c35 card error

[Arshdeep]

i've one c35 it shows card error after every 4 hours i've change the sim tray

[LPP]

As i know C35 only support 1,8v sim-card. If you have 3v or 5v sim-card the phone still can read the sim but it will not get long. You will get card error after couple hours. Check the phone manual what voltage of sim-card does it support and ask your provider what is the voltage of the sim-card.

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[goldman]

it has a mechanical problem you must change to sim card reader which is in phone <br />or <br />you must the change cover of the phone front and back

[Williamcwy]

Clean your SIM reader (SIM slot pin).