Update AT&T S5 Active G870A on G870AUCS2DPK7 stock Marshmallow firmware
March security updates are now rolling out for the Samsung devices bonded with AT&T. The update is live via OTA and has landed for AT&T S5 Active SM-G870A, carries March security patch along multiple improvements and bug fixes. In this guide you will see the process to install stock Marshmallow based G870AUCS2DPK7 firmware on AT&T Galaxy S5 …