This Firmware flash for Samsung Galaxy Folder with the Model Number is SM-G155S. Firmware Region is South Korea and CSC code is SKC SK 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 G155SKSU1AOK5 with OS Lollipop(Android 5.1.1) and the Firmware are build on Tue 01 Dec 2015 13:28:00 pm.

Download Firmware Samsung Galaxy Folder (SM-G155S)

AP Version: G155SKSU1AOK5
CSC Version: G155SSKC1AOK5
Android Version: Lollipop(Android 5.1.1)
Region: SKC SK Telecom
Country: South Korea
Binary: 1

Build Date: 2015-12-01 13:28:00
Size: 943.01 MB
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About Phone:

Samsung Galaxy Folder Android smartphone. Announced Jul 2015. Features 3.8″ TFT display, 8 MP primary camera, 2 MP front camera, 1800 mAh battery, 8 GB storage, 1.5 GB RAM.

Admin Nov 06, 2020 SM-G155S, SKC

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How to flash firmware

Extract (unzip) the SM-G155S_SKC_G155SKSU1AOK5......G155SKSU1AOK5.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.