I don't think that's possible.
If you are using Pocket wifi try this step on how to change your WPA pre-shared key or Password.
1. Plug-in your Pocket wifi through wifi or cable (make sure your gadget detected your pocket wifi)
2. Open a browser like Chrome, Firefox then type in URL box : 192.168.1.1 or 192.168.0.1
3. Log-in your Username and Password, if you havent setup yours, Try Admin for Username & Admin for Password.
4. Settings > Quick setup