This is a regular verb. It follows the conjugation pattern of the verb falar.
This verb is primarily used in Brazilian Portuguese. In European Portuguese, reiniciar or pôr a zero are used instead in most contexts.
Present:
A Ana zera o sistema antes de começar de novo.
Ana resets the system before starting again.
Preterite:
O Miguel zerou o contador depois do teste.
Miguel reset the counter after the test.
Conditional:
A Clara zeraria tudo e tentaria de novo.
Clara would reset everything and try again.