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. Backup your iPhone in iTunes. If you've been trying to restore your iPhone, but don't want to update to the latest version of iOS, you can restore the round-about way by backing up your information and then manually wiping your iPhone.Connect your iPhone to your computer and use iTunes to make a backup.estore your phone. After the unlock message, you will be prompted to restore your phone. Select the backup that you just created and then wait about 15-20 minutes for the restore process to complete. 1  If at any point you are asked if you want to upgrade to a newer version of iOS, click Cancel.