Hello. I had an email account my iphone with lots of important emails in it from previous employer. I accidentally deleted the native email app while my iphone was in my pocket. I've got my yahoo mail recovered. I need to recover the old company email too. The problem is that I do not have the...

I have accidentally factory reset my friends iPhone 5s and they have not backed it up since the middle of 2016 and have now lost a lot of work, photos and contacts. Is anyone able to help/advise on if it is possible to recover the deleted data from the iPhone. we have not started the phone up...