
Samsung Galaxy W
The latest firmware for Samsung Galaxy W (GT-I8150) is I8150ZSLM4 with Android 2.3.6 (Gingerbread), released on June 13, 2012 for 2 regions (CSC). Every official firmware build for GT-I8150, newest first: one row per build with all regions (CSC) that received it.
All 22 builds in our database run Android 2.3.6 (Gingerbread). The newest build, I8150ZSLM4, was released on June 13, 2012. No new build has appeared for 174 months, so regular updates for this model have most likely ended.
Box codes of GT-I8150 for different colors and markets. Firmware is chosen by the model code GT-I8150 and your region (CSC), not by the SKU.
The newest firmware for GT-I8150 runs Android 2.3.6 (Gingerbread): build I8150ZSLM4, released on June 13, 2012.
The latest build for GT-I8150, I8150ZSLM4, was released on June 13, 2012 (14 years ago).
GT-I8150 has had no new firmware for 174 months, so regular updates have most likely ended.
Yes, all firmware files for GT-I8150 are 100% official, original, and obtained directly from Samsung servers.
To flash GT-I8150, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.
Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing GT-I8150.