2 sentences

1. 我换了一个新的门锁。

   wǒ huàn le yī gè xīn de mén​suǒ.

   I replaced the door lock with a new one.

   Source: Dong Chinese Dictionary

2. 我重置了门锁密码。

   wǒ chóng​zhì le mén​suǒ mì​mǎ.

   I reset the door lock code.

   Source: OpenSubtitles