Upgrade Firmware: Install lollipop based Carbon rom on Htc one m8

Friday, December 11, 2015

Install lollipop based Carbon rom on Htc one m8

If you are waiting to taste latest version of android lollipop on your htc one m8 then we present you carbon rom which is fast,stable and smooth.This rom is compiled by a senior member and developer of xda named "Pippox3" a big thanks to him for bring this feature rich rom for htc one m8 and good thing is that our device htc one m8 is officially supported by carbon team so you can expect immediate response for bug fixes and software updates.

Flashing roms is a risky process and there are chances of bricking it if you fail to do so.If you havent tried installing any roms before I advice you to keep away from this and wait for some more time.We take no responsibility if you brick it.

Install carbon rom Htc one M8:

About carbon rom for htc one m8:

Carbon rom is an after market firmware based on cyanogenmod and android open source project. They aim at providing stable,fast and feature filled custom roms to their users.Since this rom is based on cyanogenmod all features and bugs will be inherited in this rom along with some random cherry pics from other custom roms. All the features of carbon rom are grouped in one tab called carbon fibers.
There is another rom for one m8 which too is very feature rich and is resurrection remix rom for htc one m8 do check that too.

Features of this rom:

Theme engine: Developed by cyanogenmod is a wonderful engine to theme your android os from icons to boot animations.You can choose from a variety of themes and even apply individual elements of one theme over other themes too.This might remind you of miui theming engine.
Animations: You can set different animations for app closing and openings.There are lot of scrolling animations too which put smile on your face while using them.These animation are cool but might hinder experience if you choose wrong one.
Sounds: You can disable camera shutter and screen shot sounds.Increase volume in steps and volume down is lowered to a stable one when a headset is connected.
Status bar: All the icons on status bar that is battery,signal and date are completely customizable. A Double on status bar will put the device to sleep.Brightness control can be enabled or disabled.
App circle bar: If you enable this swiping from left or right will open a bar with apps in it.This makes it way to launch your favourite apps from anywhere but remember you will not get any floating type apps that hover other apps.
Network speed: On going network speed is displayed on status bar.Both upload and download speed are displayed and you can adjust time interval.
Carrier label: Carrier label can be displayed on status bar which is displayed on to left of it and you set a custom carrier label too.
Buttons: Enable or completely disable navigation bar to increase screen real estate.Navigation bar is completely configurable.You can set custom actions for each buttons too.Double tapping on navigation bar too will put the device to sleep.If you device have hardware keys then there is an option to enable or disable button back light.You can end call by pressing power button and answer call by pressing home button. Volume buttons can be used to wake up the device instead of power button. Button layout too is customizable.
Pie control: This makes navigation easy if you are habituated to it.If you disable on screen buttons then pie control can be used to navigate.Swiping from edges of screen will trigger pie and you will have all navigation required options in there.You can adjust size,color and trigger options of pie too.
Power menu: Advance reboot option is available which includes reboot to recovery or boot loader at any time.
Gesture any where: This lets you to launch apps or any custom actions with a gesture any moment.
Super user: Super user in integrated into device settings so no need of any special root apps for permission management.

There are the features of carbon rom and you can explore and enjoy other feature by flashing this on your htc one m8.

prerequisites:

Backup:Backup all your data which includes apps,contacts,photos videos etc everything to computer or any cloud storage as flashing this carbon firmware on htc one m8 will erase data.
Unlock bootloader before proceeding further.If not you have to follow this guide completely.
Battery: Charge your htc one m8 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 one m8 on current rom.If you loose signal you can just restore it back.
Lock Gps: Lock your gps position on your current rom.If you use this a lot then you have to lock it so that it could work even after flashing other roms.Its easy to lock gps .Turn on gps in settings and find your current location in google maps and now now have locked on to gps.
Custom recovery: You need a custom recovery installed on your one m8 .Without it you can not flash roms at all.
Downloads: Download htc one m8 carbon rom (androidfilehost mirror) and Slim gapps if needed.Transfer them to internal storage.

If you are starting this from scratch you have to follow below three steps to install carbon ron on your htc one m8.

#1: Unlock bootloader of htc One m8

This is first step is to unlock bootloader which you have go through before installing any custom rom on htc one m8 and is a simple process but it requires a computer with Internet connection.

Must read: Basic adb and fastboot commands

Download and install htc drivers i.e sync on your computer if you don't have.
Now power off the device completely and wait for few seconds to confirm that it is completely off.
Hold volume down and power button at same time for few seconds.When you see hboot release buttons.Using volume down for navigation select "fastboot" and click on power button to put one m8 into fastboot.
Once you are in fastboot mode connect it to computer through usb cable and if you notice any driver installation process let it complete first.
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.
One you press enter you have to notics minimal adb and fastboot in command line instead of c or some thing.
Once you are in fastboot window type "fastboot 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.
Now type the command "fastboot oem get_identifier_token" and hit enter.You will get a serial key.Copy that key to notepad or ms-word.
Now open htcdev.com and register with a valid email id.
One you sign up there.Log in to your account and you will find developer centre in top most part.
Click on it and you will have three more options to choose from.select unlock bootloader.
Proceed all other steps as mentioned and you are are asked to submit Submit your key there.
You will receive a mail from Htc which includes a unlock_code.bin file. Download it and move it to fastboot folder which is located in programming files.
Now type the command "fastboot flash unlockcode unlock_code.bin" and hit enter.Check your device ,you will notice a notification on htc one m8 to confirm unlocking bootloader. Click on yes.This will unlock bootloder and also erases all data of your Htc one m8.
You have a unlocked bootloader device which is ready to accept a recovery to be flashed.

#2: Install Twrp recovery on Htc One m8 using fastboot

Now download twrp recovery for htc one m8 above link and paste it in fastboot folder.Don't forget to rename it to recovery or to twrp so that you can type it easily in command.
Put the device in fastboot mode again using button combinations.See it in step 1 if you don't know.
Type the command "fastboot flash recovery recovery.img".This will install latest twrp recovery on your htc one m8 .
Once you have installed recovery reboot it and copy carbon rom which you have downloaded on your computer to One m8 internal storage and head over to next step.

Now that you have recovery installed on your htc one m8 its time for you to flash carbon rom.

#3: Flash carbon rom on one m8 using Twrp recovery:

Download carbon rom for htc one m8 and Gapps transfer it to sdcard or internal storage of device.
Power of the device completely.
Press volume up,volume down and power simultaneously and once you see boot loader screen release buttons.
Using volume down as a navigation button move to recovery and click on power button to confirm action.
Once you are in twrp backup existing rom first.It might about 5 minutes for backup to complete.
Wipe data,cache and dalvik cache.You may not need to wipe system.
Flash ROM and then gapps.
Reboot to system.Wait at least 15 minutes for initial boot to complete and once done you can explore its features.
If rom fails to boot press and hold power button for 15 seconds and it force shutdown.Reboot it to recovery and this wipe system too and flash rom again.

Since one m8 has non removable battery if you experience any bootloops then press and hold power button for about 15 seconds.You will notice that it goes off after few seconds but you have to keep holding for 15 seconds so that it is shutdown down completely.Now use button combinations again to reboot it recovery and do a factory reset again.

Once device boot up you will have android lollipop based carbon rom on your htc one m8.If your facing any issues or have some doubts regarding this guide do leave a comment below.

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