You can buy a USIM from a telecommunication company that offers services at a low cost to reduce your communication cost. You can also use the cellphone charging service 24 hours/day and 365 days/year.
Simply by changing the USIM of your current cellphone, you can make your cellphone a low-cost cellphone. You can buy a USIM from a low-cost telecommunication company at any CU. By replacing your USIM with the one provided by a low-cost telecommunications company, you can reduce your communication cost, with no application fee, no agreement and no additional service charge.