Samsung Galaxy J1 mini (SM-J105B) Firmware Overview
What is the latest SM-J105B firmware?
J105BUBS0ASB1, released April 4, 2019 for region IUS with Android 5.1.1. It is a security update on bootloader binary 0. The archive holds 2 official builds for this region.
Is the Samsung Galaxy J1 mini still getting updates?
Most likely not: there has been no new firmware since April 2019, so Android 5.1.1 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-J105B firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 0:
- Binary 0 — since Feb 2019
SM-J105B firmware for region IUS
How to Flash SM-J105B Firmware
Put the Samsung Galaxy J1 mini 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 0 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.