How to Flash ASUS Padfone S PF500KL

Today Asus Zenfone Blog will share tutorial How to Flash ASUS Padfone S PF500KL with stock firmware/update firmware. With this method (method 2) you can flash your padfone s in case your padfone s is bootloop or can't enter homescreen. These methods will wipe all your data, so backup first before you do this tutorial.

Method 1 (Update/Flash via Internal Storage)

1. Download the .zip firmware from ASUS website : http://www.asus.com/Phones/PadFone_S_PF500KL/HelpDesk_Download/ (Driver and Tools> Select OS Android> Firmware) Make Sure you download the same SKU with your Padfone S ( TW>TW, WW>WW). you can see your SKU at Build Number
2. After Download .zip firmware, then place it to Padfone S internal storage (not sdcard)
3. Then go to settings>About>System Update>Check for Update
4. Wait for Notification to update (If no notification try rebooting device)
5. Choose the .zip package and wait until finish.

Method 2 (Flash via Recovery)

1. Download the .zip firmware from ASUS website : http://www.asus.com/Phones/PadFone_S_PF500KL/HelpDesk_Download/ (Driver and Tools> Select OS Android> Firmware) Make Sure you download the same SKU with your Padfone S ( TW>TW, WW>WW). you can see your SKU at Build Number
2. After Download .zip firmware, then place it to SDCard
3. Insert SDCard to Padfone S
4. Turn off Padfone S then enter recovery by pressing power+volume down
   
5. After above image shows, choose 1. boot to recovery Mode
6. Then at Recovery mode, choose wipe data and factory reset
   
7. Choose apply update from external storage, and choose your .zip firmware
8. Wait until Finish