Home / Firmware / SM-S757BL / TFN
Galaxy J7 Top
S757BLUDS4BSJ1
TFNAndroid 9Released 10/22/2019Firmware details
Key identifiers and package metadata for this release.
S757BLUDS4BSJ1S757BLTFN4BSJ1 USAUSACSC code TFN5 carriers in 2 countries
CSC stands for Consumer Software Customization (sometimes "Country Sales Code"). Samsung firmware ships with carrier- and region-specific configs; the networks listed below are what this CSC was built to support out of the box.
AT&T310410NWIDNW0132699999NWIDNW0015600101NWIDNW00156
Claro Puerto Rico330110NWIDNW01331T-Mobile310260NWIDNW01102T-Mobile310260NWIDNW01313T-Mobile310260NWIDNW00461