Upgrade Firmware

Flash omni rom using Cwm recovery:

• Face recognition: Default gallery in miui has a new feature which detects face which makes it easy to categorise all the images of a person.This is really a useful feature if you store lot of photos on your device.
• Video ringtone: If you are bored with the photo caller id and ringtone you can switch to a small video ringtone instead of just a song.when you receive a call a video which you have set will be played along with ringtone.
• Changes to interface: There are three modes for the home screen which which are focused on boys, girls and business.These modes jsut change the appearance of icons and wallpaper which might be pleasing to your eyes.
• Font size: If you don't like default font size then you can adjust its size to suit your eyes. 
• Muse: One of the highlighting feature of miui is its theme engine.You can blends various elements of other themes into one.But if you are not pleased with all the themes and combinations that you can make then you can create your own them with the help of muse app.
• Performance has been improved by about 30% while  decreasing the power consumption by about 25% which is nice.
• Miui Launcher: This launcher is completely different from other aosp launchers which you are familiar with.Feature no app drawer and apps resides on home screen it self.
• Traffic indicator: Network traffic indication is also available for ongoing traffic.Both download and upload speeds are displayed at same time on status bar.
• Theme engine: miui is one of the first rom to offer a theme engine.There are lacks of themes in mi store and some are paid versions too.Yo can use mi tools which is a modified xposed framework to run on miui to get all paid themes for free.With this theme engine you can change wallpapers ,boot animations,ring tones, navigation panel theme,status bar theme,lock screen theme,icons and what ever.You can even overlap individual theme elements too.
• Utility tool: This helps to clear cache,virus scan,permission etc.
• Guest mode: Guest mode is enabled by default and is locked in privacy protection.
• Notifications: Notifications appear in form of "heads up" which you must be familiar with.
• Features a do not disturb mode too.
• Status bar: It features transparent status bar as usual.There is a network monitor too for ongoing Internet traffic.You can see your upload and download speed in status bar.Swiping down from status bar will bring you notification panel and swiping left on it will take you to quick toggles.
• Unlock your phone when a trusted blue tooth device is nearby which might remind you of "MI band".
• Permission manager: You can control permissions for individual app.

• Trebuchet: This is a launcher that ships with cyanogenmod. But if you flash gapps then you might loose this.It is simple,fast and responsive and lacks customization a bit.
• Performance control:A default CPU manager app to control frequencies and governors . You can adjust cpu frequencies and also set them on boot too.
• Status bar Tweaks:Status bar has lot of tweaks which include a brightness slider.Slide in status bar to adjust brightness of the screen.Double tap on status bar to sleep device and also network speed indicator for on going traffic info.


• Theme engine: Theme engine is a custom feature cyanogenmod custom rom which basically changes the look user interface from lock screen  to ring tones all the way up to boot animations. The speciality of the theme engine is the ability to choose individual elements of every theme you have installed.So you like the ringtones and wallpapers of one theme and icons of other theme then you can have them at a time.Just open the theme chooser and you will understand how to do it.This might reming you of theme store from miui rom.
  
• Software Updates: Cyanogenmod is usually available in three types one s nightlies which gets updated with new features every night and are quite stable for daily usage.second one is the snapchat which is monthly build version which will be stable version and other one is the release candidate.Some times nightlies are considered must stable than the snapshots. As of now we have android lollipop 5.1.1  in form on CM 12.1. 
• If you are missing root functionality or all your root apps are not working properly then to developer settings and check if root permissions are set properly.

• Battery: Charge your xperia go to at least 90% so that you wont encounter any battery related issues while flashing this.
• You must have updated your xperai U to latest firmware available.
• Custom recovery: You need a custom recovery like philz or cwm installed on your xperia Go.Without it you can not flash at all.
• Backup:Backup all your data which includes apps,contacts,photos videos etc everything to computer or any cloud storage as flashing Cyanogenmod on SonyXperia Go Lotus will erase all your data.
• Backup Efs partitions: Backup all your efs partition of your sony xperia go  on current Rom.If you loose signal you can just restore it back.
• You must have a Unlocked bootloader for sure.
• Downloads:Cm 12.1 rom for xperia go lotus (androidfilehost mirror) and google apps. Transfer them to internal storage of your device.

• Backup:Backup all your data which includes apps,contacts,photos videos etc everything to computer or any cloud storage as flashing Euphoria os on Sony xperia Z3 will erase all your data.
• Battery: Charge your xperia Z3 to at least 90% so that you wont encounter any battery related issues while flashing this.
• Backup Efs partitions: Backup all your efs partition of your sony xperia Z3  on current Rom.If you loose signal you can just restore it back.
• Custom recovery: You need a custom recovery like philz or cwm or twrp installed on it.Without it you can not flash at all.
• You must have a Unlocked bootloader.
• Downloads: Euphoria os for  xperia z3 (androidfilehost mirror) and google apps. Transfer them to internal storage of your device.

• Theme engine: It comes with a cyanogenmod mod theme engine so you can play with lot of themes.This is a great way of customizing your android device. You can theme each and every element of user interface all the way from wallpapers to boot animations.There are lot of themes available in playstore and some are premium too.
  
