As you have asked about the Mobile check deposit in Bank of America, I am giving you information about it, check below for the details

You can deposit a check using the camera on your smart phone or tablet and the Mobile Banking app.
Snap a picture of the front and back of the check,
Choose your account and amount and send.
For your protection, check images are stored securely at the bank and never on your device

Process:

Open Mobile Banking app and select deposit checks
Take a picture of front and back of the endorsed check
Select the account to receive the deposit and enter the account
Click on Make Deposit and you will get a confirmation message.

Limit:

There is a monthly limit for Mobile Check Deposits.
It’s displayed when you select your deposit account.
Once you’ve hit that limit, you can’t deposit another check with the app until the limit is reset at the beginning of the next month.

There is no additional fee for using Mobile Check Deposit service,