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Issue: Router status page shows the Cell is UP, but cannot go data.

Main Cause and Solution:

Item Cause Solution
1 cellular network issue (ISP Server issue)

try to replace another sim card to try.

Contact with the ISP/Carrier.

2 sim card has no balance try new sim card with balance.
3 Fake cell connection

Sometimes, there may cause fake cell connection. Fake connection means the connection is on, but cannot go data.

HIGHLY recommend to activate the "ICMP feature" with H820.  ICMP feature will check line is through or not. If not through, it will automatically redial. Check manual for ICMP feature settings.