Download J727AUCU3ARA2 January 2018 Security for AT&T Galaxy J7 SM-J727A

AT&T is rolling out a new firmware update for AT&T Galaxy J7 SM-J727A on it’s network. The update is based on Android 7.0 Nougat that brings latest security patch for the month of January 2018 along fix for the some multiple security issues in the firmware. The update is now live as we speak and is available to download as build J727AUCU3ARA2, in this post we have mentioned each possible way to update your device right away without wasting time. The firmware for can be updated via OTA, Kies and Odin as well, but we recommend you try the OTA update first, go to Settings > About device > Check software updates.

You can also install J727AUCU3ARA2 firmware on AT&T Galaxy J7 SM-J727A using Samsung Kies, here we have posted a guide to update Samsung firmware via Kies.

Firmware details:

Device Name: Samsung Galaxy J7 (AT&T)

Model: SM-J727A

Android version: 7.0

Region: USA

Build Number: J727AUCU3ARA2

Android Security Patch Level: 1 January 2018


Download J727AUCU3ARA2 January 2018 Security for AT&T Galaxy J7 SM-J727A

Early preparations:

Your device should be charged 70% at minimum to avoid shutting down during the process.

Enable USB Debugging. Go to Settings > Developer Options > Enable USB debugging

Back up your important data.

Download Odin tool 3.12.3 from this link

Download the latest USB drivers for Samsung from this link and then install them on PC.

Download J727AUCU3ARA2 January 2018 Security for AT&T Galaxy J7 SM-J727A

Download the firmware from the link below.

It’s the device to turn off your device completely.

Now boot your device into Download Mode, to do so follow this guide

Once in download Mode, follow this guide to update January patch on AT&T Galaxy J7 SM-J727A via Odin.


Download January patch J727AUCU3ARA2 firmware for AT&T Galaxy J7 SM-J727A. Download

Link is not available till then try the Kies or OTA method above

That’s it! If this guide helped you, please share it with others, Thank You.


A Software Engineer by profession but a full time blogger. I am a passionate blogger who love to hang around modern gadgets and write latest news from the technology world.

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