A. A. A. There are only five oral drugs approved by the FDA to treat erectile dysfunction: tadalafil (Cialis), vardenafil (Levitra, Staxyn), avanafil (Stendra), and sildenafil (Viagra). All work by increasing the flow of blood into the penis so that when a man is sexually stimulated, he can get an erection.
To restore deleted iPhone 4s contacts without itunes backup, you can directly scan and recover contacts from iPhone in a simple way. The steps of directly scan and recover contacts from iPhone: a) Connect your iPhone to the computer. b) Enter DFU mode and scan iPhone.c) Preview and recover iPhone contacts.o restore deleted iPhone 4s contacts without itunes backup, you can directly scan and recover contacts from iPhone in a simple way. The steps of directly scan and recover contacts from iPhone: a) Connect your iPhone to the computer. b) Enter DFU mode and scan iPhone.
1 In iTunes, right-click (or Ctrl-click) on your device, which appears in the leftmost pane under Devices. 2  Select the Summary tab and then Restore (or just Restore from Back Up if you see it). 3  Your iPad or iPhone will say Restore in Progress on the screen, and iTunes will show a progress bar. Connect your iPhone or iPad to your computer and launch iTunes. 2  In iTunes, right-click (or Ctrl-click) on your device, which appears in the leftmost pane under Devices. 3  Choose Back Up.