# SIM Card Not Inserted

**URL:** <https://forum.sierrawireless.com/t/sim-card-not-inserted/6805>\
**Category:** Legacy AirPrime modules\
**Created:** [October 22, 2013, 1:17am UTC](https://forum.sierrawireless.com/t/sim-card-not-inserted/6805 "2013-10-22T01:17:03Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![vanush](https://avatars.discourse-cdn.com/v4/letter/v/e8c25b/32.png) [@vanush](https://forum.sierrawireless.com/u/vanush)\
**Post date:** [October 22, 2013, 1:17am UTC](https://forum.sierrawireless.com/t/sim-card-not-inserted/6805/1 "2013-10-22T01:17:03Z")

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Hi there,

I have a 6 pin standard SIM Card Holder connected to WS6318, SIMPRES pulled up to 2V8. Yet, I continually get SIM card not inserted error.  
What could be the issue? I see SIM\_VCC stays low.  
Can I workaround this issue by tying SIM\_VCC to 1V8?

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**Author:** ![mrzamani57](https://avatars.discourse-cdn.com/v4/letter/m/bb73d2/32.png) [@mrzamani57](https://forum.sierrawireless.com/u/mrzamani57)\
**Post date:** [December 4, 2013, 11:13am UTC](https://forum.sierrawireless.com/t/sim-card-not-inserted/6805/2 "2013-12-04T11:13:22Z")

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may be from sim-presence pin connect to 2.8 and test it