I am having the same problem.. I have had the S4 since not long after it was released and I have never had a problem with it until this morning when my wifi wouldnt. Luckily, there are ways to circumvent wifi tether block on most Android smartphones or tablets (that support SIM cards) by installing tether apps like FoxFi (which. How to flash official firmware (upgrade or downgrade) for ANY version of Samsung galaxy S4 SIV by Odin without Kies. SpookDroid Absolutely great response regarding what it is and how it works. now for me, my wife's Galaxy s4 (Verizon) locks up so quickly with this push message. Share your mobile network connection with other devices when you use the Mobile Hotspot feature on your Samsung Galaxy S 5 from Verizon. See how to turn on Mobile. No it doesn’t, it’s a glorified router. All they’re doing is providing you with a router so that you can make WiFi calls indoors. It’s designed specifically. Update AT&T Galaxy S4 SGH-I337 to Lollipop and Keep Root. AT&T variant of the Galaxy S5 started reporting the Android 5.0.1 Lollipop update with build number I337UCUGOC3. I found out that the later versions of Android on galaxy S4 will not find the usb drivers Mine is on 4.4.2 I had to get my mother boards switched out on my S4 for an. Love it, or we’ll pick it up! Ron Arvine, President of Arvine Pipe & Supply Co., Inc. has built his reputation in the oil field by standing by this motto. SIM Unlock AT&T Galaxy S4: Here's the method of unlocking your AT&T Galaxy S4. It has works on the Canadian variants of the Galaxy S4 from Bell, Rogers, Telus, etc.