Kuba · 1w What I don't get is: 1. how do you use online banking in Poland if you disable your sim card? As far as I know you have to recieve either sms otp code or app confirm the tx. 2. How do you use lightni... Maciek @Maciek 1784835802 1. I don't use this bank, but I guess once the app is activated, it doesn't check your SIM all the time. It's enough that you have internet connection.2. You can have mobile data from another SIM or WiFi. 2๐1