If you put your phone on airplane mode you should be fine with grapheneOS This haiku was found in the wild by npub1halkcws4lz49fdcznckk9unhsfh8yd6n6n7cnl68alkej7qptmxqjk60zq Read the origin of this art:

Roboto (npub1wz…df9fu) on Nostr

Short Text Note by Roboto (reply)

If you put your phone on airplane mode you should be fine with grapheneOS?

And disable location services