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CyanogenMod has been releasing official CM 13 Nightly builds to many devices and the latest one to the addition is the Nvidia SHIELD Portable; the one with a console. It comes with a codename roth and come to its officially. Now you can enjoy all the functionalities and features of your Shield devices with the latest Android source code. This will take your device to Android 6.0.1 Marshmallow update. The Nvidia Shield Portable may or may not receive the official Marshmallow update from the manufacturer as there is no word from the manufacturer yet.

So now with CyanogenMod 13, you can make the most out of your Android device. The link for CM 13 isn’t available just yet. However, the CyanogenMod team can provide it anytime soon. So stay tuned.

Warning: Once you root or install a custom ROM, your warranty may be void. We at AndroidSage won’t be liable for any damage to your Android device. Reader’s discretion is advised.

Download Marshmallow For SHIELD Portable

  • Official CyanogenMod 13 for Nvidia SHIELD Portable 
    Download | Check out the link for updates
  • Official CyanogenMod 12 for Nvidia SHIELD Portable
    Download | File: cm-12.1-20160314-NIGHTLY-roth.zip (243.32 MB)
  • Marshmallow Compatible Google Apps:
    → Open Google Apps → Link | File: open_gapps-arm-6.0-stock.zip
    → Dynamic Gapps → Link | File: BaNkS-Dynamic-GApps-6.x.x-11-21-2015.zip
  • Flash SuperUser for Root Access
    → SuperSU v2.68 → Link | File: BETA-SuperSU-v2.68.zip

You may also like: Official Marshmallow OTA Nvidia Shield TV Update and Marshmallow OTA Update 4 For Nvidia Shield Tablet.

Prerequisites

1. Verify your device before you proceed. The listed ROMS are compatible with Nvidia Shield Portable only.

2. Make sure you have a custom recovery installed on your device. Latest build from TWRP is highly recommended. Get the TWRP from our tutorial page.

3. Make sure you have latest device drivers setup on your PC in order to transfer the files to your device’s internal storage. Get it from the official page of your device manufacturer.

4. Fully charge your device as the process make take a while.

How to Update Nvidia Shield Portable to Marshmallow with Official CM 13

Step 1: Download the ROM  of your choice from above. Also, download the Android 6.0 Marshmallow compatible Google Apps from the above download section. If you are looking for root after installation, download the SuperSU package from the list.

Step 2: Transfer all the necessary files to you device’s internal storage or SDcard. Place the files where you can easily locate it.

Step 3: Now boot into TWRP recovery. To do so, turn off your device completely and then press and hold the power button and volume down key for a few seconds. Once you see the TWRP logo, that means you have successfully booted into the recovery. Alternatively, if you have rooted device, then use Android apps like the Quick boot or Boot Smart.

Step 4: Once into TWRP, take a Nandroid backup. To do so, tap Backup option and select all the partitions including the system, data, boot, recovery, EFS and cache(optional).

Step 5: Now wipe the current system. To do so, return to home screen and tap the Wipe option in TWRP. Tap Advanced Wipe and select partitions like system, boot, data, cache, Dalvik cache. Do not, in any case, select internal storage, unless you know what you are doing.

Step 6: Now return to the home screen again and tap Install option. Navigate to the ROM file from your internal storage and select it.

Step 7: Now swipe right on the confirmation action button below to install the ROM.

Step 8: Once installed, go back and select the compatible Google apps zip file from the location in your internal storage.

Step 9: Once selected, swipe right on the confirmation action button below to flash them.

Step 10: Once installation completes, you can wipe the Dalvik cache or simply choose reboot to system option.

Step 11: Once you reboot, you should see the new boot logo. This means that the ROM has been installed successfully. First boot may take a while. If the ROM doesn’t boot or you come across boot loop, a factory reset from the recovery should do the trick. If that fails, you can restore your previous ROM from the TWRP recovery.

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Source: AP, CM

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