Aqous zero 2 inazima nikiwasha data

Simu yangu ya aqous zero 2 inazima Kila nikiwasha data inazima nakujiwasha yenyewe kwa mda na badae inajiludi kuwa sawa tatizo ni nini naomba msaada

Aqous zero 2 turns off when I turn on data

My aqous zero 2 phone turns off. Every time I turn on data, it turns off and turns on by itself for a while and then it comes back to normal. What is the problem? Please help.