Well, basically I bought a good battery it was working fine, and lasting for a long time on a single charge. After like 40-50 cycles or so, I left it without charging and it drained to zero. Now, I can't charge the phone (I use wall charger). It shows only the battery red line sign and a cable, and when I plug it in, it only shows the red lining battery.
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I tried keeping it overnight on charging (I use wall charger, because I know it is stronger).
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I also tried going into DFU mode, but to no avail. No use. It can actually go to iTunes and iTunes detects the phone, and I can actually restore the phone, but after it finishes it resets and the same happens – red lining battery sign.
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I tried keeping the battery on red hot sun and after it almost melts from the heat I wait one minute to cool off and then I put it in phone, same result.
What else can I do?
Best Answer
As mentioned in comments, first check the cable is good.
After that, analysis isn't easy without the right tools.
Your potential fail-points are