Mobile phones are also afraid of the cold in winter. How to keep them warm?

Winter is coming, and the temperature drops dramatically everywhere. Not only people are shivering in the cold, but also mobile phones. Many friends have reported that their mobile phone battery is losing power faster and faster, and even shuts down automatically. Why is this? In fact, it is because the low temperature temporarily reduces the battery performance. How to solve this problem?

The above is how to maintain your phone. In winter, in addition to protecting your phone, you should also keep yourself warm!