You can purchase top-up vouchers at various locations throughout Netherlands.
simply dial *101*PIN# and press send, or
dial 1244 or (92#) and follow the instructions
To Top-up your balance from another phone or whilst you are abroad:
Dial +31684001244 and follow the instructions
You can also top-up your Lycamobile online, which is the most convenient way to top-up your Lycamobile.
Register your Lycamobile SIM online (click here to register your sim card)
Top-up your Lycamobile instantly online using a debit or credit card