.0.570 firmware, for Sony XPERIA Z2 D6503 it is the 23.5.A.1.291 firmware)
b) Android 5.1.1 (for Sony XPERIA Z2 D6503 it is the 23.4.A.1.264 firmware)
c) Android 5.0.2 (for Sony XPERIA Z2 D6503 it is the 23.1.A.1.28 firmware)
d) Android 4.4.4 (for Sony XPERIA Z2 D6503 it is he 23.0.1.A.0.167 firmware)
2. root Sony XPERIA Z2 with locked bootloader (and than install the newest Android and recovery)
3. unlock the bootloader (in case you want to install the custom kernels with recovery)
4. relock bootloader on your phone

1. Install firmware for Sony XPERIA Z2
a) download and install latest Flashtool
b) download OS for your Sony XPERIA Z2 (you can choose from list below)
b1) Android 6.0.1 for Sony XPERIA Z2 D6503 or Android 6.0.1 for Sony XPERIA Z2 D6502
b2) Android 5.1.1 for Sony XPERIA Z2 D6503
b3) Android 5.0.2 for Sony XPERIA Z2 D6503
b4) Android 4.4.4 for Sony XPERIA Z2 D6503
c) open the XPERIA Flashtool, click on flash and choose downloaded firmware, than click ok. Important – if you do not want to delete any data of your phone, just uncheck flashing userdata.sin file. All data will remain in your phone, but sometimes it can cause additional troubles. So it is better (and I recommend that) to do the backup of your personal data, than proceed with clean instalation and then restore your personal data.
d) turn off your phone and when Flashtool shows pop up window, connect phone to PC with holding volume down button
e) after few minutes all is done and your phone gets the new firmware

Sony Xperia Z2 Manual

2. root Sony XPERIA Z2 with locked bootloader (and than install the newest Android and recovery)
a) before you start to do anything, backup all your user data and media files, because you will lost it and charge your phone
b) download and install latest Flashtool
c) download this FTF file and flash it with Flashtool to you smartphone (it is important to Wipe data or your phone will not boot)
d) start your smartphone and enable developer options and usb debugging, also enable mock location
e) in security settings, enable unknown source
f) download this root package and unzip it in your computer (alternative you can download this)
g) connect your smartphone to your computer and go to Flashtool folder, X10flasher lib
h) hold shift button and right click with mouse, open command line and type adb devices
i) allow usb debugging on display your phone (steps g-h are not important, but it is better to check it)
j) if result is some kind of number, close command line and run install.bat inside root package from step f)
k) wait after root procedure is done, sometimes it is need to run it more than once (wait until you see SuperSU in your phone)
l) download recovery for your phone from this site (select XZDualrecovery, than latest version and than Z2 installer)
m) unzip this file, connect your smartphone to computer and run installation, choose first option and than allow SuperSU
n) after some time you will get new icon in your phone, now you have recovery and root (but with old firmware)
o) now you need to flash prerooted zip file thru recovery mode and there are two options (steps p or q)
p) download it from internet, you can try to find it here or Google XPERIA Z2 (firmware you want number) prerooted zip
q) make it by yourself, it is very easy and fast, i will show it to you here
r) after you have this prerooted zip file, push it to your smartphone
s) start recovery mode (from NDRUtils application in your phone) reboot to primary recovery
t) install your prerooted zip file (install ZIP and navigate to your file), than Wipe Cache and Dalvik Cache and power off your phone
u) sometimes this can be enough, but i really recommended last steps, it is better for your phone
v) download corresponding firmware (same version as is your prerooted zip file), you can also make FTF yourself with this video
w) flash this FTF file with Flashtool once more, but exlude system and partition
x) after it finished, turn on your smartphone
y) you are on firmware version you chose with root and recovery mode and with locked bootloader
z) when Sony Mobile company release new firmware, you can repeat this tutorial from step o), just change prerooted zip and than FTF

3. how to unlock your bootloader
a) download and install latest Flashtool
b) start Flashtool and click on BLU button on the top
c) turn off your device and when Flashtool shows pop up window, connect device to PC with holding volume down button
d) Flashtool will check your device and than you need to connect your device once more, now with holding volume up button
e) click on get unlock key button, it will switch you to Sony Mobile website, here select your phone and hit continue
f) fill your email adress and accept terms and conditions, than click submit
g) go to your mailbox and click on Click here to proceeed link in mail from Sony Mobile
h) copy IMEI from Flashtool to Sony Mobile site and once more accept term and contidion, than click submit
i) copy unlock key to Flashtool window and than click unlock
j) your device is unlocked

4. how to relock your bootloader
a) download and install latest Flashtool
b) start Flashtool and click on BLU button on the top
c) turn off your phone and when Flashtool shows pop up window, connect phone to PC with holding volume down button
d) just click on relock button and your bootloader is locked for now