Due to Republic Act No. 11934, or the SIM Card Registration Act, requiring all Filipinos to register their SIM cards, everyone must register their sim otherwise it will expire 6 months after purchase. Either you are Globe, Smart / TNT subscribers, here is the link where you can register.
https://www.globe.com.ph/register-sim-card.html#gref or in the Globe App
Smart / TNT
https://simreg.smart.com.ph/ or in the Smart App
Register via the DITO App
Note: Take note of the registration code upon successful registration, that might be handy should be needed in the future.
loslos nalng gyud aning law ha, mga scammers layu rang semana mag ilis na nag number