How to Root Galaxy Amp Prime or Galaxy Express Prime GoPhone [J320AZ/J320A]

Galaxy Amp Prime and the Galaxy Express Prime GoPhone, both these devices are basically the Galaxy J3 coming under different carriers. The Galaxy Amp Prime comes under Cricket while Galaxy Express Prime GoPhone comes under At&t. Both these phones have same specifications, same build quality, same design and same operating system. The only difference is between the connectivity modules since these devices belong to two different network carriers.

Galaxy Amp Prime and Galaxy Express Prime both have a 5-inch Super AMOLED screen with a 2 MP camera fixed atop. A 5 MP camera is fixed at the back. These phones have 16 GB internal storage and also support microSD cards. Samsung has used its in-house Exynos 3475 CPU to add more power to these phones. A RAM of 1.5 GB is fixed under the hood. These phones have a 2600 mAh battery. Android 6.0.1 Marshmallow can be found when you unbox these phones.

It’s always fun to tweak the low-end or mid-range smartphones. If a method to root such phones is available, you can do stuff like installing Xposed Framework to load in tons of new features. CPU overclocking and underclocking is another thing that you can do on such low-end smartphones. But any such thing directly depends on root access. If there is no method to root your phone is available, you will not be able to apply these goodies to your phone and unleash the potential it’s hiding under the hood.

For Galaxy Amp Prime and Galaxy Express Prime, the root access has made its way. You can now easily root these phones by means of a patched boot image and then installing the all-time famous Kingroot application. Kingroot can be later replaced easily by Super SUME. Rooting the phone will definitely void its warranty, so you need to be a little careful.

In case this procedure causes a harm to your device, you cannot hold TechBeasts or the root developer responsible. You are going to do it at your own risk. If you have understood everything and you know what risks rooting your phone involves, then go ahead and follow the steps to root Root Galaxy Amp Prime or Galaxy Express Prime GoPhone.

Root Root Galaxy Amp Prime or Galaxy Express Prime GoPhone

Important prerequisites

This guide is applicable on Galaxy Amp Prime J320AZ and Galaxy Express Prime J320A only. Do not try this method on any other device as you will result in bricking it because of invalid files.

Charge your phone up to 50% to avoid power issues during flashing process.

Enable USB deubgging from the developer options in your phone.

Enable OEM Unlocking on your phone from the developer options as well.

Backup all your important contacts, call logs, sms messages and media content.

Use your phone’s original data cable to connect it to your PC.

If you have Samsung Kies installed on your PC, turn it off while using Odin.

Disable Firewall/Antivirus in order to download the files properly.

Follow the rest of the method being very careful.

Required downloads:

1. Download and install Samsung USB drivers
2. Download and extract Odin 3.11.1 on your computer’s desktop
3. Also, Download boot image for your phone: ENG_BOOT_J320A_PG1
4. Download KingRoot and Super SUME APK files. Extract the folder and copy the APKs to your phone’s internal storage.

How to flash boot image to make the phone root-able

1. Open Odin.exe from the extracted Odin files you downloaded on your computer’s desktop.
2. In Odin, click the “AP” tab in Odin and select the ENG_BOOT_J320A_PC1.tar for your device that you just downloaded above.
3. The only options checked in Odin should be Auto Reboot and  F.Reset Time. No other options should be ticked.
   
4. Now put your phone in download mode. Turn it off first. Now press and hold Volume Down + Home + Power buttons. As soon as it boots up, leave the keys. Once it shows warning, press Volume Up to continue.
5. Connect your phone to your PC while Odin is open.
6. Once your the ID:COM box turns blue in Odin after the successful connection, click the Start button.
7. It will flash the boot image file and reboot the phone now.

Install Kingroot

1. Now on your phone, go to settings > security > allow unknown sources.
2. Open a file manager and locate the copied Kingroot APK file.
3. Tap the Kingroot APK file and install it.
4. Once installed, open Kingroot from the app drawer.
5. Tap the Android Icon on the screen shown in Kingroot or if it’s already processing, let it do that.
6. Kingroot will start finding an exploit to root your device now. As soon as it finds an exploit, it will root and reboot your device.

Replace King User with SuperSU

1. Install Super SUME APK just the way you installed Kingroot.
2. Open Super SUME from the App Drawer now.
3. Follow the instructions on-screen to finish the Super SUME procedure.
4. Super SUME will begin to uninstall Kingroot in favour of SuperSU now.
5. After uninstalling KingRoot it will install SuperSU.
6. SuperSU will appear in app drawer after installion. That’s all.

Don’t forget to checkout:

• 10 Best Applications for a Rooted Android Smartphone
• 10 Reasons Why You Should Root Android
• What is Android CPU Underclocking/Overclocking and How to Attain it
• How To Calibrate Battery On Android

Credits: Ashyx