TP-Link M5350 - 4.4.4.2 Restore Factory Defaults; Factory Default Values

M5350
3G Mobile Wi-Fi User Guide
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Figure 4-29 Modify Login Password
 Old Password: The old password that is used to log in of the device.
 New Password: The new password you want to set for the login of the device.
 Confirm New Password: Enter the new password again for confirmation.
Click Save when you finish the setting.
Click Clear to clear all the values you have already set, and then you can reset it.

Note:
The new password must not exceed 14 characters in length and not include any spaces.
4.4.4.4. Reboot
Figure 4-30 Reboot the Device