Why does my [iOS 11.3] Battery Health – Replaced Battery?! still show low performance?

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I’ve recently replaced the battery in my iPhone, but even after the replacement, the Battery Health feature in iOS 11.3 is still suggesting that my battery’s performance is subpar. I’ve ensured that the new battery is from a reliable source and had it installed properly. However, the Battery Health section still indicates that my battery needs servicing. This is quite frustrating as I was expecting the replacement to solve the issues I was experiencing with battery life and device stability. Now I’m left wondering why the new battery isn’t being recognized correctly by iOS 11.3. Is it possible that the software is not calibrated to accurately read the new battery’s health, or is there another underlying issue with my device?

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I faced a similar issue after replacing my iPhone battery. Here’s what I did, which might be helpful for you as well:

  1. Restart Device: I restarted my phone several times to see if it recognized the new battery, but it still didn’t work. So, I moved on to the next step.
  2. Backup and Restore: Next, I backed up my phone, then restored it to factory settings, and finally restored from the backup. This helped clear out any lingering software bugs.
  3. Diagnostics: With no luck from the previous steps, I reached out to Apple Support. They ran a diagnostic test and found the replacement battery was slightly defective. Once they replaced it again, the Battery Health function started working properly.

Going through these steps might help you identify what’s going wrong with your device.

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The fact that your system isn’t recognizing the new battery might not always be a hardware problem. Let me provide another viewpoint:

  • Software Update: Ensure your iOS 11.3 is up-to-date. Minor software bugs can sometimes be resolved by an update.
  • Recalibrate Your System: The battery health reading may adjust after a few full charge cycles, so continue using your phone as normal while charging and discharging its battery fully.

This approach might take some time but it’s worth trying before seeking further assistance.

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To begin with, ensuring that the replacement battery is genuine is crucial. Sometimes third-party batteries can cause the iPhone to misreport the battery’s health status. Here are some steps to consider:

  1. Verify Authenticity: Make sure the battery is an official Apple product or meets Apple specifications. Third-party batteries often lead to performance issues.
  2. Check Installation: Even if the battery is genuine, incorrect installation can prevent proper recognition. Ensure the battery was installed by a professional.
  3. Software Bugs: It’s possible a software bug in iOS 11.3 is causing the Battery Health feature to malfunction. Future software updates might resolve this.
  4. Recalibration: Sometimes, recalibrating the battery by fully charging and discharging it several times can help the iPhone recognize the new battery correctly.
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Here’s what I recommend if you’re still seeing performance issues after replacing your battery:

  1. Run Diagnostics: Navigate to Settings > Battery > Battery Health. If it announces the same issue, make an appointment at an Apple Store for a free diagnostic test to identify any hidden problems.
  2. Charging Habits: Remember, even new batteries need a few charging cycles to provide accurate health readings. Regular use for a week or two can help the system recalibrate and display the correct status.

Following these recommendations helped solve similar battery health display issues on my device.

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