• Heads up notification: This notification system is similar to that in google'e one.Swipe left to dismiss notification and right to put it in background.Swiping down on it will open notification drawer and it merges in it.
• Wake options: Depending on the device you will have double tap to wake the device option in display settings and of course you have the option to put the device into sleep by double tapping on status bar.There is a option to wake phone after connecting charger.
• Animations: You can have custom animations for app opening and closing or while scrolling.
  
• Navigation: Besides device wake options you can even adjust dimensions of navigation bar and set custom actions too like long pressing  back button to kill recent app.In landscape mode navigation goes left hand side and yeah there is an option to disable this too if you don't like it.


• Security:  Privacy guard is available in this Rom along with blacklisting of calls and messages.
• Sound: AudioFx is available for better quality of music.Other features include increasing volume ring tone,profiles,less notifications,you can disable volume adjustable sound,separate ring tones and notifications volume as usual.
• Power: Advance reboot option is enabled by default so you can boot into recovery,fast boot,soft boot easily.
• Screen recorder: There is screen recorder option too in display settings to record your actions on your device.
• Quick settings panel is customizable and brightness control too is available.

Flash Euphoria os Xperia Z3 using recovery:

• Download Euphoria  for xperia z3 and Gapps transfer it to sdcard or internal storage of Z3.
• 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 Z3 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 Z3 boots into  cwm recovery.
• Once you are in  cwm or twrp 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.

• Theme engine: It comes with a cyanogenmod mod theme engine so you can play with lot of themes.This is a great way of customizing your android device. You can theme each and every element of user interface all the way from wallpapers to boot animations.There are lot of themes available in playstore and some are premium too.
• Heads up notification: This notification system is similar to that in google'e one.Swipe left to dismiss notification and right to put it in background.Swiping down on it will open notification drawer and it merges in it.
• Wake options: Depending on the device you will have double tap to wake the device option in display settings and of course you have the option to put the device into sleep by double tapping on status bar.There is a option to wake phone after connecting charger.
• Animations: You can have custom animations for app opening and closing or while scrolling.
• Navigation: Besides device wake options you can even adjust dimensions of navigation bar and set custom actions too like long pressing  back button to kill recent app.In landscape mode navigation goes left hand side and yeah there is an option to disable this too if you don't like it.


• Security:  Privacy guard is available in this Rom along with blacklisting of calls and messages.
• Sound: AudioFx is available for better quality of music.Other features include increasing volume ring tone,profiles,less notifications,you can disable volume adjustable sound,separate ring tones and notifications volume as usual.
• Power: Advance reboot option is enabled by default so you can boot into recovery,fast boot,soft boot easily.
• Screen recorder: There is screen recorder option too in display settings to record your actions on your device.
• Quick settings panel is customisable and brightness control too is available.

• Theme engine: Theme engine is from the cyanogenmod custom rom which basically changes the look user interface from lock screen  to ring tones all the way up to boot animations.The speciality of the theme engine is the ability to choose individual elements of every theme you have installed.So you like the ring tons and wallpapers of one theme and icons of other theme then you can have them at a time.Just open the theme chooser and you will understand how to do it.
• Software Updates: Cyanogenmod rom is usually available in three types one is nightlies which gets updated with new features every night and are quite stable for daily usage.second one is the snapchat which is monthly build version which will be stable version and other one is the release candidate.Some times nightlies are considered must stable than the snapshots. 
• Status bar Tweaks:Status bar has lot of tweaks which include a brightness slider.Slide in status bar to adjust brightness of the screen.Double tap on status bar to sleep device and also network speed indicator for on going traffic info.
• If you root apps don't work then that is no response form super user it means it has been disabled and you can enable it in developer options easily.
• System ui tuner: This is new feature that let you tweak ui a bit but has been hidden just like developer option.If you want to add it to setting app,swipe down the notification panel and on top you will notice a gear icon.Press and hold it and you will notice that it starts spinning.Just leave it once you notice the vigorous spin and you will see a toast message "system ui tuner" added to settings.
• There are ton of brand new wallpapers.
• Google launcher now has vertical scrolling instead of horizontal.
• Multi window: Google finally introduced multi window concept in tablet version of os.You can run two apps in a single window.Activating multi window is also too easy.When you open recents you will notice there is another option beside the closing button on cards.Press on it and activate multi window.But this multi window is not configurable which means adjust width of apps that are running.
• Auto rotation on home screen is also added which you can find in launcher settings.
• Now on tap: If you use google now frequently this feature might help you a lot.Usually when you press and hold on home button it will take you to google now.If you enable this feature when you try to access google now on any app it load some related suggestions along with some google now card.
• Screen shot notification will also have delete button along with share option.
• Memory option: This is available in settings .It gives you memory usage on your device from last "3hrs or 6 hrs or 1 day".
• App permission manger is the major thing in android m.This lets you to block certain permission so that the app cannot access them.like if you don't want facebook to access your bluetooth you can now do it with out rooting your device.
• Phone short cut on lock screen is replaced with google now.
• Search bar in settings menu.
• New volume panel: You can now adjust volume of media, call and notification from single window .This feature is absent in previous versions of android though present in most of the oem provided firmwares.

