Although the cellular provider will automatically activate the SIM card for use on its cellular network, you will still need to activate the SIM card for use on your iPhone using the iTunes sync process. 1  1. Insert a pin into the hole on the right side of the iPhone. This will release the SIM card tray.
Applying iodine more than 3 times a day can increase your risk of iodine poisoning, which results in symptoms like vomiting, increased thirst and difficult urination. It can take up to 4 weeks for the fungus to be destroyed and the visible signs of ringworm to disappear.
Steps. 1  1. Purchase Tincture of Iodine. Iodine is available at most drug stores in the first aid section. Buy an iodine solution with 2% iodine. 2  2. Wash and dry the affected areas. Use antibacterial soap and warm water to cleanse the ringworm site. 3  3. Apply the tincture of iodine. Iodine comes in a small glass or plastic bottle.