Yes, it is an odd coincidence, but as you write, a bad battery or just a weak contact is the likely explanation. The alternative would assume that there are al

Yes, it is an odd coincidence, but as you write, a bad battery or just a weak contact is the likely explanation. The alternative would assume that there are aliens, which are able to disable your smartphone from the distance, but are not able to make their vehicles somewhat look like current human vehicles. At minimum, they should paint "Pepsi" or "Nike" on them, and no one would notice them :)