Yeah, same happened to mine @AWB1955 - I felt it was losing power and then started making a strange sound. I retired it.
And upgraded to the newest model, but I was left so disappointed (you can read My review but unfortunately wouldn’t recommend it. It left me feeling very unsatisfied)
And @Peitho gave you the best advice 
Not sure I can mention this but you can use a VPN app called Proton which is free and can be downloaded on mobile. ↩︎