Stingray and HailStorm had been used by Asian since 2017

Japanese, Taiwanese, Malaysian who have a cloth on head,  Chinese face or Hong Kong face spies have been using StingRay and Hailstorm attacks

It has been widely used in Whatsapp and Some web sites and Asian App.

And popular in university graduates spies and some career industry have some people using.

Mobile carrier named 3 this 3G and 4G LTE exist massive real time attacks in all or nearby substation. Once enable mobile carrier even not include ethernet, it has already attacked. The LTE phone can immediately turn off battery saver automatically. There are extremely evil in LTE this network nearby in real time or always broadcasting and started HailStorm attack. 

https://en.wikipedia.org/wiki/Stingray_phone_tracker

https://www.cloudwards.net/how-to-block-stingray-surveillance/

This also why dispose phone is the only way. 

But, the spies exist as neighbors pedestrians or neighbors in flats by predict or know from camera or know habits in future and waiting or tracking in real time. 

This is why buying a flat is vain and wasted opportunity of evade.

High house price because people need money to migrate or there are future mission need them to set up a scene in another place or act as milestone waiting me to follow. But, they get future messge that their trap not work and I will not go. So they come back.

Nokia 8.3 android 12 without SIM card has been disabled or On word disappeared battery saver by Wifi network in 2022.