Back to factory settings

[Needalift]

Got a PM fitted for chb was great till after my 6mth check where she lowered the battery settings & all my symptoms b4 having the PM came back went to PM clinic and they changed it but to no avail went bk 7th may where they have said they have changed bk to factory settings dont feel tired as much but walking doing light things still leaves me breathless I'm 47 & dont want to be jumping threw loops just the basics any one with advice would be much appreciated. Thanks x