Install Cm 13 rom using twrp recovery:

Install Carbon rom on LG Optimus L90 D405 :

Flash Carbon Rom using TWRP Recovery: 

1. Download Carbon ROM for L90 and Gapps transfer them to sd card or internal storage of device.
2. Power of the device completely nad wait for few seconds to confirm that it is completely off.
3. Using button combinations reboot into recovery or use quick boot app to enter recovery
4. Once you are inTWRP recovery backup existing rom first. It might about 5 minutes for backup to complete and do not interrupt backup process.
5. Click on back and choose advance wipe option.
6. Select system,data,cache,dalvik cache and swipe to confirm wipe.
7. Once you have wiped required partitions go back and click on install.
8. Navigate to location where you have placed your Optimus L90 rom and select it.
9. Swipe to confirm flash and wait for 5 minutes for process to complete.
10. Again click on install and select gapps this time,swipe to confirm to flash.
11. Once gapps are flashed reboot to system.Wait at least 15 minutes for initial boot to complete and once done you can explore its features.
12. If your optimus l90 fails to boot Remove battery and put it back. Reboot it to recovery and this wipe system  and flash the tom again.

• Root:You must have root access on your Htc desire s saga.
• Battery: Charge your desire s to at least 90% so that you wont encounter any battery related problems while flashing this rom.
• Backup Efs partitions: Backup all your efs partition of your htc desire on current Rom or firmware.Just in case if you loose signal you can just restore it back.
• Backup:Backup all your data which includes contacts,apps,photos videos etc everything to computer or any cloud networks as flashing Cm 12.1 rom on Desire s saga will will wipe all your data.
• Custom recovery: You need a custom recovery  installed on your  desire s.Without it you can not flash roms at all.
• Check if you have s off or not.
• You must have a unlocked bootloader.
• Downloads: Cm 12.1 rom for Htc desire s saga and google apps and transfer them to internal storage.

Cyanogenmod 12.1 Htc Desire s saga:

• Trebuchet: This is the default launcher that ships with cyanogenmod. But if you flash gapps then you might loose this.It doesn't have too many features like nova or other launchers but its simple and fast.
• Status bar Tweaks:Status bar has lot of tweaks which include a brightness slider.Slide in status bar to adjust brightness of the screen.Double tap on status bar to sleep device and also network speed indicator for on going traffic info.
• Performance control:A default CPU manager app to control frequencies and governors . You can adjust cpu frequencies and also set them on boot too.
• Theme engine: Theme engine is from the cyanogenmod custom rom which basically changes the look user interface from lock screen  to ring tones all the way up to boot animations.The speciality of the theme engine is the ability to choose individual elements of every theme you have installed.So you like the ring tons and wallpapers of one theme and icons of other theme then you can have them at a time.Just open the theme chooser and you will understand how to do it.
• If you are missing root functionality or all your root apps are not working properly then to developer settings and check if root permissions are set properly.
• Software Updates: Cyanogenmod is usually available in three types one s nightlies which gets updated with new features every night and are quite stable for daily usage.second one is the snapchat which is monthly build version which will be stable version and other one is the release candidate.Some times nightlies are considered must stable than the snapshots. As of now we have android lollipop 5.1.1  in form on CM 12.1. 

Flash android Marshmallow on Xperia z2:

• Download  fastboot on our laptop or Pc and install it.You can install it any location but choose location as c: which is default location.
• open the fastboot folder which is located in "c:\programming files".Right click on empty space by holding shift and you see an option "open cmd here".
• If you don't find this option then press windows and R buttons at same time ,Run pops up and type cmd to open command prompt.
• Now go to fastboot folder and copy the location of it which you can see in address bar of folder.
• In command prompt type the command "Cd location of fastboot folder" and press enter.You will notice that fastboot appears in command line.To paste location right click on empty space in cmd and several pops up.Select paste.
• Once you press enter you will notice minimal adb and fastboot in command line instead of c or some thing.
• Once you are in fastboot window type "adb devices" and press enter.If your device is detected you will get a serial number in list of  devices attached.If not uninstall drivers and install them again.
• Type the command "adb reboot bootloader" to boot into bootloader mode.If you see any pop up message on your xperia z2 about adb just accept it and mark it forever.
• Once the device is in fastboot mode,type the command fastboot devices to check if it is detected by Pc.
• Download System.img file from above link and copy the extracted img files to minimal adb and fastboot folder.
• Once you have done with copying system.img,boot.img and boot.img file(make sure that boot.img file is from second link not from first link or rename boot.img file to sirius.img from second link to avoid confusion).
• Type command "fastboot flash boot boot.img" and hit enter.
• Type the command "fastboot flash system system.img " and system img file will be flashed.It might take some time for flashing process.
• Once system.img is flashed type the command "fastboot flash boot sirius.img" (second link).
• Once flashing is done type the command fastboot reboot to boot xperia z2 normally.