My phone imei number is empty and can anybody tell me how to restore my IMEI number ?

[paruthielam2]

My Phone's baseband is showing unknown and IMEI number also empty.
Can anybody tell me how to restore it back ?

[fussion_ASUS]

Hi, kindly help us with the following information to find a solution to your query.
 1. Name of the Asus device you are using.
 2. Firmware version your device is on.

[paruthielam2]

Zenfone Maxpro M1
For firmware version i am attaching the image of it

[fussion_ASUS]

As we can see your device is not updated to the latest version. If you have not received an auto-update message yet, we request you to check for it manually by going to setting->system->system update.