OS Downgrade from Lollipop to KitKat

Article ID: 86000444

Issue / Question

How to downgrade device from Lollipop to KitKat?

Applicable To

MC18-Lollipop, OS version v02 09 02

Resolution / Answer

*** This procedure only applied to OS version v02.09.02

Procedure to downgrade device OS from Lollipop to KitKat:

  1. Download KitKat OS Conversion file, M18N0LXXVRDXX00002.zip and KitKat OS recovery file, M18N0KXXXRUxx20120.zip from MC18 Operating System - Android support page: 
  2. Connect device to PC via USB port. Note: PC must support MTP.
  3. Make sure MTP mode is selected in the device's USB setting and MTP driver installed successfully in PC.
  4. The internal SD card of the MC18 will be seen on your PC as mounted drive MC18N0.
  5. Copy M18N0LXXVPKXX00254.zip, M18N0LXXVRDXX00002.zip and M18N0KXXXRUxx20120.zip to the root folder of “On Device Storage”.
  6. Remove USB cable from PC and keep the device in cradle with power supply.
  7. Press and hold scan button for approximately 10 seconds, now the device will be in power/switch off mode.
  8. Press the scan button briefly (2 secs) and release it. The device will start to power on.
  9. Keep holding down scan trigger immediately after the devices powers on in prior step.
  10. When Android logo appears on the screen release scan trigger. Note: If the terminal is in cradle and the trigger is pressed for more than 10 seconds it will power off. So, in step above, ensure to remove the trigger as soon as the android logo appears.
  11. Navigation in the recovery menu is as follows:
    • Tap on the display to switch through the options/files.
    • Press scan button to select an option/file.
  12. Select "apply update from On Device Storage"
  13. First, navigate and select M18N0LXXVRDXX00002.zip on /sdcard.
  14. When update is complete, select "reboot system now".
  15. Go into Recovery mode again by following step 9 & 10. Then, select M18N0KXXXRUxx20120.zip to install Kitkat OS.
  16. Select reboot system now after update completed.
  17. The device will boot to KitKat after reboot. note: it will be much slower for 1st time boot into KK OS.

Note: Battery must be 30% charged to perform OS downgrade. iframe#_hjRemoteVarsFrame {display: none !important; width: 1px !important; height: 1px !important; opacity: 0 !important; pointer-events: none !important;}

+ Applicable Products

  • MC18