How to Install Cyanogenmod 9 HTC Desire Z firmware [ ICS CM9 ]
HTC Desire Z though released in 2010 still remains one of the favourite mid range HTC phones. It has a good developer support at XDA which means it would be able to get almost all the latest updates in the android world.With that being said, HTC Desire Z has recently got ICS based Cyanogenmod 9 ROM which is considered to be one of the top ROMS for an Android device
This Cyanogenmod 9 is stable enough and can be used on a daily basis.
So without wasting any moment, let us commence with the procedure to Install ICS Cyanogenmod 9 HTC Desire Z .
Before beginning with the procedure to Install ICS Cyanogenmod 9 HTC Desire Z you must know that once the procedure in the tutorial is followed your warranty stands void. The given method is risky and can cause your device to brick. It is therefore recommended that you follow the procedure carefully and perfectly. The processes that you carry out on your device are solely at your risk. We do not take responsibility for any damage to your device.
Lets have a look at the essential Pre Requistes:
1.Firstly you must ensure that you have rooted and installed ClockWork mod (CWM) on your HTC Desire Z
2.Minimum 60% of your phone battery must be charged.
3.Back up your phone data.
4.Contacts synced with Gmail account
5.Make sure USB debugging mode is Enabled (Settings –> Applications –> Development –> USB Debugging)
Following is the Detailed Method to Install ICS Cyanogenmod 9 HTC Desire Z :
Now firstly, you need to download the Cyanogenmod 9 HTC Desire Z zip file .Following is the Download link-> Download ICS Cyanogenmod 9 HTC Desire Z
Now the default google apps like Google Maps,Google Play are not pre installed and If you need these apps, you need to flash this Gapps HTC Desire Z file. OR you can visit Gapps site for latest gapps download(Recommended) OR you can also visit Google Play(market) and download those.
After having done with downloading of the two above mentioned files , you need to copy those files into you internal SD card.
Now you need to switch of your HTC Desire Z. Now after switching off boot into the CWM Recovery using 3 button combo.
Now to work around in the CWM recovery , you need to make use of the following keys :
To move Up/down use Volume Up /Volume Down Button respectively
To open a selected option, use Home/Power button.
Now there are series of steps you need to perform before you begin your actual process of installation of ICS Cyanogenmod 9 HTC Desire Z version.
Select and open the ‘Backup and Restore’ menu from the main menu and do the Nandroid Backup(select yes) to restore your files and previous ROM if something goes wrong with the New ROM. Just to be safe.
In order to have practically no errors or bugs whatsoever , you need to wipe the data and factory reset your device.
So go to the ‘Wipe Data /factory reset’ and ‘Wipe Cache partition’ and then perform these processes
Now go to the Advanced menu , you will see a ‘Wipe Dalvik Cache’ menu , select and click on yes to do it.
Now to Install ICS Cyanogenmod 9 HTC Desire Z , go to the ‘Install Zip from Sd Card’ menu , now select and open ‘“choose zip from sdcard’ menu , browse for the Cyanogenmod 9 zip file that you downloaded from step 1 and then select it and select yes to begin the process to install ICS Cyanogenmod 9 HTC Desire Z ROM.
Optionally, if you need those default Gapps like market ,maps etc. , select the .zip [refer step 2] click on yes to install.
Now,repeat the ‘Wipe data/factory reset’, ‘Wipe Dalvik Cache’ and “Wipe Cache partition” to. Now opt for “reboot system now“ option and wait for your phone to get Booted in the ICS Cyanogenmod 9 HTC Desire Z .Normally it will take 2-3 mins for the first boot.