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.
You can use iTunes to reset iPhone to its factory settings so that you can unlock iPhone without passcode. Here is how: 1  1. Connect a USB cable to your Windows computer or Mac, but do not connect it to your iPhone.2  2. Turn off your iPhone by pressing and hold the Home and Power button. 3  3.ere is the example on how to use iPhone Data Recovery to recover data from your iPhone 6S/6S Plus/6/6 Plus/5S/5C/5/4S/4/3GS. 1  1. Connect iPhone to computer via a USB cable and run this program. 2  The Recover Data from iOS Device is selected by default. 3  Click Start Scan to scan the data on your device -- it is safe. 4  2.