Select your bank
From the list of available banks, find mBank Retail and select it.

Grant access to your transaction history
For the Littlebit app to function properly and calculate savings based on your card payments, it is necessary to grant access to your card transaction history on your bank account.
Do not worry - you are not granting access to your funds, only to information about when and how much you paid by card. This allows the app to calculate how much should be saved into Bitcoin.
This access:
- Does not allow sending payments, it only enables viewing transaction history
- Is time-limited to 90 days - after this period, the app will ask you to renew your consent
- Is required to complete registration - without it, you cannot proceed

Enter your identifier and password
Enter your unique identifier and password that you normally use to log in to your internet banking and click “Confirm.”

Select accounts for card transaction tracking
In the interactive fields, select the accounts you want to share card transaction information from. The app will access these accounts, filter card payments, and calculate how much should be saved into Bitcoin. You can add as many accounts as you like and combine different banks. The choice is entirely yours.
Once you have selected the accounts, click “Confirm.”
Confirm access to your account information in the mBank app
Open the mBank CZ app, where you will see a page requesting confirmation of account access. Simply click “Confirm.”
That’s all you need to do in the mBank app. You can now close it and reopen the Littlebit app.

That's it!
Your bank account has been successfully connected to the Littlebit app. Now just click “Continue” and you can start saving into Bitcoin.

What if an error message appears?
If an error message appears after this step, we recommend checking your connected accounts in the Littlebit app (Settings → My bank accounts) to see whether the account was added despite the error message. This can sometimes happen due to a weaker signal or a slower response between the app and internet banking.
If you can see the account, it means the connection was successful and everything is working correctly. If you do not see the added account, please try the following steps:
- Close the Littlebit and mBank apps
- Make sure you have a stable and fast internet connection
- Restart your phone and repeat the process following the same steps
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