How to make thieves unusable after a cell phone is stolen

All mobile phones have a unique serial number. When you type * #06 #, a 15-digit number will appear on the screen of your mobile phone, this number is the serial number of your mobile phone. Remember this number and save it. When your mobile phone is stolen, you can provide it to your service provider [China Mobile] [China Unicom]. he can lock your lost mobile phone, even if someone else has replaced your original SIM card, this phone cannot be used. Maybe you won't get it back, but your mobile phone has no value for them, unless you use it as paper town. If everyone knows the unique serial number of their mobile phone, it makes no sense to steal the mobile phone. Tell this information to as many people as possible. This common sense is popularized, and there will be fewer opportunities for people to lose their mobile phones !!