Q: My girlfriend and I use the same iCloud account. Can she use the Find My iPhone service to erase everything on my phone? - Steven A: Assuming that she knows the password to the shared iCloud account, then the short answer is yes. Basically, anybody with your iCloud account name and password can log into the Find My iPhone feature at iCloud.com or use the Find My iPhone iOS app and access the same features that you can; since it’s all one…