This Firmware flash for Samsung Galaxy Ace 4 with the Model Number is SM-G3139D. Firmware Region is China and CSC code is CTC China Telecom. Make sure the Model Number are correct with you device. You can check the Model Number in Setting - About phone (Model Number), If phone can't start you can find it by flipping your phone or among the things you found in the box. This Firmware PDA is G3139DKEUAOE2 with OS Jelly Bean(Android 4.3) and the Firmware are build on Fri 22 May 2015 15:40:00 pm.

Download Firmware Samsung Galaxy Ace 4 (SM-G3139D)

AP Version: G3139DKEUAOE2
CSC Version: G3139DCTCAOE2
Android Version: Jelly Bean(Android 4.3)
Region: CTC China Telecom
Country: China
Binary: N/A

Build Date: 2015-05-22 15:40:00
Size: 635.77 MB
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About Phone:

Samsung Galaxy Ace 4 Android smartphone. Announced Jun 2014. Features 4.0″ TFT display, 5 MP primary camera, 1500 mAh battery, 4 GB storage, 512 MB RAM.

Admin Nov 06, 2020 SM-G3139D, CTC

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How to flash firmware

Extract (unzip) the SM-G3139D_CTC_G3139DKEUAOE2......G3139DKEUAOE2.zip file. using WinRAR or 7-Zip.
Download Odin Tool 3.14.1
Extract Odin and open it.
Reboot Samsung Phone in Download Mode (hold Home + Power + Volume Down buttons / hold Volume Down + Bixby buttons then plug-in cable)
Connect you Samsung Phone and wait until you get a BLUE sign in Odin.
Add the 1 file Samsung firmware to AP/PDA or 4 files Samsung firmware (AP/BL/CP/CSC) to it's slots.
Do NOT tick any extra boxes. The only options to be ticked are F.Reset Time and Auto-Reboot.
Click the start button, wait for Odin to say 'PASS' in a GREEN sign. Once the flash is complete, your phone will reboot, and you can disconnect your phone from the PC.