Update Guides

How to Install XXU3CQI8 Android 7.0 Nougat to fix Charging BUG on Galaxy A3 A310F

Samsung has pushed out the latest Android 7.0 Nougat update for the European users having Samsung Galaxy A3 2016 variants. Android 7.0 Nougat comes with build ID A310FXXU3CQI8 that brings a fix for the charging bug that was affecting the previous firmware. Keep in mind that XXU3CQI8 Android 7.0 contains Security Patch August 2017, so if your phone is already running on a newer firmware than this one, then simply ignore given in this guide.

Many users have reported that their devices aren’t charging over 87% as the Galaxy A3 2016 charging bug doesn’t allow devices to charge to their maximum capacity. In this detailed guide, we will let you know that how to install the Android 7.0 Charging BUG Patch Update on Galaxy A3 A310F 2016 that will fix this glitch and you will be able to charge your phone to 100% once again.

Remember that the stock Android 7.0 Nougat having build number A310FXXU3CQI8 is a completely unbranded firmware, which means that there are no pre-installed apps or extra language packs. It is recommended to take a proper backup of all your important data before proceeding to the installation guide.

Now, go ahead and following the given steps to install XXU3CQI8 Android 7.0 Nougat on Galaxy A3 (2016) using ODIN. Odin is an official tool which is used to flash the official firmware on Samsung devices. Now go ahead and proceed to the installation instructions to update Galaxy A3 2016 to A310FXXU3CQI8 Android 7.0 Nougat official firmware update.

Download XXU3CQI8 Android 7.0 Firmware on Galaxy A3

Title: Samsung SM-A310F Galaxy A3 2016 Android 7.0 System Update
Version: XXU3CQI8
Released: 2017 Oct 7
Author: Samsung
Category: ROM Update
Language: English
Countries Where Available: Austria, Croatia, Czech, Denmark, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Norway, Netherlands, Poland, Portugal, Russia, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, UK, Ukraine
Regions Where Available: Asia, Eastern Europe, Europe, Western Europe
Description: Android 7.0 Nougat Software Update for Samsung Galaxy.


This guide containing the Official Android 7.0 Nougat firmware and instructions can be used only with the Galaxy A3 A310F. Do not try to install this firmware on any other device or incorrect variant. Verify the model number of your device by navigating to Settings > About Phone, the model number of your device must be SM-A310F.


AndroidBlog will not be held responsible for any damage occurred to your Samsung Galaxy A3 A310F during or after the installation of Android 7.0 Nougat Proceed at your risk.


  • Make a proper backup of all the existing data and settings of your Galaxy A3 A310F, in case anything goes wrong then you’ll be able to restore your data back.
  • Verify that you’ve correctly installed the Galaxy A3 A310F USB Drivers on the PC.
  • Enable USB Debugging Mode on your Galaxy A3 A310F by navigating to Settings > Developer Options > check the USB Debugging option.
  • If you have a custom ROM installed on the phone, then after installing this stock update, it will be lost.
  • The stock version will replace the custom recovery.
  • If the Galaxy A3 A310F will no longer belong to a rooted version, once the stock firmware installed.
  • Check the battery level of your Galaxy A3 A310F, and it should be charged at least about 80% before proceeding to the installation guide.

Required Files:

How to: Flash Android 7.0 Update for 2016 Samsung Galaxy A3 and Fix Charging Bug:

Step No 1: – First, download Android 7.0 Nougat official update and Odin v3.10.7 for Galaxy A3 A310F on the desktop of your PC.

Step No 2: – Now, extract the archived contents to get the tar.md5 update file. Don’t extract the tar.md5 firmware update file.

Step No 3: – Turn OFF your Galaxy A3 A310F to boot into Download Mode.

Step No 4: – Turn the device ON by pressing and holding the Volume Down + HomePower keys at the same time for a while till the construction Android robot and a triangle appear. Now press the Power button once again to confirm to enter into Download Mode.

Step No 5: – Launch Odin tool on your PC as an Administrator and plug your phone to your PC while your phone is in the Download Mode.

Step No 6: – One of the ID: COM boxes will turn yellow with the COM port number once the phone is connected successfully.

Step No 7: – Select the firmware files tar.md5 that you want to flash on your Galaxy A3 A310F. (Already extracted in Step No 1)

Click on ‘AP’ and select file with ‘AP’ in its name.

Click on ‘CP’ and select file with ‘MODEM’ in its name. Ignore this step if there is no such file.

Click on ‘CSC’ and select file with ‘CSC’ in its name. Ignore this step if there is no such file.

Click on ‘PIT’ and select the .pit file. Ignore this step if there is no such file.

Click on ‘BL’ and select file with ‘BL’ in it’s name. Ignore if there is no such file.

Step No 8: – In Odin, make sure that the Auto Reboot and F. Reset Time options are ticked, but the Re-Partition option should be unchecked.

Step No 9: – Click on the Start button in Odin to initiate the installation process. It will take a few minutes.

Step No 10: – Once the installation process is successfully finished, the Galaxy A3 A310F will restart. Unplug the phone after you see the home screen.

Done! You have successfully updated Samsung Galaxy A3 A310F to Android 7.0 Nougat official firmware update.

Aamir Jamal

An Android Geek and audiophile who love to read and write reviews/tutorials about gadgets and new tech stuff. He has written 1007 guides and other posts.

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