- Change account settings
- Turning the yallo mailbox on/off
- Calling your mailbox and adjusting settings
- Performance and functionality of the yallo mailbox
- Turning premium SMS/MMS on/off
- Setting up MMS and data services
- SIM doesn't work or has been lost
- SIM blocking due to unpaid bill
- SIM blocking
- Forgotten PIN or PUK
- Reactivating my yallo SIM
Simply top up your balance online!
It takes only a click to top up your balance with the amount you want!