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I have a Vodafone SIM card in an Android phone. In that phone, there is a 2000 mAh battery. I had noticed that the battery was discharging very fast, about 2%/hour when idle!
At that time, no battery consuming apps were running and all other mobile radios were switched off.
The discharge rate should have been less than 1%/hour.

I thought that this might be a problem with the battery, but when I tested with another Vodafone SIM card, I saw that the discharge rate has again gone down to 1%/hour!

Can anybody say what is actually happening?

Additional information: Few days ago, accidentally, there had been a half-hole on the SIM card. So, is the problem due to this hole?

  • 1
    How old is the SIM card? The required power voltage of SIM cards has AFAIK changed over the years. Therefore older SIMs need more voltage and usually more power. – Robert Mar 28 at 18:52
  • No, that was relatively a newer SIM card. – Puspam Mar 29 at 2:59

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