I had an old wallet that I accidentally had funds sent to that was a bitcoin address from an old Phone.  Luckily I had the wallet backed up.  The address was lets says addressA.  I found the restored wallet and restored it to new phone.  Now the receiving address has changed to addressB.  No idea if I did this or what.  By seeing history of wallet and comparing to a blockchain search of AddressA, the history lines up.  Now the funds sent to AddressA have never shown up in my account.  I am wondering if it's because somehow the receiving address has changed to AddressB.  But like I said all history in wallet lines up perfectly with AddressA.  Not sure how to get these funds.  I can provide all info you need.  I am an IT guy so we can speak the same language.  please help...