It has been a busy month for AT&T Mexico, which has confirmed a deal with Nokia for 5G technology and application development; coming just after completing the migration of Telefónica Mexico’s traffic to its network. These two developments are related in the sense that both Telefónica and AT&T Mexico – the country’s second and third largest mobile operators respectively – have been struggling to compete with number one América Móvil, whose Telcel services has been squeezing subscribers out of them. Currently Telcel has 64% of the country’s mobile subscribers, up from 62.5% at the end of 2021, while Telefónica’s Movistar is on 20% and AT&T about 16%. For Telefónica, the migration of traffic to AT&T’s radio network saves…