Sony is very well known for releasing Android Smartphones that are packed with high end hardware, fluid software and guaranteed for their water and dust proof behavior. The Sony Xperia Z Ultra was announced back in June 2013 and features a set of very impressive hardware specifications. If you’re unaware of the hardware specifications of the Sony Xperia Z Ultra, below is a detailed list of the hardware specifications of the Sony Xperia Z Ultra Android Smartphone:
- 6.4 inch Full-HD display with a PPI of 344.
- 2.2 GHz quad core processor.
- 2 GB of RAM.
- 8 MP rear facing camera with Autofocus and LED flash.
- 2 MP front facing camera.
- 3050 mAh battery.
If you’re a person who likes to do experiments with your Android Smartphone, then you’ll probably love flashing custom ROM’s on your Android Smartphone too. If yes, then we’re here today with a detailed guide on how to flash OmniROM custom ROM on Sony Xperia Z Ultra Android Smartphone. 
Warnings:
Here are a few warning information for you to go through before attempting to flash the OmniROM custom ROM on Sony Xperia Z Ultra Android Smartphone:
- Rooting and installation of custom ROM’s on Android Smartphones is an unauthorized process and tends to void the warranty of your Android Smartphone. And once you root your Sony Xperia Z Ultra and install any custom ROM on it, you’ll automatically void the warranty of your Sony Xperia Z Ultra Android Smartphone as well.
- You might not receive any official software or firmware updates once you root and install any custom ROM on your Sony Xperia Z Ultra Android Smartphone.
- We are not at all to be blamed in case you damage your Sony Xperia Z Ultra during or after completing the guide written below. Hence, proceed at your own will and risk only.
Wymagania wstępne:
Below are some prerequisite procedures to complete before you flash the OmniROM custom ROM on Sony Xperia Z Ultra Android Smartphone:
- Root your Sony Xperia Z Ultra Android Smartphone and install CWM recovery.
- Download and install the USB Drivers for Sony Xperia Z Ultra on your Android Smartphone.
- Make sure that the minimum battery backup on your Sony Xperia Z Ultra is at least 80%.
- Download the OmniROM custom ROM kit from here.
- Download the Google Apps kit from tutaj.
How To Flash OmniROM custom ROM on Sony Xperia Z Ultra Android Smartphone:
Below is the detailed guide on how to flash the OmniROM custom ROM on Sony Xperia Z Ultra Android Smartphone:
- First of all, copy and paste both the ZIP files to the storage space on your Sony Xperia Z Ultra.
- Now Power OFF your Sony Xperia Z Ultra.
- And then boot into recovery mode by pressing the Volume Down+Power keys at the same time.
- Now from the recovery menu, perform a “Data Factory Reset”, “Wipe Dalvik Cache” and then “Wipe Cache Partition”.
- Now choose the “Install ZIP From SD Card” option.
- And then choose the custom ROM kit that you placed on the storage space of your Sony Xperia Z Ultra earlier.
- Now the ROM will be installed on your Sony Xperia Z Ultra.
- Then choose the Google Apps kit and confirm the selection.
- Then the Google Apps kit will be installed on your Sony Xperia Z Ultra Android Smartphone.
- Reboot your Smartphone.
Gratulacje, you have now successfully completed installing the OmniROM custom ROM on Sony Xperia Z Ultra Android Smartphone.