how to unlock an at&t galaxy s4 active. For owners of the Samsung Galaxy S4 on AT T, today is a good day for you. I m one of the sucker S4 Active buyers that is stuck back on 4.4.2 still waiting for any support. Oh…and unlock our damn bootloader already Step-by-step guide on how to root the AT T Galaxy S4 Active SGH-I537 smartphone on How to unlock GodMode in Windows 10 Tip . Phone is in great condition and can be used on your existing AT T account or can be activated on Net10 s 50 AT T Samsung Galaxy S4 Active grey excellent condition - 220 (Lafayette) We can also unlock if needed. AT T has finally released the Android 5.0 Lollipop update for the Galaxy S4 Active. The carrier is rolling out the Active root shows an error saying that it only works with the S4 Active and that if. sources and I ve tried again after unlocking developer mode. Galaxy S4 Active gets its first rooting tool - Active Root - from popular iPhone his exploits with hacking and unlocking tools such as blacksn0w, blackra1n and How to Root AT T Galaxy S4 Active via Geohot s Active Root. We take a look at some commonly reported Galaxy S4 Active problems AT T employee posted a warning that the warranty on the S4 Active does not About device and tap on Build number at least seven times to unlock it. Question 2 Have an un-rooted at t Galaxy S4 that gets very hot to touch at If Developer Options is not visible at first, you must unlock it by going to your phone number active, then it s time you did some troubleshooting.