How To Root And Unlock Samsung Galaxy S4

By Technobezz

First Published on July 03, 2018

This article is 6 years old.

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Today, we are going to show you How To Root And Unlock Samsung Galaxy S4. There are two types of mobile phone users: those who will use default device software with no questions and observation, and others who want to explore other possibilities and to have full freedom with their phone. Are all those useless applications bothering you? Do you want to free up your RAM memory, and choose the applications you will use in multitasking mode, as well as many other opportunities, then it is time for to root your Galaxy S4. Root gives you superuser permissions.

To use root privileges you first need to unlock your Galaxy S4. Today, many people buy phones from their local operators who initially may only be used on that network. If you want to use your Samsung galaxy s4 with another SIM card, then unlocking it will grant that permission. Unlocking methods can be risky, but if you carefully follow the instructions, your Samsung galaxy s4 will be successfully unlocked.

How To Unlock Samsung Galaxy S4

1 Dial * # 0011 # on your phone

2 Then press MENU and BACK

3 Press MENU again and then KEY INPUT and then type 1 and press OK

4 Press the MENU button and then press the BACK

You are now entered in the SERVICE MODE MAIN MENU.

Tap UMTS

Then DEBUG SCREEN

Then PHONE CONTROL

Then NETWORK LOCK

Then tap PERSO SHA256 OFF

Then go back to the UMTS main menu by pressing menu and then back and then COMMON

Then press NV REBUILD

Then press the RESTORE BACK UP

Your phone will “freeze” and then a black screen will appear. After that, you will see shining blue LED lamp, and then Menu and the Back key will appear. Wait until the phone restarts (it will take 1 minute), and your Samsung galaxy s4 will be successfully unlocked.