Finally, users of HTC One M7 can now manually install Android 5.0.2 Lollipop update on their handsets.
An experimental CM series build was rolled out for the 2013 flagship phone, according to IBTimes. The custom CM12 firmware was rolled out by a senior XDA developer known as "antod040."
Users who wish to install Android 5.0.2 update must have a Custom ROM and only made available for HTC One M7 GSM.
In addition, to avoid power interruption issues when installing Android 5.0.2 update C-ROM, it is advisable that the battery level is at least 80 percent. HTC One M7 users also need to make sure that the appropriate USB drivers are already installed on the computer so the Android device can easily connect to the PC.
Creating a backup for all the files installed on the smartphone is necessary. ClockWorkMod is one of the most recommended recovery tools for making a backup.
After carefully following these pre-requisites before installing Android 5.0.2 Lollipop update. Users can now proceed with this step by step guide provided by Team Android.
Note: Download at your own risk.
Step 1: Download CyanogenMod [Unofficial] Android 5.0.2 Lollipop CM12 latest (20/12/2014) custom ROM build (HERE) and Google Apps (HERE) in to your PC.
Step 2: Connect HTC One M7 to PC via USB cord.
[Note: Before plugging the phone to the computer, be sure that you have installed USB driver software, if not, click HERE to download the firmware]
Step 3: Then, place Android 5.0.2 Lollipop zip file and Google Apps files into the phone's SD card memory. [Note: Users are advised to paste the .zip file in SD card root, not in any other folder.]
[Note: Before installing the custom software, be sure that the device must have been rooted and has installed ClockworkMod Recovery tool.]
Step 4: Later, place boot.img file in to the android-sdk-windowsplatform-tools directory
Step 5: Now, turn off the device and disconnect from the PC.
Step 6: Perform the regular Bootloader mode sortie, by press holding 'Volume (Down)' and 'Power' buttons.
Step 7: After entering the Bootloader mode (on the phone), go to android-sdk-windowsplatform-tools directory (on the PC) and open Command prompt, then type in: 'fastboot flash boot boot.img' and press enter.
(To enter Command prompt: Shift + right-click >> open Command Prompt)
Step 8: Then, type - "fastboot reboot" and press enter. Then, follow instructions displayed on the screen. Select BOOTLOADER option to enter Recovery Mode.
Step 9: After entering the Recovery mode, clear the phone memory, by choosing "wipe data/factory reset"
[Note: use Volume keys to navigate and power button to select options, while operating under Recovery Mode]
Step 10: Now, clear the cache memory by selecting "wipe cache partition."
Step 11: Then to go back to ClockworkMod recovery, and select "advanced" and tap "wipe dalvik cache"
[Note: This step is optional, but many recommend this procedure so that user will not face boot loops or any other errors in the middle of custom ROM installation]
Step 12: Again come back to main recovery screen and then tap 'install zip from SD card'
Step 13: Then tap "choose zip from sdcard" and go to Android 5.0.2 Lollipop ROM .zip file in SD card and enter the installation process. Repeat the same procedure for Google Apps [Note: use Volume keys to navigate and power button to select options]
Step 14: Once done with the installation process, navigate to "+++++Go Back+++++" and re-start the device by opting "reboot system now" seen in the recovery menu.
After the system reboot your HTC One M7 GSM only handset will now run on Android 5.0.2 Lollipop.
