lg ax260 won't charge does anyone know how to fix it I am sure its not that hard?

[Kyle F]

i have used multiple chargers the same phone and right now im using some one Else's phone to charge my battery while i use there battery and so on. i already opened up the guts of the phone and there was no sotter on the pins connecting the charger to the main board im geussing it was just held in place by pressure of the case i geuss im just asking if i should sotter it