Latest Samsung Galaxy Tab Active4 Pro 5G (SM-T638U) - CHR firmware
Samsung Galaxy Tab Active4 Pro 5G (SM-T638U) firmware for Canada (Chatr Mobile) (CHR): 1 build in the SamMobile archive, newest first. The latest is T638UVLSBEZE1 (Android 15, built 21 May 2026). Open a build to download it, or switch region with the country selector.