In the process of using mobile phone, as far as possible in every charge of health charge, that is, less than 20% when the charge, do not wait until the battery is exhausted to recharge, so as not to affect the life of cell phone battery.
4, for the use of voltage regulator conversion head to the mobile phone charging users, should be based on the requirements of the charging instructions to connect the correct mains charge. In general, the domestic electricity is 220V, and in foreign countries such as Japan, the voltage is 110V. So if you charge your mobile phone abroad, you will not be able to charge it properly due to insufficient voltage. Users who charge through the data line should ensure that the USB interface is provided with a normal 5V voltage.
5, may be the quality of the battery itself has problems, you can replace a new battery. Or because the battery is used for too long or for some reason the battery is damaged by a positive or negative short-circuit.
6, lead to mobile phone can not be charged may be the quality of the phone itself, for such cases, the proposal to get a phone repair shop for maintenance, mobile phone in the warranty period can be returned to the factory for maintenance.
Summarize another article
First, the mobile phone problem
The phone itself there is a charge problem, this need to get the phone to fixed-point National warranty to detect maintenance.
Before you send it to yourself, make sure it's a real phone problem. Use the same model of good cell phone battery and charger replacement try, if you use your own charger in the case of someone else's battery into your cell phone, or not, then use someone else's charger to try together, the result is still not, that is your own mobile phone internal problems, this will you sent to overhaul! What I'm talking about is actually a very simple substitution method.
Second, the charger problem
If you use the above mentioned substitution method, replace with others charger after you can charge in, that is your own charger is broken, if there is a warranty to repair the warranty, if not to send him to your brand mobile phone after-sales service point to help you repair. Because the manufacturers of their products are more clear, maintenance will be protected, do not casually sent to the street stalls shop to repair.
Third, the battery problem
If you can recharge your batteries with another good battery, it's your battery problem. In case you have a problem with your cell phone battery, take out your cell phone battery to see if you have a hair drum? Is there any rust in the metal contact position? If the drum, it indicates that the battery core problems, has been damaged, or that the cell phone battery cycle life has arrived, or the battery protection circuit board failed.
If the cell phone battery hair drum, then the batteries have been damaged, please do not continue to use the vast number of consumers, so as to prevent the explosion of human health and property damage! If it is a new battery, do not continue to use, immediately to buy the place to require replacement of batteries. If the expiration date has expired, please dispose of the drum battery according to the hazardous waste.
If it is a hardware contact with the repair caused by poor contact, can not charge into the electricity, alcohol or wash the board water will be rusty scrub clean, and then use a clean cloth will be the hardware bit again, reload the mobile phone recharge.
If it is the protection of line damage or virtual welding, and so on, this will take the product to call manufacturers warranty, consumers do not randomly disassemble the battery, lest in the process of dismantling the battery inside the formation of short circuit, causing battery explosion!
Summary: if used to meet the mobile phone charge does not go into the situation, first see if the phone and charger appear these problems, if these problems are excluded, you can only take to after-sale maintenance Oh!