Asus already gave an update Android 5.0 Lollipop For ASUS Zenfone 5 LTE A500KL or Asus Zenfone 5 LTE. Today Asus Zenfone Blog will teach you How to Downgrade ASUS Zenfone 5 LTE A500KL from Android 5.0 Lollipop to KitKat 4.4.
Notes:
- This method will downgrade Android 5.0 (Lollipop) to Android 4.4 (KitKat) TW_11.4.6.94 or WW_11.4.6.94; software can not be converted back into the other version version.
- The system version will revert back to the board to default values and cause data loss; you need to take to back up important data before back version.
- Make sure Zenfone Battery above 20%
- Please go to [Settings] -> [storage space], and select the USB connection mode to " media device (MTP) . "
- Please go to the following URL to download descending brush tool:http://www.asus.com/tw/Phones/ZenFone_5_A500KL/HelpDesk_Download/
- Select Android
- Choose Firmware
- Download file ( TW_A500KL_11_4_6_94.zip for TW version and WW_A500KL_11_4_6_94.zip for WW version) decompression, renamethe following file " TW_A500KL-11.4.6.94-20141218_M3.5.22-ota-user.zip " or " WW_A500KL-11.4.6.94-20141218_M3.5.22-ota-user.zip "
- Connect your phone and computer using Micro USB, and copy TW_A500KL-11.4.6.94-20141218_M3.5.22-ota-user.zip/WW_A500KL-11.4.6.94-20141218_M3.5.22-ota-user.zip to the root directory of the phone's internal storage space.
- Turn the phone off, then hold down the "power button" and "volume down key" hold to enter Recovery Mode.
- see the following screen, press the volume keys to select " 1. Enter SD download mode ", then press the power button to perform to confirm the action.
- Press the Volume button to select " Apply Update from Internal Storage ", then press the power button to confirm.
- Press the Volume button to select " 0 / "and then press the power button to confirm.
- Press the volume keys to select " TW_A500KL-11.4.6.94-20141218_M3.5.22-ota-user.zip " / WW_A500KL-11.4.6.94-20141218_M3.5.22-ota-user.zip , then press the power button to confirm.
- After the update is complete, press the volume button to select " Wipe Data / Factory RESET ", then press the power button to confirm.
- Press the volume keys to select " Yes - delete user All Data ", then press the power button to confirm.
- press the volume keys to select " reboot system now ", and then press the power button to confirm.
- Downgrade version is complete, up to [Settings] -> [about] -> [Software Information] to check the version number is a V11.4.6.94 .