[Guide] Unlock Samsung Galaxy J3 J320F / J320H / J320A

Samsung Galaxy j3 j320F / j320H / J320A SIM network unlock PIN. Someone when received the machine from abroad (Maybe to be relatives, may be ordered ship from abroad …), but when the Sim on the Samsung machine received the message “SIM NETWORK UNLOCK THE BATTERY” . This notice means that your Samsung Galaxy phone is locked, you must UNLOCK SAMSUNG GALAXY J3 to use as normal as the international version.


This article is written for the purpose of advertising the service is the main, and the audience is the Technician to have orientation in the Samsung Unlock, because the data in this article or have to buy or must have Box Repair, so you read do not get angry at not find the method Free – At LGVINH we get Unlocked all models of portable Samsung mobile from abroad for affordable, lifetime warranty is not Relock .

Enter the main content:

When you remove the Sim on the Samsung Galaxy j3, when the computer will start up a message “SIM network unlock PIN” – This means that your machine is locked sim and lock the network. Unlock it – it’s unlocked …

There are 2 basic ways to unlock.
The easiest way is to contact the service code Unlock Code, Order Code (Unlock Code is a series of 13 numbers – used to enter the phone and decode your phone to international machine). After the Code Unlock, you just enter below the “SIM network unlock PIN” and press Unlock is complete.
The second way is to use the Tool Box, there are many boxes support Samsung Unlock. In this article we learn how to use the BOX
– First is the Root machine, you refer to the root in this tutorial [Guide] Root Samsung Galaxy j3 (j320F / j320P) Android Lollipop
– After root, go to the Devlopper Options section under OEM Unlock and USB Debugging
– Plug in the cable. Section Modem select the correct line

Select the correct Modem on Box Repair

– Switch to Unlock, Check ADB connection between PC and phone if available. Z3X Box will use ADB connection to perform the Unlock
– If the connection is successful, click on UNLOCK, the program will start running
– Wait for the program to run successful Unlock is OK, your machine can be used as an international version.

Select Unlock to proceed Unlock phone

There are many other Box Repair can support to Unlock Samsung Galaxy, in the future if there is a chance I will share to you. Good luck!

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