hi these are the devices and their charasteirstics:
Samsung Galaxy J7 (2016)
Model SM-J700M
Androir Version 5.1.1
Samsung Galaxy J7 (2016)Model SM-J700MAndroid Version 5.1.1
Samfumg Galaxy Tab AModel SM-T285MAndroid Version 5.1.1
Doesnt work! , do u have the the source code ?