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Slower charging after battery replacement may be due to one of the following reasons:
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1. The replacement battery is of poor quality or incompatible with the original battery. A low-quality battery may not be able to provide enough current, resulting in slow charging. Different brands or models of batteries may not be compatible with the phone, which can also lead to slower charging.
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2. The charging port or data cable is damaged or dirty. If the charging interface or data cable is damaged or dirty, it may cause the charging speed to slow down. In this case, you can try to use another charger or data cable, or clean the charging interface and data cable.
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3. The mobile phone system is faulty or the software is faulty. In some cases, phone system glitches or software issues can cause charging to slow down. You can try to upgrade your phone's system or software, or restore factory Settings.
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If the above methods cannot solve the problem, it is recommended to go to a professional repair shop for inspection and maintenance.
1, non-original charger charging, charging abnormal, please use the original charger.
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2, the use of mobile phones when charging, resulting in slow charging or less charging, please do not use the mobile phone when charging, and clean the background program before charging or shutdown charging observation.