فَرَجَعُوٓا۟ إِلَىٰٓ أَنفُسِهِمْ فَقَالُوٓا۟ إِنَّكُمْ أَنتُمُ ٱلظَّـٰلِمُونَ ٦٤
So they returned to [blaming] themselves and said [to each other], "Indeed, you are the wrongdoers."
Your location stays on this device and is only sent, rounded to about 1 km, to fetch the times.