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Hi, I have problem. Few days ago I replace my old battery with new one (ofcourse I swapped BMS to new battery). It didn't show me this message for like 1-2 days and now my phone freaks and display it all the time. Is there any chance fix it? I tried all. Reinstalling software on new and old battery etc. Sorry for my bad english I hope you understand.
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@maryjusz, You say you replaced the BMS board from the old battery over to the new one; Did you spot weld the connections or just straight solder them? Did you also cover everything up with good tape or what did you use to encapsulate the BMS board to the battery?
Sometimes, even a very good soldering job isn’t enough :/
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Yes I did it like always I took old BMS solder it to new battery and reset condition on JCID programmer to 100% and 0 charge cycles, next i covered it with tape and plug into phone, first it works good did not show any message, next day it appears. Don't know what I can do to get rid of it. Is there any chance?
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@maryjusz After swapping the BMS, have you executed the "Activate the battery" step from this video https://youtu.be/zc3-qyX780w ?
If not, I have to say I share your pain, since I haven't either and I am getting the same message.
It's pretty clear to me that the iDevice reports to Apple's servers that it had to activate the BMS before it output any voltage and, if this is reported, the battery is simply revoked.
door Sergiu Alexa