Kindly use the below details to correct the message center number of your line.
On your phone, kindly visit your message settings, select SMS or Text Messages, then choose...
The application to check the details on your line is currently not responding on my system.
We might not be able to check the details on your line at the moment.
Kindly...
I bought a Mifi device from your shop at Ikeja City mall
S/N 320513884549
IMEI: 867462052329632
and MTN line 08104170681
and I was told I will get twice the data I purchase...
I found a useful access point setting on YouTube that helped me out .
Then make sure you go to app settings and give Xiaomi SIM service all permissions
