1. First, use a damp rag to clean the case under the dust.
2. There is dust in the gap of metal mobile phone shell Can use toothbrush and soap to clean, metal mobile phone shell is easy to clean the dust, so do not need to use too much effort to brush, just gently brush it again, you can achieve the desired effect.
3. If you have particularly viscous and stubborn stains, you can use alcohol or detergent to clean, alcohol and cleaning agents on paint, paint, and building materials have a good cleaning effect. Cleaner relative to alcohol is not easy to burn, colorless, tasteless, use them more at ease.
4. If there is rust, it is recommended to use 2% sour solvent dissolved, spray rust in place, over 2-3 minutes in a paper towel or rag will be able to wipe clean.
5. Finally wipe with a dry rag hand phone shell water stains and liquid wipe clean.