In this guide, we’ll let you know you that how to SIM Unlock Samsung Galaxy S4 for free. The network will probably lock if you have just purchased a new Samsung Galaxy S4 from a carrier and you will be required to SIM unlock it because it is important if you wish to use your S4 on any other network. Here, we have given some easy steps that will help you to SIM unlock the Galaxy S4 and you can do it for free.
How to SIM Unlock the Galaxy S4 (Free Method)
This is a free method and is our favorite but you’ll need to be careful and follow every step without mistakes. In the case of anything doing wrong or mistake, you might brick your device. Make sure that the battery level of your phone is about 60 to 70% before proceeding to further steps. This method is tested and works with the following variants of Samsung Galaxy S4:
Step 1: Open the phone dialer of your Samsung Galaxy S4.
Step 2: Dial *#0011#
Step 3: Press Menu
Step 4: Tap Back
Step 5: Now press Menu and open the Key input
Step 6: Enter 1 and press OK
Step 7: Press Menu and tap Back
Step 8: Tap UMTS
Step 9: Tap DEBUG SCREEN
Step 10: Tap PHONE CONTROL
Step 11: Tap NETWORK LOCK
Step 12: Tap PERSO SHA256 OFF
Step 13: Press Menu and then Back
Step 14: Tap COMMON
Step 15: Tap NV REBUILD
Step 16: Tap RESTORE BACK UP
After completing the above steps, your will freeze. So wait for a while and press Menu when you can, then Back key ON and then your device will reboot.
Done! You have successfully SIM unlocked your Samsung Galaxy S4.
We hope that this method will work for you but still, you are unable to SIM unlock your phone then you can try the alternative method, which needs you to purchase an unlock code.
How to SIM Unlock the Galaxy S4 with doctorSIM:
Step 1: First, find the IMEI code of your Galaxy S4 by navigating to Settings > About device > Status or simply by dialing **#06#*.
Step 2: Go to doctorSIM.com and purchase an unlock code for your IMEI.
If you encounter any issues while SIM unlocking your Galaxy S4, please let us know in the comments area below.