Upgrade Firmware

• Theme engine: Theme engine of cyanogenmod is included so you change themes and customize ui on the go.There are lot of free themes which you can download them from playstore itself.
• Animations: If you are bored with system or user interface animation you can change them too.List view animations can also be changes and it works in all apps.You can even set animations for toast messages too.
• Gesture any where: This lets you to open any app with just a gesture.You have to enable this option and set trigger positions and use this at any time.
• Gesture lock: In general lock screen security includes either a pin ,password, pattern or face lock.This is a new un locking method with just a gesture.You have to draw a gesture in lock screen area to unlock it. 
• Lock screen mods: Battery bar will appear on unlock ring and double tapping on un lock ring will put the device to sleep.You can even set custom apps on lock screen too.
• Double tap on status bar will put the device to sleep.


• Expanded desktop: You can enable expanded desktop mode for all app or chose only specific apps to be able to run in expanded mode.
•  App circle bar: swiping from left or right will open app circle bar in which you can place your favourite apps and can access them at any time with just a swipe.
• Button actions: Enable or disable navigation keys and set custom actions too.If your device supports hardware keys then you can set back light time too.
• Notification drawer: Adjust quick tiles and arrange them according to your needs.weather can be displayed on notification panel too only when it is pulled down.If you don't brightness slider in notification panel you can disable it too.
• status bar: All icons on status bar are customizable.Network speed monitor is also available to get ongoing traffic info.Sliding across status bar will adjust brightness. 

Flash Pacman rom on Xperia z2 sirius using recovery:

• Download Pacman rom for xperia z2 sirius  and Gapps transfer it to sdcard or internal storage of device.
• Power of  device completely and wait for few seconds to confirm that it is off completely.
• Press power button and when device boots up leave power button.
• While you xperia z2 is powering up you you will notice led light blinks.When this happens you have to press either volume up or down continuously until it boots into recovery mode.
• Sony xperia z2 sirius boots into Twrp  or cwm or philz recovery .
• Once you are in twrp or cwm click on  backup and select all partitions which you want to backup. It might take about 5 minutes for backup to complete. Don't interrupt backup process.
• Once backup of your existing rom is completed click on back button.Wipe data,cache and dalvik cache and wipe system partition too.
• Now select Install and navigate to location where you have placed your Rom and gapps zip files.
• Flashing rom might take about 5 minutes or so.Once flashing is complete do a factory reset again.
• Now reboot to system.Wait at least 15 minutes for initial boot to complete and once done you can explore ROM features.