Sony XPERIA Z1 C6903 - Android 5.1.1 - firmware 14.6.A.1.236 Free Download

Sony XPERIA Z1 C6903 - Android 5.1.1 - firmware 14.6.A.1.236 Free Download

How to Flash-

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. For each of Sony (Ericsson) XPERIA smartphones we will provide a manual consisting of 4, 5 or more „HOW TO“ chapters. Our tutorials will be of course updated every time when Sony Mobile publishes anything new, affecting any of our topics. All important files have been stored on Google Drive, so there should be no problem with downloading. The major part of every file has been created by myself and every file has been tested on the corresponding phone. In this guideline related to the Sony XPERIA Z Ultra you can find some photos and videos showing how to proceed, but the most important thing are the below written manuals. All referenced files are determined for Sony XPERIA Z1 C6903. So, what can you expect in terms of mentioned manuals / tutorials?

Sony information-

Sony XPERIA Z1 is Sony Mobile flagship for 2013. This phone has large fullHD Triluminos display, powerfull quadcore CPU from Qualcomm, 2 GB RAM or 20,7 megapixel camera. Sony XPERIA Z1 is also water resistance. Below you can find the latest firmware for the phone and also three tutorials/manuals - how to unlock the bootloader, how to relock the bootloader and how to backup the original firmware customization.

It is following 10 guidelines showing HOW TO:
1. install the newest generic Android 5.1.1 for your phone (for Sony XPERIA Z1 C6903 it is the 14.6.A.1.236 firmware)
2. install the newest generic Android 5.0.2 for your phone (for Sony XPERIA Z1 C6903 it is the 14.5.A.0.270 firmware)
3. install the newest customized Android 5.0.2 for your phone (for Sony XPERIA Z1 C6903 it is the 14.5.A.0.283 firmware)
4. install the newest Android 4.4.4 for your phone (for Sony XPERIA Z1 C6903 it is the 14.4.A.0.157 firmware)
5. install the newest Android 4.3 for your phone (for Sony XPERIA Z1 C6903 it is the 14.2.A.1.136 firmware)
6. install the newest Android 4.2.2 for your phone (for Sony XPERIA Z1 C6903 it is the 14.1.G.2.257 firmware)
7. root Sony XPERIA Z1 with locked bootloader (and than install the newest Android and recovery)
8. backup your original firmware customization (it is important in case you must send your phone to service)
9. unlock the bootloader (in case you want to install the custom kernels with recovery menu and more)
10. relock bootloader on your phone

how to install the newest generic Android 5.1.1 for Sony XPERIA Z1 C6903
a) first of all, check your firmware version (if you already have the newest one, you do not need this tutorial)
b) download and install latest Flashtool
c) download also latest Android 5.1.1 (mirror Google Drive) for Sony XPERIA Z1
d) paste the ftf file downloaded in step c) to folder „Firmware“ included in the XPERIA Flashtool