I am new to XDA its my first Post.....
sorry if any mistake....in my writing...
Root Xperia Z1 C6903 user may Check this method in other Z1 Variant.. not operator customized variant...
this is the simple way to root Z1 in 5.0.2 new stock FTF..
Xperia Z1 C6903 unlocked bootloader..with android 5.0.2 (.242) & 60%of charge
Xperia flash tool..... Click here with xperia Z1 driver
To Download Xperia Device's Firmware File .FTF Click Here XperiFirm you need to copy .exe to Xperia Flashtool Folder and run from that folder..
PRF Creator.....Click here
SuperSu Binary...Click here
Recovery image....Download here
Dual recovery Flash able Zip file..Downlaod here
Procedure.. Before proceed prepare all reqired file its only take 5 mins.....
Now run PRFC and add all three required files(.ftf,SuperSu,Recovery) in it.
Then click on Create.
Once the Flashable ROM is created, it will show finished. now the flashable.zip file created in the same PRF Creator folder..
Do not touch any other option while creating the pre-rooted firmware.
Now copy the flashable.Zip firmware to the phone’s internal storage
Step 1: Connect the phone with usb Debugging. mode
Step 2: Open the flashtool thunder icon select Fastboot mode...
Step 3:Select option reboot in fastboot mode via adb...(or simply connect phone in fastboot using press volume (+) while connect the usb
Step 4:Again click reboot in fastboot via fastboot
Step 5:Now click select kernel to flash.. now browse (.img extension) and select boot_2.img file download..
Step 6:Now disconnect the phone from pc. boot into recovery using power on the phone its show sony logo the press volume (-)
Step 7:now you are CWM Recovery... install .zip from sd storage ...select the flashable.zip and install it...once finished ..power off the phone using recovery advance option...
Step 8:Now open flashtool in pc select thunder icon select flashmode select .242 firmware in Wipe Option tick APPSLOG, CACHE & untick DATA. in Exclude tick SYSTEM
Step 9: Now Click Flash....Connect the phone Dialog Window Will Appear now connect the phone USB together press volume (-)
release the button when dialog window disappear
now the your pc detect your phone in flashmode and flash the firmware..... only 2 mins completed..
Step 10:Now disconnect from pc. power on the phone ....that's it...now your phone rooted......Enjoy
if any Question's ask me...