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valerie78Sep 7, 2025
What to do if COBHAM EXPLORER 540 shows 'Insert SIM'?
- MMs. Kim Phillips DVMSep 7, 2025
This message indicates a problem with the SIM card. It could mean: * The SIM card is not present. If this is the case, remove power and insert the SIM card in the SIM slot according to the instructions in the installation guide. * The SIM card is not inserted properly. If this is the case, remove power, remove the SIM card, and re-insert it according to the installation guide.