فَإِن زَلَلْتُم مِّنۢ بَعْدِ مَا جَآءَتْكُمُ ٱلْبَيِّنَـٰتُ فَٱعْلَمُوٓا۟ أَنَّ ٱللَّهَ عَزِيزٌ حَكِيمٌ ٢٠٩
But if you slip [i.e., deviate] after clear proofs have come to you, then know that Allāh is Exalted in Might and Wise.
Your location stays on this device and is only sent, rounded to about 1 km, to fetch the times.