Retrieve a ignored number after factorty reset

[lboogie935]

I had a number dialed to my phone and i swipe to ignore the call, the same night my phone did a factory reset. How can i find that number that i, ignored. Its not in my call history online

 

[SpookDroid]

Unless the call log was backed up to a cloud service (Samsung, Google, etc.) or to a back up app like Smart Switch AFTER the call was received and then restored to the phone, the information is lost once you do a factory reset, unfortunately.