my mobile data is not working after i reseted my sumsung galaxy note 3
Reset network setting again. Manually enter APN setting. For that
Go to setting / connection  / mobile network / Access point name. Manually enter apn details.
Turn off data saver. Go to setting / connection / data usage / data saver.
Make sure you have good network signal. Other wise reinsert sim.
Update mobile software.
Make sure data roaming is off. setting /connections  mobile network / data roaming.
Temporary remove from network and again reconnect to network.