Things You'll Need
Instructions
Remove the phone's exterior shell by unscrewing it from the interior working mechanism.
Separate the pieces of the interior mechanism by unscrewing them from each other and placing them side by side, which will make it easier to reassemble the unit after cleaning.
Utilize a can of compressed air to clean the mechanism of dust and debris that has collected. These parts can also be cleaned using cotton swabs and alcohol or another cleaning solution.
Polish the metal parts with an appropriate metal cleaner. For example, use brass cleaner to polish the brass bells that make up the ringer.
Clean the phone's exterior shell by immersing it in warm, soapy water. Dry the exterior shell before polishing it with an appropriate cleaner.
Reassemble the interior working mechanism before reattaching the exterior shell.