How to Upgrade Kitkat Smartfren Andromax G2 (AD681H)

In this tutorial I will give you a practical way how to upgrade Smartfren Andromax G2 (AD681H) to Kitkat 4.4.2 from 4.3 Jelly Bean without root.

Steps:

First backup all your important data.
Download the required files below
– AD681H-Kitkat1.zip
– Recovery.zip
Copy the file AD681H-Kitkat.zip to ROM folder in sdcard.
Extract the files Recovery.zip.
Turn off the phone, go into recovery mode by pressing the Power + Vol-Up simultaneously and immediately released when the smartfren logo appears .
On the Android menu system recovery, perform wipe data / factory reset and wipe cache partition (see Figure 1)
Figure 1
Still on the Android system recovery menu, go to apply update from sdcard and then to go to the ROM folder (see figure 1)
Figure 2
Select AD681H-Kitkat.zip (see figure 3), after which the process of upgrading to kitkat will run, wait until the process is finished
Figure 3
Finished, restart hp