To fund your Sarwa account, you have two options:
1. Syncing your bank account: This is done directly through your Sarwa mobile application. Kindly follow the instructions mentioned here. Please note that this is only available on the Sarwa app, and is only compatible with UAE bank accounts.
2. Manually funding your account: This is done through 2 steps: Transferring the funds using your online banking/banking mobile app, and notifying Sarwa that you've made the transfer.
Kindly follow the instructions mentioned here.