How to Upgrade Jelly Bean Build FK23 on Sprint Epic 4G Touch (aka Samsung Galaxy S II SPH-D710)

Warning!
This How-To only for the Sprint Epic 4G Touch, apply it to another device may brick your phone.


Prepare following things.

- Samsung_USB_Driver_for_Mobile_Phones_v1.5.14.0.exe from Samsung.com.
- SPH-D710_FK23_549262_Rooted_Restore.exe from Rwilco12's Android Repository!
- Back up your Data!

OK, Follow the order.

1. Install Samsung USB Driver.

2. Open the SPH-D710_FK23_549262_Rooted_Restore.exe on your PC.

3. Press power and volume down on your phone at the same time.


4. At download mode, press volume up.


5. Connet USB cable.

6. Click start button on the SPH-D710_FK23_549262_Rooted_Restore.exe.


7. After downloading, your phone will reboot.

Upgraded to Android 4.1.2 Jelly Bean Build FK23

theplan ashton Level 1
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