Lag while playing

hi there im going through heavy lag and my device keep disconnecting between raids. The disconnection is so bad that everytime i raid as soon as i deploy my troop it disconect and make me loose throphies not really a provlem but its annoying. My device is an iphone 6 from tmobile and i jave wifi in my room and both and wifi and tmobile signal are superb..the problem started as soon as the maintainance happen the other day Is anyone else going through this ? Ps i erased and downloaded the game again but it still happening