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- 1,630
- Location
- Pune
- ISP
- FTTH: Airtel (CGNAT v4/IPv6), TPF (CGNAT v4/S-IPv6)
5G: Jio, Airtel
LTE: Vi
@Trex those hoops that you are jumping through are to safeguard your account. The bank is only doing what it takes to secure your account and frankly I think its a good move.
The mistake you made was to format your phone without checking if your have an alternative 2FA method like OTPs or a recovery code. Never delete 2FA apps or reset the mobile phone unless the data is backed up AND you have other methods of identifying yourself. Get all these things clarified from the bank so you don't get caught next time.
Also, OTPs in apps are generated based on a 'seed' (alphanumeric string) and a date/time value on the handset and do not require access to the network.
HDFC bank just started a 2FA OTP received as SMS ...which of course requires network access.
The mistake you made was to format your phone without checking if your have an alternative 2FA method like OTPs or a recovery code. Never delete 2FA apps or reset the mobile phone unless the data is backed up AND you have other methods of identifying yourself. Get all these things clarified from the bank so you don't get caught next time.
Also, OTPs in apps are generated based on a 'seed' (alphanumeric string) and a date/time value on the handset and do not require access to the network.
HDFC bank just started a 2FA OTP received as SMS ...which of course requires network access.