HTC no longer provides update for the HTC Desire HD (last
updated official: Android 2.3.5), suddenly all those who have a Desire
HD can not benefit from the new features that Android offers, but it This was without counting on the XDA forum users.
In fact, thanks to Jellytime which was developed by the team of XDA forum, users of the HTC Desire HD (DHD) can easily update their Smartphone to version 4.1 Jelly Bean Android 4.1.Unfortunately, the official drivers and settings of the model do not exist.
To mention that the instructions in this tutorial are only applicable on the HTC Desire HD , do not try to apply it to another type of smart phone.
Even if malfunctions and bugs are possible, we thank the developers of these Custom ROM for their hard work to provide us with the most stable version based on the structure of versions 4.1.1 and 4.1.2 of Android Jelly Bean.
There is also an Alpha version in Android 4.2 but is still under development. We will certainly let you know as soon as it is operational and functional especially.
Precautions
It is strongly recommended that users make a backup of applications, important personal data and personal settings to avoid data loss during the installation of this update. HTC Sync will not detect your phone after installing this ROM Custom, therefore, should not be used for data backup.Instead, you must use CWM Recovery to back up your data (the steps mentioned in the tutorial).
It will also check if your smartphone is not Roote or by downloading and running the applicationRoot Checker available on Google Play Store before the update.
Be sure to enable USB debugging mode by going to: Settings / Applications / Development and check the USB debugging option.
Make sure your battery is loaded Desire HD to at least 85% to prevent an accidental interruption during the update.
Unlocking the smartphone
Also make sure the phone is unlocked Bootloader of origin, it just ennlever your mobile battery and reinsert. Press Power and Volume Lower simultaneously until the Bootloader menu appears.There will be a rectangle Rose in the top menu, if there is marked LOCKED, it is locked and if there is marked UNLOCKED is unlocked. If the bootloader is locked, it is advisable to go through the official website to unlock but once unlocked, the guarantee of the brand is no longer applicable, it is a process by which they s’ôtent all liability due to mishandling. You may also find tips on the web to do but it would be the same.
It also requires ClockworkMod (CWM) Recovery is installed it before installing. For the uninitiated, CWM Recovery software is a backup and recovery for Android phone. This is a start-up mode that allows for a variety of operations such as installing a ROM or just a backup of the contents.
Install ClockworkMod
Very important, Full Wipe is mandatory to avoid the risk of accidental activation in the case where no pre-cleaning has been done. A Full Wipe is to reboot the device in recovery mode (recovery) with 3 wipes (wipe factory reset + wipe cache + wipe dalvik cache). This is because as formatting removes all these options to restore the firmware to its original state (restore factory settings).
How to make a full wipe, go here
What brings the current R31 jellytime
After many corrections, version arrived in Release 31. It includes an update of the kernel (core) to 3.0.58 but also changes from a fusion of Cyanogen Mod and a new animation during startup (Nissanskylinebam).
Some disadvantages
In version 31, the WiFi does not work then all future transactions should be done offline.
Buttons for audio output (headphones or earpieces) do not work particularly for the control of music tracks.
Mute the microphone can also not work.
It may be that the backlight does not turn off when you put your device in standby mode. To turn it off, you just unlock the device and press again the power button.
Due to the hardware overlay, interference may occur graphics, but to remedy this, simply check the option “Off. superimposed. mater. ”By going to Settings, then Options.
A little trick (pending corrections), where the camera stops when changing mode: First, launch the app, change the mode, then immediately press the Home button to exit and return in the app to find the choice of mode that you selected.
How to install the update?
1) Download to your computer the latest versions of firmware 4.1 Jellytime via the links below:
Download Jellytime Release 4.1 30
Download Jellytime 4.1 Release 31 (for the more adventurous who can spend WiFi)
2) Once the update is downloaded, connect your phone to your computer in disk drive (Disk Mode) and copy the zip file. Downloaded to your SD card (root directory).
3) When the copy is complete, disconnect your smartphone Desire HD and start the recovery mode (Recovery Mode). To do this, simultaneously press the power button and the volume lower button until the mode screen recovery (recovery) appear on your mobile. There is also another alternative ROMManager using the application (available on Google Play Store) to start the device in recovery mode.
4) In recovery mode, select “Install zip from SDcard” and press “Choose zip from SDcard.” The entire contents of your card will be displayed. Next, navigate, locate and select the firmware Jellytime you previously copied in and install it.
It should be noted that the installation will take about 4-5 minutes.
What happens if I receive an error message during the update?
NB: If there is any failure to update or blockage, simply repeat the above steps from the beginning after reinserted the battery of your device.
The update is installed successfully on your HTC Desire HD, you can check the version by going to Settings / About phone / Software information.
What to do after the update?
