Lock and locate your lost phone
With flyme phone finder you can locate, ring, lock and erase your Android phone.

1        You can locate your device by signing into flyme id, and ensuring your current mobile device is selected.
2        From here, you can see the approximate location of your device. You can also lock the phone, erase your data, or ring your device. Your phone will ring for up to five minutes even if it's on silent.

STEPS

1 open flyme id on your meizu phone
2 login with your flyme id
3 tap on cloud services
4 turn on phone finder
5 install flyme phone finder from app store/play store
6 login with same flyme id
7 And boom now you can lock/locate your phone.