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Repair and disassembly information for the second-generation iPhone SE that was announced and released in April of 2020.

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Battery gas meter unreliable after battery replacement

I replaced the battery of iPhone 2020SE with aftermarket battery from ifixit.com. Now, the “gas gauge” that shows % battery charge does not function correctly. It will stay at 100% or 84% or some other %, and not go down as the phone is used. Then the phone will die - unexpectedly, since no warning from the battery charge % meter.

Also, I have an error message that will not go away: “Important Battery Message - Unable to verify iPhone has a genuine Apple battery. Health information not available for this battery.

Sometimes, if the phone is turned off and back on,, or full reset, the meter will adjust and display a reasonable value.

Is there something I did wrong in the battery replacement that could cause this? Does the non-Apple replacement battery cause this? Is there a fix?

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For Percentage Not Showing Correctly:

  1. Discharge the battery(by using the phone without it being plugged in) until the phone automatically shuts off.
  2. Charge the battery until 2 hours after it reaches 100%. Make sure your phone is off while it is charging(About 3 minutes after your phone is plugged in, the phone will turn on and you will need to turn it off).
  3. Turn the phone back on and make sure the percentage meter works correctly.

For Non-Genuine Battery Message: This is a message by Apple that pops up whenever someone that is not Apple-Certified replaces a battery. This message will show up whether you use a genuine Apple battery or not. The only way to get around this is to use an iPhone Battery Serial Number Reprogrammer.

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Thanks for this answer, Andrew. I did not know the phone needed to be turned off while recharging. I will try this procedure.

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Sounds like you damaged battery gas gauge which is repairable, you just need to send it to a board repair specialist like iPad Rehab or VCC Board Repairs. There’s a component that can get knocked off the board while disconnecting the battery. As far as that non genuine battery message goes, don’t be too concerned about it. That has been going on since the XR/XS series and its basically telling you that the battery has been replaced. The way to get around that would be to transfer the little circuit board from the old battery to the new one but that requires special tooling to do properly without hurting yourself.

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Thanks for taking the time to respond, Jesse. I will do this if the procedure outlined by Andrew S, below does not work.

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