1. Connect the USB cable from your PC to the device and enable USB mass storage mode on the device.
2. On your PC you should see an internal and external USB mass storage drive (SD card) appears in the File Explore and copy "CFE-TC55-K-xx-2.68-N-00-01.zip" file to any storage.
3. Press and hold on the device the Power button, Scan/Action button and Vol+ until the screen is turned OFF.
4. Release the Power and Scan/Action buttons and continue to hold Vol+ button.
5. The device should enter to Recovery update mode.
6. Release Vol+.
7. Click on Vol+ or Vol- to navigate and select appropriated storage.
8. Click on Scan/Action button to select the option.
9. Click on Vol+ or Vol- to navigate to the recovery update zip file.
10. Click on Scan/Action button to select the recovery update zip file.
11. Device will automatically reboot and will be ready to use.
12. There are two ways to Check the Android Patch Level after install the CFE package in the device,
- Settings->About Device-> Zebra Patch Version
- Run “getprop persist.sys.cfe.patchver” command in ADB Shell.