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Popular custom ROM developer community CyanogenMod has released the latest CM13 series firmware to the Samsung's 2013 flagship smartphone Galaxy S4 (Verizon) model.

CM13 is based on the Android Marshmallow OS. It brings the new Doze power saving feature, faster Chrome browser, more intuitive Now on Tap feature, new security feature verified boot system, support for more international dialects, a new contextual assistance feature and numerous other features to enhance user-experience on Samsung Galaxy S4.

Read more: Google Android 6.0 Marshmallow: 7 key features you need to know

Prerequisites (things to remember before installing Custom ROM)

  • This new CyanogenMod [official] Android 6.0 Marshmallow CM13 custom ROM has to be installed on Samsung Galaxy S4 (SCH-I545) Verizon (codename: jfltevzw) model only, if tried on other devices, they might get bricked [to check your device model: Go to Settings >> About phone >> model number].
  • Though installing custom ROM improves the device's performance and UI experiences, it makes the company warranty void; the company will no longer be liable to provide updates in future [users can restore warranty by flashing the device with stock-ROM].
  • Make sure the device is rooted before going ahead with custom ROM installation.
  • Installation of custom ROM requires clearing memory in the phone, so make sure to back all the data by installing Clockwork Mod (CWM) Recovery/ TWRP in the smartphone.
  • Make sure USB driver is installed on the PC or else your device (Galaxy S4 Verizon) will not be recognised by the computer.
  • Make sure your device has more than 80% battery, or else there is a chance of the smartphone getting temporarily bricked if the installation process is interrupted midway.

[Disclaimer: This procedure is very technical and should be performed by a person with sound knowledge of rooting (or manual software installation) Android devices. If the step-by-step installation process is not followed properly, there are chances of the smartphone getting bricked or being permanently irreparable. IBTimes India cannot be held responsible for any damage or claims from readers if the procedure does not yield the required results or if the smartphone is bricked. Hence, users are advised to proceed with caution.]

Tutorial: Step-by-step installation procedure for CyanogenMod [official] Android 6.0 Marshmallow CM13 custom ROM on Samsung Galaxy S4 Verizon (SCH-I545)-

Step 1: Download CyanogenMod [official] Android 6.0 Marshmallow CM13 custom ROM and Google Apps on to your PC.

[scroll down to find the downloadable CyanogenMod firmware and files]

Step 2: Connect Samsung Galaxy S4 (SCH-I545) to PC via USB cord.

Step 3: Place CyanogenMod [unofficial] Android 6.0 Marshmallow CM13 custom ROM zip file and Google Apps .zip file 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 users' begin installing the custom software, be sure that the device must have rooted and has installed ClockworkMod Recovery/TWRP tool.]

Step 4: Turn off the device and disconnect from the PC.

Step 5: Perform the regular Recovery Mode sortie by press holding 'Volume (up)', 'Home' and 'Power' buttons.

Step 6: After entering the RECOVERY mode, clear the phone memory, by selecting 'wipe data/factory reset'

[Note: use 'Volume' keys to navigate and 'Power' button to select options, while operating under Recovery Mode]

Step 7: Clear the cache memory by choosing 'wipe cache partition'

Step 8: 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 9: Navigate back to main recovery screen and then tap 'install zip from SD card'

Step 10: Tap 'choose zip from sdcard' and go to Android 5.1.1 Lollipop ROM .zip file in SD card and enter the installation process. Repeat the same procedure for Google Apps installation [Note: use 'Volume' keys to navigate and 'Power' button to select options]

Step 11: 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.

Now, your device (Samsung Galaxy S4 SCH-I545) will take a few minutes to complete the booting process.

Users then head to Settings >> select About phone to confirm the installation of CyanogenMod [official] Android 6.0 Marshmallow CM13 custom ROM.

Downloadable files:

CyanogenMod [official] Android 6.0 Marshmallow CM13 custom ROM nightly: HERE [Buid date: 10/12/2015]

CyanogenMod Recovery: HERE

Google Apps: HERE

USB Driver: HERE

[Credits: CyanogenMod]

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