D-Link DWM-222 User Manual page 9

The message cannot expand 2,048 characters at most.

2. Inbox
The following prompt box will be displayed when

received a new message;
Reply

click Send or Save to Draft;
Forward

Delete
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Note:
The new message will be saved in PC when LTE Connect

running only, else in (U)SIM instead;
You can use "Shift" or "Ctrl" to selected several

messages;
3. Outbox
The message in the Outbox can be deleted or forwarded.
: Access the edit interface, write the content,
: Forward the selected message;
: Delete the selected message.