Download the official Android 4.4.2 for Samsung GALAXY ACE4 SM-G313M - G313MUBU0AOI2 ,This firmware supports all the regions with CSC code, with easy and high-speed download links that support resuming.
GALAXY ACE4
401857
Choose one of the download links below to download the file
Download SamFw 2 server Download samfrew.com server Download sfirmware server Download galaxyfirmware server Download sammobile server Download androidfilehost server Download firmwarefile server1. Extract (unzip) the Samsung firmware file. It's recommended to use WinRAR or 7-Zip.
2.Download Odin Tool version 3.13.1.
3. Extract the Odin ZIP file.
4. Open the Odin executable file.
5. Reboot your Samsung GALAXY ACE4 into Download Mode (hold Home + Power + Volume Down buttons / hold Volume Down + Bixby buttons, then plug in the cable).
6. Connect your Samsung phone and wait until you get a blue sign in Odin.
7. Add the single file Samsung firmware to the AP/PDA slot or the 4 files Samsung firmware (AP/BL/CP/CSC) to their respective slots.
8. Make sure the re-partition option is NOT ticked.
9.Click the START button, sit back, and wait a few minutes.
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