Samsung s2 1 Performance Usage Related Introduction Parameter Configuration.
Samsung s2 1 How to treat battery health;
A: The mobile phone doesn't have its own function, so you need to download accu app.
1. After downloading and installing, use the mobile phone until it is almost dead, plug in the charger and turn on the accu.
2. After opening, click "Set Design Ability" in the lower right corner.
3. Enter your battery capacity in it. (Samsung s2 1 is generally 4000mAh)
4. After setting, click "Life" in the column below.
5. After entering the service life, you can see the healthy state of the battery, as shown in the figure.