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in TPS300 by Q&A Engineer (5.5k points)
What should I do if the SIM card information is not displayed on the device after I install it?

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1 Answer

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by Q&A Engineer (5.5k points)

Please check whether the SIM card is installed well.

Install the SIM CARD again.

Change another SIM card

Scrape the surface of the sheet metal in the SIM CARD slot with knife.

Check whether all the weld point of the SIM CARD slot is welded well or not. If not, please weld it again.

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