@Moslem. Try this procedure: turn off Wifi, go into your device settings and move the network from 4G to 2G (3G if it's an iPhone), wait for the E to appear and turn off the device for a few minutes. Turn it back on, wait for the E to reappear and switch the network back to 4G. The switch and turning off (not restarting) the smartphone will result in the acquisition of a new priority on the cell and a consequent improvement in the quality of the network. ... Mostra altro