I have a 4G Router
TP-Link MR6400 with firmware 1.6.0 0.9.1 v0001.0 Build 181022 Rel.40644n
when I start the router I have the error
No SIM Card
Please insert your SIM card.
** it was working good few days ago
I inserted the SIM in another Device it Worked good.
I have tried different SIM cards in router but same error still exists
and all SIM cards are working correctly on a mobile phone .
Hi
If you are experiencing the issue of "No SIM card detected" on your 4G LTE Router, you can follow these steps for troubleshooting:
1. Check if the SIM card is inserted correctly and firmly in the SIM card slot. Different models may have different slot sizes, such as Micro SIM or Nano SIM. Please refer to this FAQ on how to insert the SIM card correctly: https://www.tp-link.com/support/faq/3196/
2. Restart the 4G LTE Router with the SIM card still inserted in it. After the device restarts, check the SIM card status again on the Advanced > Status page.
3. Perform a factory reset: Hold the reset button for about 10 seconds until the power LED starts flashing.
1. i am sure the SIM card is inserted correctly and firmly in the SIM card slot ... it was working with the same card few days ago
2. i tried Restarting the Router with the SIM card still inserted in it many many times ... Not Worked.
3. i Performed a factory reset several times ... also not worked .
Hi
We are sorry that it seems that the product is broken.
It is recommended that you contact your retailer to check warranty.
Warm regards.
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