These are the instructions to root Sony Xperia Z1 smartphone (running on android 5.0.2, built id 14.5.A.0.242 or 14.5.A.0.270) using the KingRoot Application on the mobile itself (no need of computer).
Requirements: Your smartphone should have at least 20 percent of device battery or more to begin the root process.
Root Sony Xperia Z1 using KingRoot
Step 1: On your Android Device, Open Settings > Security > Device Administration > Unknown Source (tick to enable it).
Step 2: Download and install KingRoot APK on your Android Device (always download the latest version).
Step 3: Once Installation is completed, you will be able to see the following icon in the Launcher Menu:
Step 4: Tap on the KingRoot Icon to Open it. Once KingRoot Application is launched you will be able to see the following screen:
Step 5: Now, Tap on the Start Root Button to begin the root process.
Step 6: Within a minute or two you will be able to see the Big Green Tick, which signifies that your device is rooted successfully.
Step 7: Restart your Android Device.
Step 8: Now, you can replace the KingUser and other chinese application with SuperSU (chainfire). To replace, follow how to replace KingUser with SuperSU.
Readme Once:
[*] The above tutorial works for all Sony Xperia Z1 variants i.e C6902, C6903, C6909, C6943 only.
[*] Powerful Tool: KingRoot is a very powerful tool, that allows you to root Android Devices from 2.3 to 4.4 without any issues.
[*] No data loss process: Your Android Phone Data like contacts, pictures, videos, music and etc will be not affected with this method.
[*] Warranty Void: Your Android Device Warranty may be Void after following the above tutorial.
[*] Sony Xperia Stock Firmware: If you are looking for the original firmware for your device then head over to Download Sony Xperia Stock Firmware for all devices page.
[*] Sony Xperia USB Driver: If you are looking for the original USB Driver for your device then head over to Download Sony Xperia USB Driver for all devices page.
[*] Credits: KingRoot Application is created by Kingroot Studio (xda developer). So Full Credits goes to them for the Application. Without this tool rooting was not so simple.
