TweakTech

Unlocking Motorola Moto E 2 nd Generation on 5.1 Android for GSM use requires a little more effort, unlike the previous method where PC was not used; this method requires use of PC and a few commands simple to write (no special knowledge of CMD or ADB needed)

After Samsung only recently rolled out update for Samsung Galaxy S4 LTE  GT-I9505, you could follow the below instructions to   manually  install the latest firmware update to your compatible device. Firmware Details Model:          Galaxy S4 LTE (GT-I9505) PDA:             I9505XXUFNC9 CSC:              I9505OXEFNC1 MODEM:     I9505XXUFNC9