New battery sould be work fine for 2-3 years. After that, you may have to replace it again. Before attempting iPhone battery replacement or repair, always make sure that your iPhone is switched off and the power source is disconnected. After ensuring that everything is safe, proceed with the following steps:
1. Take the back cover off your iPhone and remove the screws that are holding the battery in place.
2. Carefully remove the old battery and disconnect the connector, if necessary.
3. Place the new battery in the iPhone and secure it with the screws you removed earlier.
4. Reconnect any disconnected connectors and securely fasten them to the iPhone body.
5. Reattach the back cover and make sure all screws are securely tightened.
6. Switch on your iPhone and verify that the new battery is working properly.
Finally, check your iPhone’s settings to ensure that it is optimized for the new battery.
Please never use poor quality battery!
