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What wrong with my 4G Modem???? Reward $1
Created by ab1936, 184 days ago, 409 views

""Error 633: Modem already in use or not configured properly""
What is that???
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a454545184 days ago


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Aravi184 days ago

Hi @ab1936

Kindly find the below article


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nihal29183 days ago

Hello @ab1936
Try reinstalling the drivers.

Try Reserve the TCP port

Press the Windows key +R > type regedit andclick OK.

Locate and then click the following registry subkey:

Go to the Edit menu. Select New and then click Multi-String Value.

Name the new multi-string value “ReservedPorts”. Then, double-click it.

In the Value data box, type 1723-1723. Click OK.

If nothing works reset your PC (reinstalling Windows).

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hongphuonghcm183 days ago

Kindly find the below article

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