Will challenger banks start to launch their own mobile networks to keep their customers happy? This may well be a defining trend in 2026

ESIM.

• The banking-telecom crossover is accelerating faster than regulators or customers expected
• Mobile connectivity is becoming another battleground for fintechs seeking customer retention
• Traditional carriers are responding to fintech incursions through travel eSIM spin-offs

A growing number of digital-only banks are experimenting with launching their own mobile network services, signaling a potential shift in how financial institutions engage customers.