It has came to my notice this morning clearly that my AIRTEL sim no longer works with both GB what's app and the normal one since 2 months ago.. Well, I thought it was the network problem then so I switched to my MTN line and continued browsing as I have data on both sims...
But this morning when data finished on my MTN line, I decided to switch back to AIRTEL which I have over 3.5gb of data on it.. I switched on my data to continue chatting but it didn't connect, I thought my data was finished but No, tried other browsing apps they all connected and worked fine.
What is wrong with AIRTEL network or can I say the problem is from AIRTEL network?

Has anyone ever or been having same sudden network disconnecting with what's app on AIRTEL network recently??