Samsung Galaxy A15 SM-A155F Firmware (Flash File) Download - Odin 4 File

Is your Samsung Galaxy A15 stuck on the logo, restarting again and again, or running slow after a failed update? Flashing the official stock firmware will fix most software problems. Below you can download the SM-A155F 4 file firmware and follow our simple Odin guide.

Important: Flashing with the normal CSC file erases all data. Back up your photos and contacts first, and charge your phone above 50%.

Samsung Galaxy A15 Firmware Details

Device	Samsung Galaxy A15 (4G)
Model Number	SM-A155F / SM-A155F/DS
Chipset	MediaTek Helio G99 (6 nm)
Android Version	Android 16 (One UI 8.5)
Latest Build	A155FXXSCEZH3 (August 2026)
File Size	About 6.8 GB
Firmware Type	Official Stock ROM (4 File: BL, AP, CP, CSC)
Flash Tool	Odin 3.14.4 or newer
Price	Free

Samsung Galaxy A15 SM-A155F Official Firmware (4 File) - from SamMobile

⬇ Download Firmware

On the download page, select model SM-A155F, then choose your country (CSC). For India, choose INS. A free SamMobile account is required.

Samsung USB Driver (official, from Samsung)

⬇ Download USB Driver

What You Need

• A Windows computer and the original USB cable
• Samsung USB Driver installed on the computer
• Odin flash tool (version 3.14.4 or newer) - see our Odin downloads
• The firmware file above, extracted with 7-Zip or WinRAR

How to Flash Samsung Galaxy A15 with Odin

1. Extract the downloaded firmware zip. You will get 5 files: BL, AP, CP, CSC and HOME_CSC.
2. Install the Samsung USB Driver and restart your computer.
3. Open Odin as Administrator.
4. Switch off the phone. Press and hold Volume Up + Volume Down together and connect the USB cable. When the warning screen appears, press Volume Up to enter Download Mode.
5. Odin will show "Added!!" and a blue COM port box.
6. Load the files: BL → BL button, AP → AP button, CP → CP button, CSC → CSC button. (AP file is big, wait until it loads.)
7. Click Start and wait. Do not unplug the phone.
8. When Odin shows a green "PASS!", the phone restarts automatically. The first boot takes 5–10 minutes.

Tip: Want to keep your data? Use HOME_CSC instead of CSC. It is useful for updating a working phone, but for bootloop or software problems use the normal CSC for a clean install.

Common Problems and Fixes

• Odin does not show "Added": reinstall the Samsung USB Driver, change the USB port, and use the original cable.
• FAIL / SW REV CHECK FAIL: your phone has a newer bootloader. Download firmware with the same or higher binary (the 5th character from the end of the build number).
• Stuck on logo after flash: enter Recovery Mode (Volume Up + Power with cable connected) and select Wipe data / factory reset.
• Google account verification after reset: this is Samsung's FRP security. Sign in with the Google account that was used on the phone before.

Frequently Asked Questions

Will flashing remove my Google account lock?
No. FRP lock stays after flashing. You need the previous Google account to set up the phone.

Is this firmware official?
Yes, it is the official Samsung stock firmware for the SM-A155F model.

Can I use this firmware on SM-A155M or SM-A155N?
No. Always use firmware that matches your exact model number. Check it in Settings → About phone.

Need help? Leave a comment with your model number and the error message. See more Samsung firmware or read our full flashing guide.