The firmware does not contain Google applications then it should flash or (reflash) Google Apps for each operation. You can download them here and in case you missed it you can still find themhere .
In fact, thanks to Jellytime which was developed by the team of XDA forum, users of the HTC Desire HD (DHD) can easily update their Smartphone to version 4.1 Jelly Bean Android 4.1.Unfortunately, the official drivers and settings of the model do not exist.
To mention that the instructions in this tutorial are only applicable on the HTC Desire HD , do not try to apply it to another type of smart phone.
Even if malfunctions and bugs are possible, we thank the developers of these Custom ROM for their hard work to provide us with the most stable version based on the structure of versions 4.1.1 and 4.1.2 of Android Jelly Bean.
There is also an Alpha version in Android 4.2 but is still under development. We will certainly let you know as soon as it is operational and functional especially.
Precautions
It is strongly recommended that users make a backup of applications, important personal data and personal settings to avoid data loss during the installation of this update. HTC Sync will not detect your phone after installing this ROM Custom, therefore, should not be used for data backup.Instead, you must use CWM Recovery to back up your data (the steps mentioned in the tutorial).
It will also check if your smartphone is not Roote or by downloading and running the applicationRoot Checker available on Google Play Store before the update.
Be sure to enable USB debugging mode by going to: Settings / Applications / Development and check the USB debugging option.
Make sure your battery is loaded Desire HD to at least 85% to prevent an accidental interruption during the update.
Unlocking the smartphone
Also make sure the phone is unlocked Bootloader of origin, it just ennlever your mobile battery and reinsert. Press Power and Volume Lower simultaneously until the Bootloader menu appears.There will be a rectangle Rose in the top menu, if there is marked LOCKED, it is locked and if there is marked UNLOCKED is unlocked. If the bootloader is locked, it is advisable to go through the official website to unlock but once unlocked, the guarantee of the brand is no longer applicable, it is a process by which they s’ôtent all liability due to mishandling. You may also find tips on the web to do but it would be the same.
It also requires ClockworkMod (CWM) Recovery is installed it before installing. For the uninitiated, CWM Recovery software is a backup and recovery for Android phone. This is a start-up mode that allows for a variety of operations such as installing a ROM or just a backup of the contents.
Install ClockworkMod
Very important, Full Wipe is mandatory to avoid the risk of accidental activation in the case where no pre-cleaning has been done. A Full Wipe is to reboot the device in recovery mode (recovery) with 3 wipes (wipe factory reset + wipe cache + wipe dalvik cache). This is because as formatting removes all these options to restore the firmware to its original state (restore factory settings).
How to make a full wipe, go here
What brings the current R31 jellytime
After many corrections, version arrived in Release 31. It includes an update of the kernel (core) to 3.0.58 but also changes from a fusion of Cyanogen Mod and a new animation during startup (Nissanskylinebam).
Some disadvantages
In version 31, the WiFi does not work then all future transactions should be done offline.
Buttons for audio output (headphones or earpieces) do not work particularly for the control of music tracks.
Mute the microphone can also not work.
It may be that the backlight does not turn off when you put your device in standby mode. To turn it off, you just unlock the device and press again the power button.
Due to the hardware overlay, interference may occur graphics, but to remedy this, simply check the option “Off. superimposed. mater. ”By going to Settings, then Options.
A little trick (pending corrections), where the camera stops when changing mode: First, launch the app, change the mode, then immediately press the Home button to exit and return in the app to find the choice of mode that you selected.
How to install the update?
1) Download to your computer the latest versions of firmware 4.1 Jellytime via the links below:
Download Jellytime Release 4.1 30
Download Jellytime 4.1 Release 31 (for the more adventurous who can spend WiFi)
2) Once the update is downloaded, connect your phone to your computer in disk drive (Disk Mode) and copy the zip file. Downloaded to your SD card (root directory).
3) When the copy is complete, disconnect your smartphone Desire HD and start the recovery mode (Recovery Mode). To do this, simultaneously press the power button and the volume lower button until the mode screen recovery (recovery) appear on your mobile. There is also another alternative ROMManager using the application (available on Google Play Store) to start the device in recovery mode.
4) In recovery mode, select “Install zip from SDcard” and press “Choose zip from SDcard.” The entire contents of your card will be displayed. Next, navigate, locate and select the firmware Jellytime you previously copied in and install it.
It should be noted that the installation will take about 4-5 minutes.
What happens if I receive an error message during the update?
NB: If there is any failure to update or blockage, simply repeat the above steps from the beginning after reinserted the battery of your device.
The update is installed successfully on your HTC Desire HD, you can check the version by going to Settings / About phone / Software information.
What to do after the update?
The firmware does not contain Google applications then it should flash or (reflash) Google Apps for each operation. You can download them here and in case you missed it you can still find themhere .
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