Samsung SM-A505GT Firmware Overview
What is the latest SM-A505GT firmware?
A505GTUBS9CWA1, released January 18, 2023 for region ZTO with Android 11. It is a security update on bootloader binary 9. The archive holds 3 official builds for this region. Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung SM-A505GT still getting updates?
Most likely not: there has been no new firmware since January 2023, so Android 11 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
Can I downgrade the SM-A505GT firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 9:
- Binary 9 — since Jun 2022
SM-A505GT firmware for region ZTO
How to Flash SM-A505GT Firmware
Put the Samsung SM-A505GT into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with Bit 9 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.